Electricity Industry Participation Code 2010

Electricity Industry Participation Code 2010

Part 1—Preliminary provisions

1.1

Interpretation

  • (1) In this Code, unless the context otherwise requires,—

active energy means the integration over time of the product of voltage, current and the cosine of the phase angle between them, and which is normally measured in kilowatt hours (kWh)

active meter means a meter used for the measurement of active energy

active power means the product of voltage, current and the cosine of the phase angle between them, and which is normally measured in kilowatts (kW)

additional customer compensation scheme means a scheme operated by a retailer under clause 9.26, in addition to the retailer’s default customer compensation scheme

Clause 1.1(1) additional customer compensation scheme: inserted, on 1 April 2011, by clause 4(1) of the Electricity Industry Participation (Customer Compensation Schemes) Code Amendment 2011.

adjustment means, for the purposes of the definitions of error compensation, loss compensation, and Part 10, an operation or process intended to reduce the differences between the values indicated by an instrument and the values realised by a reference standard or working standard to within a predetermined tolerance, and adjust and adjusted have corresponding meanings

Clause 1.1(1) adjustment: amended, on 29 August 2013, by clause 4(1) of the Electricity Industry Participation (Metering Arrangements) Code Amendment 2013.

adjustment clause means a clause in a risk management contract under which the price or prices of a specified volume of electricity may be adjusted, including an adjustment relating to the Consumer Price Index, the Producers Price Index or any other index

Clause 1.1(1) adjustment clause: amended, on 30 October 2024, by clause 4(1) of the Electricity Industry Participation Code Amendment (Hedge Disclosure Obligations) 2024.

administrative cost means, in relation to an ancillary service, the significant costs that are incurred by the system operator in relation to the development of ancillary service provision, that are specifically attributable to an ancillary service, and that have been agreed to by the Authority and the system operator

allocable cost has the meaning set out in clauses 8.55 to 8.58

alternative agreement has the meaning given to it by clauses 8(1) and 8(2) of Schedule 12A.1

Clause 1.1(1) alternative agreement: inserted, on 20 July 2020, by clause 4(3) of the Electricity Industry Participation Code Amendment (Default Distributor Agreement) 2020.

alternative ancillary service arrangement means an arrangement between a participant and another participant or other person, or an arrangement involving only a participant, which is authorised by the system operator in accordance with clause 8.48

ancillary service means black start, over frequency reserve, frequency keeping, instantaneous reserve or voltage support

ancillary service agent means a person who provides an ancillary service

ancillary service arrangement means a contract between the system operator and an ancillary service agent for the procurement of ancillary services in accordance with clause 8.45

annual consumption list [Revoked]

Clause 1.1(1) annual consumption list: amended, on 5 October 2017, by clause 4(2) of the Electricity Industry Participation Code Amendment (Code Review Programme) 2017.

Clause 1.1(1) annual consumption list: revoked, on 1 November 2022, by clause 4(2) of the Electricity Industry Participation Code Amendment (Real Time Pricing) 2022.

applications layer means a part of a metering installation used for a function that is not performed by the metrology layer

Clause 1.1(1) applications layer: inserted, on 29 August 2013, by clause 4(1) of the Electricity Industry Participation (Metering Arrangements) Code Amendment 2011.

approved calibration laboratory means the Measurement Standards Laboratory of New Zealand, or a calibration laboratory that has been accredited under the Testing Laboratory Registration Act 1972 to ISO 17025, or an international laboratory that has been recognised by the Chief Metrologist for the specific calibration required

approved forecast means a forecast issued by the approved forecast provider in respect of an intermittent generating station for a trading period, and made available to an intermittent generator, in a format and manner as prescribed by the Authority from time to time

Clause 1.1(1) approved forecast: inserted, on 31 July 2025, by clause 4(1) of the Electricity Industry Participation Code Amendment (Offer and Forecasting Provisions for Intermittent Generators) 2025.

approved forecast provider means the provider of forecast services as prescribed from time to time by the Authority

Clause 1.1(1) approved forecast provider: inserted, on 31 July 2025, by clause 4(1) of the Electricity Industry Participation Code Amendment (Offer and Forecasting Provisions for Intermittent Generators) 2025.

approved investment means—

  • (a) an investment approved by the Electricity Commission under section III of part F of the rules before this Code came into force; or
  • (b) an investment approved by the Commerce Commission under section 54R of the Commerce Act 1986; or
  • (c) an investment that is permitted under an input methodology determined by the Commerce Commission under section 54S of the Commerce Act 1986

approved system means the system or systems required to convey information between persons in accordance with this Code, as may be approved from time to time by the Authority

Clause 1.1(1) approved system: inserted, on 5 October 2017, by clause 4(61) of the Electricity Industry Participation Code Amendment (Code Review Programme) 2017.

approved test house means a facility that has been approved by the Authority in accordance with Part 10 to do one or more of the following:

  • (a) calibrate metering installations or metering components
  • (b) certify metering installations or metering components

Clause 1.1(1) approved test house: amended, on 29 August 2013, by clause 4(2)(a) of the Electricity Industry Participation (Metering Arrangements) Code Amendment 2011.

Clause 1.1(1) approved test house: amended, on 19 December 2014, by clause 4(1) of the Electricity Industry Participation Code Amendment (Minor Code Amendments) (No 3) 2014.

Clause 1.1(1) approved test house: substituted, on 1 February 2016, by clause 4(1)(a) of the Electricity Industry Participation Code Amendment (Code Review Programme) 2015.

approved test laboratory means a test laboratory that has been accredited under the Standards and Accreditation Act 2015 to ISO 17025 for the specific test required

Clause 1.1(1) approved test laboratory: amended, on 5 October 2017, by clause 4(3) of the Electricity Industry Participation Code Amendment (Code Review Programme) 2017.

asset means equipment or plant that is connected to or forms part of the grid and, in the case of Part 8, includes equipment or plant that is intended to become connected to the grid and equipment or plant of an embedded generator

Clause 1.1(1) asset: amended, on 23 February 2015, by clause 75 of the Electricity Industry Participation Code Amendment (Distributed Generation) 2014.

Clause 1.1(1) asset: amended, on 5 October 2017, by clause 4(4) of the Electricity Industry Participation Code Amendment (Code Review Programme) 2017.

asset capability statement means a statement of capability and operational limitations that applies to specific assets during the normal and abnormal conditions that may arise on the grid, provided to the system operator in accordance with clause 2(5) of Technical Code A of Schedule 8.3

asset owner means a participant who owns an asset used for the generation or conveyance of electricity and a person who operates such asset and, in the case of Part 8, includes a consumer with a point of connection to the grid

asset owner performance obligations and AOPO means a performance obligation specified in subpart 2 of Part 8 that an asset owner must comply with so that the system operator can plan to comply and comply with its principal performance obligations

associated equipment, for the purposes of the definition of distribution network and Part 6, means any equipment that is used, or designed or intended for use, in relation to any works or consumer installation, if such use is for construction, maintenance, or safety purposes and not for purposes that relate directly to the generation, conversion, transformation, conveyance, or use of electricity

Clause 1.1(1) associated equipment: amended, on 23 February 2015, by clause 4(1) of the Electricity Industry Participation Code Amendment (Distributed Generation) 2014.

Clause 1.1(1) associated equipment: amended, on 5 October 2017, by clause 4(5) of the Electricity Industry Participation Code Amendment (Code Review Programme) 2017.

assumed co-efficient of variation [Revoked]

Clause 1.1(1) assumed co-efficient of variation: revoked, on 5 October 2017, by clause 4(60) of the Electricity Industry Participation Code Amendment (Code Review Programme) 2017.

ASX [Revoked]

Clause 1.1(1) ASX: inserted, on 3 February 2020, by clause 4 of the Electricity Industry Participation Code Amendment (Hedge Market Arrangements) 2020.

Clause 1.1(1) ASX: revoked, on 3 November 2020 in accordance with section 40(2)(b) of the Electricity Industry Act 2010.

ASX NZ electricity future [Revoked]

Clause 1.1(1) ASX NZ electricity future: inserted, on 3 February 2020, by clause 4 of the Electricity Industry Participation Code Amendment (Hedge Market Arrangements) 2020.

Clause 1.1(1) ASX NZ electricity future: revoked, on 3 November 2020 in accordance with section 40(2)(b) of the Electricity Industry Act 2010.

at risk HVDC transfer means the quantity of MWh for each trading period calculated in accordance with Tables 1 and 2, where—

INJHVDCHAYt is the electricity injected from the HVDC link into the North Island grid assets at the North Island HVDC injection point in trading period t; and

INJHVDCBENt is the electricity injected from the HVDC link into the South Island grid assets at the South Island HVDC injection point in trading period t

Table 1: HVDC northward transfer – if electricity is injected at the North Island HVDC injection point in the relevant trading period

HVDC configuration at the beginning of trading period t At risk HVDC transfer north in trading period t (expressed in MWh)
Pole 2 only INJHVDCHAYt
Pole 3 only INJHVDCHAYt
Pole 3 and Pole 2 bipole round power INJHVDCHAYt
Pole 3 and Pole 2 bipole not round power max(0, INJHVDCHAYt – 325)

Table 2: HVDC southward transfer – if electricity is injected at the South Island HVDC injection point in the relevant trading period

HVDC configuration at the beginning of trading period t At risk HVDC transfer south in trading period t (expressed in MWh)
Pole 2 only INJHVDCBENt
Pole 3 only INJHVDCBENt
Pole 3 and Pole 2 bipole round power INJHVDCBENt
Pole 3 and Pole 2 bipole not round power max(0, INJHVDCBENt – 308)

Clause 1.1(1) at risk HVDC transfer: substituted, on 1 July 2012, by clause 4(1) of the Electricity Industry Participation (HVDC Pole 3 Minor Amendments) Code Amendment 2012.

Clause 1.1(1) at risk HVDC transfer: amended, on 1 March 2024, by clause 4(1)(a) and (b) of the Electricity Industry Participation Code Amendment (Code Review Programme) 2024.

Clause 1.1(1) Table 1 HVDC northward transfer: amended, on 1 March 2024, by clause 4(1)(c) and (d) of the Electricity Industry Participation Code Amendment (Code Review Programme) 2024.

Clause 1.1(1) Table 1 HVDC southward transfer: amended, on 1 March 2024, by clause 4(1)(e) of the Electricity Industry Participation Code Amendment (Code Review Programme) 2024.

ATH means a person who is approved under Schedule 10.3 to operate an approved test house

Clause 1.1(1) ATH: inserted, on 29 August 2013, by clause 4(1) of the Electricity Industry Participation (Metering Arrangements) Code Amendment 2011.

auction means a must-run dispatch auction conducted by the clearing manager under subpart 3 of Part 13

auction bid means a bid made for an auction under clauses 13.117 to 13.130

auction revenue means, for a generator, the amount owing by the generator in accordance with clause 13.112(2) and, for a purchaser, the amount owing to the purchaser in accordance with clause 13.111

Clause 1.1(1) auction revenue: amended, on 24 March 2015, by clause 4(1)(a) of the Electricity Industry Participation (Settlement and Prudential Security) Code Amendment 2013.

auction right means the right (but not the obligation) to offer for sale a specified quantity of electricity to the clearing manager at 0 price in accordance with clause 13.116(1)

audit means a process of inspection of the facilities, processes, procedures, and other relevant items, to confirm compliance with this Code, and audited has a corresponding meaning

auditor means,—

  • (a) for the purposes of Parts 10, 11, 15 and 16A—
    • (i) a person approved or appointed by the Authority to carry out an audit; or
    • (ii) the Authority, if the Authority carries out an audit itself; and
  • (b) for all other Parts of this Code, a person carrying out an audit

Clause 1.1(1) auditor: replaced, on 1 June 2017, by clause 4(1) of the Electricity Industry Participation Code Amendment (Requirements and Processes for Audits) 2016.

Clause 1.1(1) auditor: amended, on 20 December 2021, by clause 4 of the Electricity Industry Participation Code Amendment (Code Review Programme) 2019.

AUFLS technical requirements report means the AUFLS technical requirements report that is incorporated by reference in this Code under clause 2 of Schedule 8.6

Clause 1.1(1) AUFLS technical requirements report: inserted, on 21 December 2021, by clause 4(1) of the Electricity Industry Participation Code Amendment (Automatic Under-Frequency Load Shedding Systems) 2021.

Authority has the meaning given to it by section 5 of the Act

automatic control plant means any hydro generating plant that has a pre-programmed generation profile and an automatic override if uncontrollable water inflows change

automatic under-frequency load shedding means automatic shedding of electrical load when frequency falls below the relevant pre-set frequency, or falls at a rate, specified by the system operator in the AUFLS technical requirements report or in clause 7(6) and 7(6A) of Technical Code B of Schedule 8.3

Clause 1.1(1) automatic under-frequency load shedding: amended, on 7 August 2014, by clause 4(1) of the Electricity Industry Participation Code Amendment (Extended Reserve) 2014.

Clause 1.1(1) automatic under-frequency load shedding: replaced, on 21 December 2021, by clause 4(2) of the Electricity Industry Participation Code Amendment (Automatic Under-Frequency Load Shedding Systems) 2021.

availability cost means a cost (other than an administrative cost), incurred by the system operator in purchasing instantaneous reserve and providing that instantaneous reserve for a trading period, and includes—

  • (a) payments made by the system operator for that trading period under contracts that secure the availability of instantaneous reserves; and
  • (b) the annual and variable costs (including any constrained-on costs) incurred by the system operator under any other contracts allocated by the system operator to that trading period; less
  • (c) the costs of instantaneous reserves procured as a direct result of a generator being granted a dispensation under clause 8.31(1); and
  • (d) instantaneous reserve constrained on compensation calculated in accordance with clause 13.212(6)

back office means a part of an interrogation system—

  • (a) that sends or receives information to or from a metering installation; and
  • (b) stores the information in a form that can be made available at the services access interface to another person

Clause 1.1(1) back office: inserted, on 29 August 2013, by clause 4(1) of the Electricity Industry Participation (Metering Arrangements) Code Amendment 2011.

back-up metering information [Revoked]

Clause 1.1(1) back-up metering information: revoked, on 1 November 2022, by clause 4(2) of the Electricity Industry Participation Code Amendment (Real Time Pricing) 2022.

back up protection system means a protection system—

  • (a) that electrically disconnects faulted assets from the grid because a main protection system or a circuit breaker has failed to electrically disconnect a faulted asset from the grid in the allocated time; and
  • (b) that may electrically disconnect non-faulted assets as well as a faulted asset

Clause 1.1(1) back up protection system: amended, on 5 October 2017, by clause 4(6)(a) and (b) of the Electricity Industry Participation Code Amendment (Code Review Programme) 2017.

balancing area means, in relation to any particular ICP,—

  • (a) the embedded network; or
  • (b) that part of the relevant local network owned by 1 network owner— having 1 or more NSPs, to which that ICP is electrically connected from time to time under normal circumstances

Clause 1.1(1) balancing area: amended, on 23 February 2015, by clause 75 of the Electricity Industry Participation Code Amendment (Distributed Generation) 2014.

Clause 1.1(1) balancing area: amended, on 5 October 2017, by clause 4(7) of the Electricity Industry Participation Code Amendment (Code Review Programme) 2017.

bank means a registered bank within the meaning of the Reserve Bank of New Zealand Act 1989 that is carrying on in New Zealand the business of banking

bank bill bid rate means the rate per annum (rounded upwards to 2 decimal places) displayed at or about 10.45am on the Reuters Screen on page BKBM (or its successor or equivalent page) on the relevant date as the bank bill “settlement” bid rate for bank bills having a tenor of 1 month, provided that if such a rate is not available, bank bill bid rate means the rate determined by the clearing manager to be the nearest practicable equivalent

base case means a base case published by the Authority under clause 13.236D

Clause 1.1(1) base case: inserted, on 1 December 2011, by clause 4 of the Electricity Industry Participation Code (Spot Price Risk Disclosure) Amendment 2011.

Clause 1.1(1) base case: amended, on 5 October 2017, by clause 4(8) of the Electricity Industry Participation Code Amendment (Code Review Programme) 2017.

benchmark agreement [Revoked]

Clause 1.1(1) benchmark agreement: amended, on 23 February 2015, by clause 75 of the Electricity Industry Participation Code Amendment (Distributed Generation) 2014.

Clause 1.1(1) benchmark agreement: amended, on 5 October 2017, by clause 4(9) of the Electricity Industry Participation Code Amendment (Code Review Programme) 2017.

Clause 1.1(1) benchmark agreement: revoked, on 1 October 2023, by clause 4(2) of the Electricity Industry Participation Code Amendment (Default Transmission Agreement) 2023.

benefit to the public means public benefit net of any costs and detriments, including those detriments associated with a lessening of competition as those concepts are applied under the Commerce Act 1986

bid,

  • (a) means—
    • (i) a nominated bid:
    • (ii) a difference bid; and
  • (b) includes a bid revised in accordance with clause 13.19A or 13.19B
  • (c) [Revoked]

Clause 1.1(1) bid: substituted, on 28 June 2012, by clause 4(b) of the Electricity Industry Participation (Demand-side Bidding and Forecasting) Code Amendment 2011.

Clause 1.1(1) bid paragraph (b): amended, on 29 June 2017, by clause 4(1)(a) of the Electricity Industry Participation Code Amendment (Shortened Gate Closure and Revised Bid and Offer Provisions) 2017.

Clause 1.1(1) bid paragraph (c): revoked, on 29 June 2017, by clause 4(1)(b) of the Electricity Industry Participation Code Amendment (Shortened Gate Closure and Revised Bid and Offer Provisions) 2017.

bid-ask spread means—

  • (a) if expressed as a dollar value, the dollar value that represents the difference in price between a quote to buy a NZ electricity future and a quote to sell a NZ electricity future of the same type on the same exchange; or
  • (b) if expressed as a percentage, the percentage calculated by dividing the difference between the price of a quote to buy a NZ electricity future and the price of a quote to sell a NZ electricity future of the same type on the same exchange by the price of the quote to sell a NZ electricity future.

Clause 1.1(1) bid-ask spread: inserted, on 3 February 2020, by clause 4 of the Electricity Industry Participation Code Amendment (Hedge Market Arrangements) 2020.

Clause 1.1(1) bid-ask spread: revoked, on 3 November 2020 in accordance with section 40(2)(b) of the Electricity Industry Act 2010.

Clause 1.1(1) bid-ask spread: inserted, on 27 April 2021, by clause 4(2) of the Electricity Industry Participation Code Amendment (Hedge Market Arrangements) 2021.

binary load, in relation to a nominated dispatch bid, means a quantity of electricity that corresponds to the MW specified in one or more entire price bands of the relevant nominated dispatch bid

Clause 1.1(1) binary load: inserted, on 1 November 2022, by clause 4(1) of the Electricity Industry Participation Code Amendment (Real Time Pricing) 2022.

binding constraint means a constraint that is likely to cause a significant difference between the price at 1 node and the price at another node

billing period means a period of 1 calendar month

black start means an ancillary service required to enable a generating unit isolated from the grid to be—

  • (a) made live, as defined in the Electricity (Safety) Regulations 2010; and
  • (b) electrically connected to the grid

Clause 1.1(1) black start: amended, on 23 February 2015, by clause 75 of the Electricity Industry Participation Code Amendment (Distributed Generation) 2014.

Clause 1.1(1) black start: replaced, on 5 October 2017, by clause 4(1)(a) of the Electricity Industry Participation Code Amendment (Code Review Programme) 2017.

block dispatch group means a group of generating stations on 1 continuous water course, which is the subject of an agreement between the system operator and a generator under clause 13.60

block security constraint means any of the following:

  • (a) a security constraint as determined in accordance with the policy statement and applied by the system operator to a generating unit or generating station to provide voltage support or frequency keeping:
  • (b) a limitation in grid capacity that:
    • (i) is a limitation in the capacity of the grid to convey electricity between either:
      • (A) generating stations constituting a block dispatch group; or
      • (B) generating stations constituting a block dispatch group and the grid; and
    • (ii) arises because of either—
      • (A) a limitation in the offered capacity of the grid; or
      • (B) a security constraint as determined by the system operator in accordance with the policy statement.

Clause 1.1(1) block security constraint: replaced, on 31 December 2021, by clause 4(2) of the Electricity Industry Participation Code Amendment (Code Review Programme) 2019.

bona fide physical reason includes,—

  • (a) in relation to a generator, or a purchaser, or an ancillary service agent or a grid owner, a situation where personnel or plant safety is at risk; and
  • (b) in relation to a generator or an ancillary service agent providing generation reserve or frequency keeping,—
    • (i) a reasonably unforeseeable change in generating capability, reserve capability, or frequency keeping capability (as the case may be) from an item of generating plant that is the subject of an existing offer, reserve offer, or offer to provide frequency keeping by that generator or ancillary service agent; or
    • (ii) a reasonably unforeseeable change in the level of expected uncontrollable water inflows into the head pond of a hydro station that is the subject of an existing offer, reserve offer, or offer to provide frequency keeping by that generator or ancillary service agent; or
    • (iii) a reasonably unforeseeable change in circumstances such that the generator or ancillary service agent will breach any consent held by it under the Resource Management Act 1991; or
    • (iv) a reasonably unforeseeable physical infeasibility that arises from a price-responsive schedule, a non-response schedule, or a dispatch schedule; and
  • (ba) in relation to an intermittent generator, a situation in which—
    • (i) variable resource conditions prevent the intermittent generator from generating at the level expected; or
    • (ii) the intermittent generator reduces the output of an intermittent generating station
      • (A) to prevent an un-modelled transmission asset from exceeding its ratings; or
      • (B) in order to comply with an automated signal to maintain frequency; or
      • (C) in light of reasonably unforeseeable circumstances that require the output of the intermittent generating station to be reduced to enable the intermittent generator to comply with the conditions of a resource consent or other law; or
      • (D) in anticipation of the expected onset of a weather event that would be likely to cause the intermittent generating station's asset protection systems to shut down assets forming part of the intermittent generating station; and
  • (c) in relation to a purchaser, or an ancillary service agent providing interruptible load,—
    • (i) a reasonably unforeseeable full or partial loss of demand or reserve capability (as the case may be) at a grid exit point that is the subject of an existing bid or reserve offer by the purchaser or the ancillary service agent; or
    • (ii) a reasonably unforeseeable change in circumstances such that the purchaser or ancillary service agent will breach any consent held by it under the Resource Management Act 1991; or
    • (iii) a reasonably unforeseeable full or partial loss of generating capability from an item of generating plant owned by, or the subject of a supply contract with, that purchaser during the relevant trading periods; and
  • (d) in relation to a grid owner, a reasonably unforeseeable loss of full or partial capacity on transmission plant forming part of the grid

Clause 1.1(1) bona fide physical reason paragraph (b): amended, on 3 May 2022, by clause 4(2) of the Electricity Industry Participation Code Amendment (Enabling Energy Storage Systems to Offer Instantaneous Reserve) 2022.

Clause 1.1(1) bona fide physical reason paragraph (b)(iv): substituted, on 28 June 2012, by clause 4(c)(i) of the Electricity Industry Participation (Demand-side Bidding and Forecasting) Code Amendment 2011.

Clause 1.1(1) bona fide physical reason paragraph (c) and (c)(i): amended, on 28 June 2012, by clause 4(c)(ii) and (iii) of the Electricity Industry Participation (Demand-side Bidding and Forecasting) Code Amendment 2011.

Clause 1.1(1) bona fide physical reason paragraph (ba): inserted, at 12.00 pm on 19 September 2019, by clause 4(1) of the Electricity Industry Participation Code Amendment (Wind Offer Arrangements) 2019.

Clause 1.1(1) bona fide physical reason paragraph (ba)(i): amended, on 20 March 2020, by clause 4(1) of the Electricity Industry Participation Code Amendment (Broadening Definitions of Generating Unit and Intermittent Generating Station) 2020.

bound [Revoked]

Clause 1.1(1) bound: amended, on 1 February 2016, by clause 4(3) of the Electricity Industry Participation Code Amendment (Code Review Programme) 2015.

Clause 1.1(1) bound: revoked, on 1 November 2022, by clause 4(2) of the Electricity Industry Participation Code Amendment (Real Time Pricing) 2022.

branch means an electrical link between—

(a) 2 or more nodes; or

(b) a node and a point of connection to the grid

business means, except in Part 6A, the business carried out as a participant

Clause 1.1(1) business: amended, on 1 March 2024, by clause 4(2) of the Electricity Industry Participation Code Amendment (Code Review Programme) 2024.

business day means,—

  • (a) for the purposes of Part 6, any day of the week other than Saturday, Sunday, or a public holiday within the meaning of the Holidays Act 2003; and
  • (b) for the rest of the Code, any day of the week except Saturdays, Sundays, national holidays, the day observed as Wellington Anniversary Day, and any other day from time to time declared by the Authority not to be a business day by notice to each registered participant

Clause 1.1(1) business day: amended, on 21 September 2012, by clause 4(1) of the Electricity Industry Participation (Minor Amendments) Code Amendment 2012.

Clause 1.1(1) business day: amended, on 5 October 2017, by clause 4(10) of the Electricity Industry Participation Code Amendment (Code Review Programme) 2017.

Clause 1.1(1) business day: amended, on 1 March 2024, by clause 4(3) of the Electricity Industry Participation Code Amendment (Code Review Programme) 2024.

buyer, for the purposes of subpart 5 and subpart 7 of Part 13, means—

  • (a) in respect of a contract for differences, the fixed-price payer, being the party obliged to make payments at a fixed price from time to time during the term of the contract; or
  • (b) in respect of a fixed-price physical supply contract, the purchaser of electricity; or
  • (c) in respect of an options contract, either—
    • (i) the party paying the premium; or
    • (ii) if there is no premium, the party who agrees to be the buyer for the purposes of subpart 5 or subpart 7 (as applicable) of Part 13; or
    • (iii) if neither party agrees to be the buyer, the party whose name is the first alphabetically; or
  • (ca) for the purposes of subpart 5 of Part 13, in respect of a contract prescribed by the Authority under clause 13.219B as a risk management contract, either—
    • (i) the party specified as the buyer in the contract; or
    • (ii) if neither party is specified as the buyer, the party whose name is the first alphabetically; or
  • (d) for the purposes of subpart 7 of Part 13, in respect of any other contract, the party consuming the electricity that the contract relates to

Clause 1.1(1) buyer: amended, on 19 August 2022, by clause 4(2) of the Electricity Industry Participation Code Amendment (Restrictions on Materially Large Contracts) 2022.

Clause 1.1(1) buyer: revoked, on 18 May 2023, by clause 2(2) of the Electricity Industry Participation Code Amendment (Restrictions on Materially Large Contracts) 2023.

Clause 1.1(1) buyer: inserted, on 19 May 2023, by clause 4(2) of the Electricity Industry Participation Code Amendment (Restrictions on Materially Large Contracts) 2023.

Clause 1.1(1) buyer: clause (c)(iii) amended, on 30 October 2024, by clause 4(2)(a) of the Electricity Industry Participation Code Amendment (Hedge Disclosure Obligations) 2024.

Clause 1.1(1) buyer: clause (ca) inserted, on 30 October 2024, by clause 4(2)(b) of the Electricity Industry Participation Code Amendment (Hedge Disclosure Obligations) 2024.

calibration means the set of operations that establishes, under specified conditions, the relationship between the values indicated by the measuring system and the corresponding values of a quantity realised by a reference standard or working standard, and calibrate and calibrated have corresponding meanings

calibration report means a report that contains the results of all calibration tests carried out on—

  • (a) a metering installation; or
  • (b) a metering component in a metering installation; or
  • (c) a working standard

Clause 1.1(1) calibration report: substituted, on 29 August 2013, by clause 4(2)(b) of the Electricity Industry Participation (Metering Arrangements) Code Amendment 2011.

call [Revoked]

Clause 1.1(1) call: revoked, on 24 March 2015, by clause 4(1)(b) of the Electricity Industry Participation (Settlement and Prudential Security) Code Amendment 2013.

capacity [Revoked]

Clause 1.1(1) capacity: revoked, on 23 February 2015, by clause 4(11) of the Electricity Industry Participation Code Amendment (Distributed Generation) 2014.

capacity reserve means—

  • (a) demand that can be decreased for the purpose of adjusting a constraint; or
  • (b) generation that can be increased or decreased for the purpose of adjusting a constraint

cash deposit means the cash deposited in cleared funds by a participant in accordance with clause 2 of Schedule 14A.1, and includes any interest under clause 14A.14 that has not been paid out

Clause 1.1(1) cash deposit: amended, on 24 March 2015, by clause 4(1)(c) of the Electricity Industry Participation (Settlement and Prudential Security) Code Amendment 2013.

cash deposit accounts means the trust accounts established by the clearing manager in accordance with clause 14A.11

Clause 1.1(1) cash deposit accounts: amended, on 24 March 2015, by clause 4(1)(d) of the Electricity Industry Participation (Settlement and Prudential Security) Code Amendment 2013.

cash interest rate [Revoked]

Clause 1.1(1) cash interest rate: revoked, on 24 March 2015, by clause 4(1)(e) of the Electricity Industry Participation (Settlement and Prudential Security) Code Amendment 2013.

category 1 metering installation means a metering installation that has the required defining characteristics for a metering installation of that category in Table 1 of Schedule 10.1

Clause 1.1(1) category 1 metering installation: inserted, on 1 December 2011, by clause 4(a) of the Electricity Industry Participation Code (Distributor Use-of-System Agreements and Distributor Tariffs) Amendment 2011.

Clause 1.1(1) category 1 metering installation: substituted, on 29 August 2013, by clause 4(2)(c) of the Electricity Industry Participation (Metering Arrangements) Code Amendment 2011.

category 2 metering installation means a metering installation that has the required defining characteristics for a metering installation of that category in Table 1 of Schedule 10.1

Clause 1.1(1) category 2 metering installation: inserted, on 1 December 2011, by clause 4(a) of the Electricity Industry Participation Code (Distributor Use-of-System Agreements and Distributor Tariffs) Amendment 2011.

Clause 1.1(1) category 2 metering installation: substituted, on 29 August 2013, by clause 4(2)(d) of the Electricity Industry Participation (Metering Arrangements) Code Amendment 2011.

causer, in relation to an under-frequency event, means—

  • (a) if the under-frequency event is caused by an interruption to or reduction of electricity supply, or an increase in electricity demand, from a single participant’s asset or assets, the participant, unless another participant’s act or omission or property causes the interruption to or reduction of electricity supply or the increase in electricity demand, in which case the other participant is the causer; or
  • (b) if the under-frequency event is caused by more than 1 interruption to or reduction of electricity supply or increase in electricity demand, the participant who, in accordance with paragraph (a), would be the causer of the under-frequency event if it had been caused by the first in time of the interruption to or reduction of electricity supply or increase in electricity demand; but
  • (c) if an interruption to or reduction of electricity supply, or an increase in electricity demand, occurs in order to comply with this Code, the interruption to or reduction of electricity supply or the increase in electricity demand must be disregarded for the purposes of determining the causer of the under-frequency event.

Clause 1.1(1) causer: replaced on 1 May 2025, by clause 4(1) of the Electricity Industry Participation Code Amendment (Common Quality Related Amendments) 2025.

centralised data set [Revoked]

Clause 1.1(1) centralised data set: revoked, on 1 February 2016, by clause 4(2) of the Electricity Industry Participation Code Amendment (Code Review Programme) 2015.

certification means—

  • (a) if applied to a metering installation, confirmation that the metering installation meets the requirements of this Code; and
  • (b) if applied to a metering component, confirmation that the metering component meets the requirements of this Code; and
  • (c) if applied to a reconciliation participant, confirmation that that reconciliation participant has met the requirements of Schedule 15.1

Clause 1.1(1) certification: amended, on 29 August 2013, by clause 4(2)(e) of the Electricity Industry Participation (Metering Arrangements) Code Amendment 2011.

certification report means a report that contains—

  • (a) the calibration report or calibration reports:
  • (b) all other information relevant to the certification of a metering installation or a metering component required under Part 10

Clause 1.1(1) certification report: substituted, on 29 August 2013, by clause 4(2)(f) of the Electricity Industry Participation (Metering Arrangements) Code Amendment 2011.

certification sticker means a sticker that is valid for a specific period and that is attached—

  • (a) to a metering installation, confirming that the metering installation has been certified by an ATH under Schedule 10.7; or
  • (b) to a metering component, confirming that the metering component has been certified by an ATH under Schedule 10.8

Clause 1.1(1) certification sticker: substituted, on 29 August 2013, by clause 4(2)(g) of the Electricity Industry Participation (Metering Arrangements) Code Amendment 2011.

certified means having achieved certification

certify means to carry out a certification

chargeable capacity means the capacity that the distributor may charge for, but that may not be the actual installed capacity at the relevant ICP

check metering information [Revoked]

Clause 1.1(1) check metering information: revoked, on 1 November 2022, by clause 4(2) of the Electricity Industry Participation Code Amendment (Real Time Pricing) 2022.

circuit branch means a branch that is not a transformer branch or the HVDC link

circuit breaker means a switching device capable of making, carrying and breaking currents under normal circuit conditions, and capable of making, carrying for a specified time and breaking currents under specified abnormal conditions (such as a short circuit)

circuit breaker failure protection system means a protection system that—

  • (a) operates because a circuit breaker has failed to electrically disconnect a faulted asset from the grid in the allocated time; and
  • (b) may electrically disconnect non-faulted assets from the grid as well as a faulted asset

Clause 1.1(1) circuit breaker failure protection system: amended, on 5 October 2017, by clause 4(11) of the Electricity Industry Participation Code Amendment (Code Review Programme) 2017.

class A approved test house [Revoked]

Clause 1.1(1) class A approved test house: revoked, on 29 August 2013, by clause 4(3) of the Electricity Industry Participation (Metering Arrangements) Code Amendment 2011.

class A ATH means an ATH who is approved under clause 3 of Schedule 10.3

Clause 1.1(1) class A ATH: inserted, on 29 August 2013, by clause 4(1) of the Electricity Industry Participation (Metering Arrangements) Code Amendment 2011.

class B approved test house [Revoked]

Clause 1.1(1) class B approved test house: revoked, on 29 August 2013, by clause 4(3) of the Electricity Industry Participation (Metering Arrangements) Code Amendment 2011.

class B ATH means an ATH who is approved under clause 4 of Schedule 10.3

Clause 1.1(1) class B ATH: inserted, on 29 August 2013, by clause 4(1) of the Electricity Industry Participation (Metering Arrangements) Code Amendment 2011.

cleared funds, in relation to a business day, means funds that are immediately available for disbursement on that day

clearing auction price means the lowest successful price bid at an auction in dollars per MW per half hour

clearing manager has the meaning given to it in section 5 of the Act

Code information means all information that is supplied by 1 participant to another participant, or group of participants, under this Code (other than excluded Code information and information that is supplied under Parts 2 to 6 and 9 of this Code)

Clause 1.1(1) Code information: amended, on 16 December 2013, by clause 4(1) of the Electricity Industry Participation (Revocation of Part 16) Code Amendment 2013.

code of practice means a code of practice issued under this Code

Clause 1.1(1) code of practice: amended, on 29 August 2013, by clause 4(2)(h) of the Electricity Industry Participation (Metering Arrangements) Code Amendment 2011.

co-efficient of variation means the ratio of the standard deviation to the mean of the distribution for the random variable under consideration

co-generator [Revoked]

Clause 1.1(1) co-generator: revoked, on 27 May 2015, by clause 4(1) of the Electricity Industry Participation Code Amendment (Industrial Co-generation Dispatch Arrangements) 2015.

collateral term means a term in a default distributor agreement that is not—

  • (a) a core term; or
  • (b) an operational term; or
  • (c) [Revoked]
  • (d) a term required in accordance with clause 3(1)(d) of Schedule 12A.4

Clause 1.1(1) collateral term: inserted, on 20 July 2020, by clause 4(3) of the Electricity Industry Participation Code Amendment (Default Distributor Agreement) 2020.

Clause 1.1(1) collateral term: amended, on 25 November 2024, by clause 4(1) of the Electricity Industry Participation Code Amendment (Distributor Agreement Amendments) 2024.

commissioning means to verify the correct operation of—

  • (a) an asset; or
  • (b) a point of connection; or
  • (c) metering equipment installed in a metering installation,—

and commissioned has a corresponding meaning

Clause 1.1(1) commissioning: amended, on 29 August 2013, by clause 4(2) of the Electricity Industry Participation (Metering Arrangements) Code Amendment 2013.

Clause 1.1(1) commissioning: replaced, on 5 October 2017, by clause 4(1)(b) of the Electricity Industry Participation Code Amendment (Code Review Programme) 2017.

commissioning report [Revoked]

Clause 1.1(1) commissioning report: revoked, on 29 August 2013, by clause 4(3) of the Electricity Industry Participation (Metering Arrangements) Code Amendment 2011.

committed projects means transmission augmentation projects and non-transmission projects that are reasonably likely to proceed in a similar timeframe for which the assessment of costs and benefits under a net benefits test set out in Part 12 is undertaken, and in relation to which either—

  • (a) all of the following are satisfied:
    • (i) the proponent has obtained all required planning consents, construction approvals, and licences, and fulfilled any other regulatory requirement that must be met before commencing construction:
    • (ii) construction has commenced or a firm commencement date for construction has been set:
    • (iii) the proponent has acquired or executed an agreement to acquire land (or commenced legal proceedings to acquire land), or has executed an agreement for the leasing of land, for the purposes of construction:
    • (iv) contracts for supply and construction of the major components of the plant and equipment (including any generating units, turbines, boilers, transmission towers, conductors, termination station equipment) have been executed (i.e. all the necessary formal legal requirements have been observed to make the contract valid and complete):
    • (v) contracts for the financing of the project, including any debt plans, have been executed (i.e. all the necessary formal legal requirements have been observed to make the contract valid and complete); or
  • (b) in the case of transmission augmentation projects, the project is an approved investment

common quality means those elements of quality of electricity conveyed across the grid that cannot be technically or commercially isolated to an identifiable person or group of persons

communication means, for the purposes of Part 10, the electronic transfer of information, or instructions, to or from a metering installation

Clause 1.1(1) communication: inserted, on 29 August 2013, by clause 4(1) of the Electricity Industry Participation (Metering Arrangements) Code Amendment 2011.

communication equipment means a device, used for communication, in—

  • (a) a metering installation; or
  • (b) a back office

Clause 1.1(1) communication equipment: inserted, on 29 August 2013, by clause 4(1) of the Electricity Industry Participation (Metering Arrangements) Code Amendment 2011.

comparative recertification means recertification of a category 2 metering installation under clause 12(3) of Schedule 10.7

Clause 1.1(1) comparative recertification: inserted, on 29 August 2013, by clause 4(1) of the Electricity Industry Participation (Metering Arrangements) Code Amendment 2011.

compensation factor means any of the following factors used to compensate for errors, losses, or ratios within a metering installation that are required to be applied to raw meter data:

  • (a) error compensation:
  • (b) loss compensation:
  • (c) ratio compensation

To avoid doubt, the raw meter data from a metering installation may require more than one compensation factor, if the relevant types of compensation are required.

Clause 1.1(1) compensation factor: inserted, on 29 August 2013, by clause 4(1) of the Electricity Industry Participation (Metering Arrangements) Code Amendment 2011.

Clause 1.1(1) compensation factor: amended, on 1 February 2021, by clause 4(1) of the Electricity Industry Participation Code Amendment (Metering and Related Registry Processes) 2020.

Clause 1.1(1) compensation factor: amended, on 20 December 2021, by clause 4(3) of the Electricity Industry Participation Code Amendment (Code Review Programme) 2019.

complete [Revoked]

Clause 1.1(1) complete: revoked, on 16 December 2013, by clause 4(2)(a) of the Electricity Industry Participation (Revocation of Part 16) Code Amendment 2013.

confidential information, for the purposes of Schedule 6.2, means all data and other information of a confidential nature provided by 1 party (A) to another party (B) under the regulated terms, but excludes—

  • (a) information known to B before the date it was provided by B to A and that was not obtained directly or indirectly from A; and
  • (b) information obtained bona fide from another person who is in lawful possession of the information and who did not acquire the information directly or indirectly from A under an obligation of confidence

conforming GXP means a GXP that—

  • (a) has been determined by the Authority to be a conforming GXP under clause 13.27A or 13.27B(4); or
  • (b) is deemed to be a conforming GXP under clause 13.27F

Clause 1.1(1) conforming GXP: inserted, on 28 March 2012, by clause 4(a) of the Electricity Industry Participation (Demand-side Bidding and Forecasting) Code Amendment 2011.

congestion management policy means the policies, clauses, or conditions referred to in clause 6.3(2)(d)

connect [Revoked]

Clause 1.1(1) connect: amended, on 23 February 2015, by clause 4(2) of the Electricity Industry Participation Code Amendment (Distributed Generation) 2014.

Clause 1.1(1) connect: revoked, on 5 October 2017, by clause 4(60) of the Electricity Industry Participation Code Amendment (Code Review Programme) 2017.

connected asset owner means a direct consumer, or a distributor in its capacity as the owner or operator of a local network

Clause 1.1(1) connected asset owner: inserted, on 1 February 2016, by clause 4(19) of the Electricity Industry Participation Code Amendment (Code Review Programme) 2015.

connection and operation standards, in relation to a distributor or distributed generation,—

  • (a) means requirements, as amended from time to time by the distributor, that—
    • (i) are set out in written policies and standards of the distributor; and
    • (ii) relate to connecting distributed generation to a distribution network or to a consumer installation that is connected to a distribution network, and the operation of the distribution network, including requirements relating to the planning, design, construction, testing, inspection, and operation of distributed generation that is, or is proposed to be, connected; and
    • (iii) are made publicly available in accordance with clause 6.3; and
    • (iv) reflect, or are consistent with, reasonable and prudent operating practice; and
  • (b) includes the following, as amended from time to time by the distributor:
    • (i) the distributor's congestion management policy, as referred to in clause 6.3(2)(d); and
    • (ii) the distributor's emergency response policies; and
    • (iii) the distributor's safety standards; and
  • (c) until 1 September 2026, may include the distributor’s policies for specifying available maximum export power amongst categories of network users, a maximum export power threshold for applications under Part 1A of Schedule 6.1, and the methodology used to determine that threshold

Clause 1.1(1) connection and operation standards: amended, on 23 February 2015, by clause 4(3) of the Electricity Industry Participation Code Amendment (Distributed Generation) 2014.

Clause 1.1(1) connection and operation standards: amended, on 23 February 2015, by clause 75 of the Electricity Industry Participation Code Amendment (Distributed Generation) 2014.

Clause 1.1(1) connection and operation standards, paragraph (a)(ii): replaced, on 5 October 2017, by clause 4(12) of the Electricity Industry Participation Code Amendment (Code Review Programme) 2017.

Clause 1.1(1) connection and operation standards, paragraph (b)(iii): amended, on 1 September 2021, by clause 4(1)(a) of the Electricity Industry Participation Code Amendment (Application for Distributed Generation) 2021.

Clause 1.1(1) connection and operation standards, paragraph (c): inserted, on 1 September 2021, by clause 4(1)(b) of the Electricity Industry Participation Code Amendment (Application for Distributed Generation) 2021. Note: paragraph (c) automatically revokes on the close of 1 September 2026 under clause 8 of the Electricity Industry Participation Code Amendment (Application for Distributed Generation) 2021.

connection asset, for the purposes of subparts 2, 6 and 7 of Part 12, has the meaning set out in the transmission pricing methodology

Connection Code means the Connection Code that is included in the default transmission agreement template as Schedule 8

Clause 1.1(1) Connection Code: amended, on 1 October 2023, by clause 4(3) of the Electricity Industry Participation Code Amendment (Default Transmission Agreement) 2023.

connection location means a substation or other location at which lines, equipment and plant owned or managed by a designated transmission customer that are directly related to a point of connection, and that are used for the consumption, conveyance, or generation of electricity, are directly connected to the grid

Clause 1.1(1) connection location: amended, on 23 February 2015, by clause 75 of the Electricity Industry Participation Code Amendment (Distributed Generation) 2014.

Clause 1.1(1) connection location: amended, on 1 February 2016, by clause 4(4) of the Electricity Industry Participation Code Amendment (Code Review Programme) 2015.

Clause 1.1(1) connection location: amended, on 5 October 2017, by clause 4(13) of the Electricity Industry Participation Code Amendment (Code Review Programme) 2017.

constrained off amounts means the amounts calculated by the clearing manager under clauses 13.194 to 13.196

constrained off compensation means either—

  • (a) constrained off amounts owing to a dispatched purchaser under clause 13.201A; or
  • (b) constrained off amounts owing to the clearing manager under clause 13.201A by purchasers

Clause 1.1(1) constrained off compensation: inserted, on 15 May 2014, by clause 5(1) of the Electricity Industry Participation (Modified Dispatchable Demand) Code Amendment 2013.

Clause 1.1(1) constrained off compensation: amended, on 24 March 2015, by clause 4(1)(g) of the Electricity Industry Participation (Settlement and Prudential Security) Code Amendment 2013.

constrained off situation means a situation as defined in clause 13.192

constrained on amounts means the amounts calculated by the clearing manager under clauses 13.204 and 13.205

constrained on compensation means, as the case may be,—

  • (a) the constrained on amounts owing to—
    • (i) a generator under clause 13.212(1)(a); or
    • (ii) an ancillary service agent under clause 13.212(1)(a); or
    • (iii) a dispatched purchaser under clause 13.212(1)(b); or
  • (b) the constrained on amounts owing by—
    • (i) the system operator under clause 13.212(2); or
    • (ii) a purchaser under clause 13.212(5)

Clause 1.1(1) constrained on compensation: substituted, on 15 May 2014, by clause 5(2) of the Electricity Industry Participation (Modified Dispatchable Demand) Code Amendment 2013.

Clause 1.1(1) constrained on compensation: amended, on 24 March 2015, by clause 4(1)(f) of the Electricity Industry Participation (Settlement and Prudential Security) Code Amendment 2013.

constrained on situation means a situation as defined in clause 13.202

constraint means a limitation in the capacity of the grid to convey electricity caused by limitations in capability of available assets forming the grid or limitations in the performance of the integrated power system

constraint price [Revoked]

Clause 1.1(1) constraint price: amended, on 15 May 2014, by clause 4(1) of the Electricity Industry Participation (Minor Code Amendments) Code Amendment 2014.

Clause 1.1(1) constraint price: revoked, on 1 November 2022, by clause 4(2) of the Electricity Industry Participation Code Amendment (Real Time Pricing) 2022.

construct, for the purposes of the definition of associated equipment and Part 6, includes to erect, to lay, and to place, and construction has a corresponding meaning

Clause 1.1(1) construct: amended, on 21 September 2012, by clause 4(2) of the Electricity Industry Participation (Minor Amendments) Code Amendment 2012.

consumer means a person who is supplied electricity for consumption, and includes a distributor, a retailer or a generator if the distributor, or the retailer or the generator is supplied with electricity for its own consumption

consumer installation, for the purposes of the definition of associated equipment and Part 6, means—

  • (a) all fittings that are part of a system for conveying electricity from a consumer’s point of supply to any point from which electricity conveyed through that system may be consumed; and
  • (b) includes any fittings that are used, or designed or intended for use, by any person in, or in relation to, the generation of electricity
    • (i) for that person’s use and not for supply to any other person; or
    • (ii) so that electricity can be injected into a distribution network; but
  • (c) does not include any appliance that uses, or is designed or intended to use, electricity, whether or not it also uses, or is designed or intended to use, any other form of energy

Clause 1.1(1) consumer installation: substituted, on 23 February 2015, by clause 4(4)(a) of the Electricity Industry Participation Code Amendment (Distributed Generation) 2014.

Clause 1.1(1) consumer installation: amended, on 5 October 2017, by clause 4(14) of the Electricity Industry Participation Code Amendment (Code Review Programme) 2017.

consumption information means the information describing the quantity of electricity conveyed during the period for which the information is required, which may be directly measured or calculated from information obtained from a metering installation, or calculated in accordance with this Code

consumption pattern means, for the purposes of this Part and Schedule 15.5, the shape of the half hourly consumption

consumption period means a calendar month during which electricity is supplied to consumers (and conversely produced by generators)

contract for differences, for the purposes of subpart 5 and subpart 7 of Part 13, means a financial derivative contract—

  • (a) under which 1 or both parties makes or may make a payment to the other party; and
  • (b) in which the payment to be made depends on, or is derived from, the price of a quantity of electricity at a particular time; and
  • (c) that may provide a means for the risk to 1 or both parties of an increase or decrease in the price of electricity to be reduced or eliminated; and
  • (d) that relates to a quantity of electricity that equals or exceeds 0.1 MW of electricity.

Clause 1.1(1) contract for differences: amended, on 15 January 2016, by clause 4(5) of the Electricity Industry Participation Code Amendment (Code Review Programme) 2015.

Clause 1.1(1) contract for differences: amended, on 19 August 2022, by clause 4(3) of the Electricity Industry Participation Code Amendment (Restrictions on Materially Large Contracts) 2022.

Clause 1.1(1) contract for differences: revoked, on 18 May 2023, by clause 2(2) of the Electricity Industry Participation Code Amendment (Restrictions on Materially Large Contracts) 2023.

Clause 1.1(1) contract for differences: inserted, on 19 May 2023, by clause 4(3) of the Electricity Industry Participation Code Amendment (Restrictions on Materially Large Contracts) 2023.

Clause 1.1(1) contract for differences: paragraph (b) amended, on 30 October 2024, by clause 4(3)(a) of the Electricity Industry Participation Code Amendment (Hedge Disclosure Obligations) 2024.

Clause 1.1(1) contract for differences: paragraph (d) replaced, on 30 October 2024, by clause 4(3)(b) of the Electricity Industry Participation Code Amendment (Hedge Disclosure Obligations) 2024.

contract price [Revoked]

Clause 1.1(1) contract price: amended, on 20 December 2021, by clause 4(4) of the Electricity Industry Participation Code Amendment (Code Review Programme) 2019.

Clause 1.1(1) contract price: revoked, on 30 October 2024, by clause 4(4) of the Electricity Industry Participation Code Amendment (Hedge Disclosure Obligations) 2024.

contract price schedule [Revoked]

Clause 1.1(1) contract price schedule: revoked, on 30 October 2024, by clause 4(5) of the Electricity Industry Participation Code Amendment (Hedge Disclosure Obligations) 2024.

contract specifications means specifications prescribing the specific terms of, and terms of trading in, each class of contract that may from time to time be traded on a market under this Code

control device means a device in a metering installation that controls either or both of the following:

  • (a) electricity
    • (i) conveyed through the metering installation; and
    • (ii) used to satisfy controllable load:
  • (b) a meter register in the metering installation

Clause 1.1(1) control device: inserted, on 29 August 2013, by clause 4(1) of the Electricity Industry Participation (Metering Arrangements) Code Amendment 2011.

controllable load, for the purposes of Part 8, means the quantity of resources (in MW) that a connected asset owner estimates will be available for use by the system operator under a grid emergency. The available controllable load must exclude—

  • (a) resources a connected asset owner intends to use for its own network demand management purposes; and
  • (b) any resources offered into the instantaneous reserves market; and
  • (c) any resources bid or offered on behalf of a dispatch-capable load station or dispatch notification purchaser or dispatch notification generator

Clause 1.1(1) controllable load: inserted, on 1 May 2024, by clause 4 of the Electricity Industry Participation Code Amendment (Controllable Load) 2024.

Clause 1.1(1) controllable load: amended, on 1 April 2025, by clause 4(1) of the Electricity Industry Participation Code Amendment (Code Review Programme) 2025.

controller means,—

  • (a) in relation to a company,—
    • (i) any person in accordance with whose directions and instructions the persons occupying the position of directors of the company are accustomed to act (but disregarding advice given in a professional capacity); or
    • (ii) any person who is entitled to exercise, or control the exercise of, 50% or more of the voting power at any general meeting of the company or of another company of which the company is a subsidiary; and
  • (b) in relation to an unincorporated body of persons,—
    • (i) any person in accordance with whose directions and instructions the officers of the body are accustomed to act (but disregarding advice given in a professional capacity); or
    • (ii) any person who is entitled to exercise, or control the exercise of, 50% or more of the voting power on any resolution of the body;
  • (c) in relation to any person, any person who has the power to appoint or remove a majority of the participants of the governing body of that person or otherwise controls or has the power to control the affairs or policies of that person,—

and control and controlled have corresponding meanings

control room means the location at which asset owners have facilities to receive operational instructions from the system operator and to act on those instructions

control system means equipment that adjusts the output voltage, frequency, active power or reactive power (as the case may be) of an asset in response to certain aspects of common quality such as voltage, frequency, active power or reactive power

Clause 1.1(1) control system: amended on 1 May 2025, by clause 4(2)(a) and (b) of the Electricity Industry Participation Code Amendment (Common Quality Related Amendments) 2025.

core grid means the assets that form part of the core grid as specified in the core grid determination

core grid determination means the determination specifying the assets forming part of the core grid, developed in accordance with clauses 12.63 to 12.69, including variations

core term means a term set out in a default distributor agreement template for inclusion in a default distributor agreement in accordance with clause 3(1)(a) of Schedule 12A.4

Clause 1.1(1) core term: inserted, on 20 July 2020, by clause 4(3) of the Electricity Industry Participation Code Amendment (Default Distributor Agreement) 2020.

customer [Revoked]

Clause 1.1(1) customer: revoked, on 1 November 2018, by clause 4(1) of the Electricity Industry Participation Code Amendment (Code Review Programme) 2018.

customer compensation scheme means a default customer compensation scheme or an additional customer compensation scheme

Clause 1.1(1) customer compensation scheme: inserted, on 1 April 2011, by clause 4(1) of the Electricity Industry Participation (Customer Compensation Schemes) Code Amendment 2011.

data logger [Revoked]

Clause 1.1(1) data logger: revoked, on 15 May 2014, by clause 4(2) of the Electricity Industry Participation (Minor Code Amendments) Code Amendment 2014.

data storage device means a device in a metering installation, whether or not integral to the meter, that—

  • (a) electronically stores data and event logs used to provide information for the purposes of Part 15; and
  • (b) makes the data and event logs available during an interrogation

Clause 1.1(1) data storage device: inserted, on 29 August 2013, by clause 4(1) of the Electricity Industry Participation (Metering Arrangements) Code Amendment 2011.

declaration date means the date, nominated by the profile applicant, on which the Authority must, for a particular profile, give written notice to every registered participant of the information set out in clause 13 of Schedule 15.5 for that profile

Clause 1.1(1) declaration date: amended, on 5 October 2017, by clause 4(15) of the Electricity Industry Participation Code Amendment (Code Review Programme) 2017.

decommissioning means—

  • (a) the permanent removal from service of—
    • (i) an asset; or
    • (ii) a point of connection; or
    • (iii) a metering installation associated with a point of connection; or
  • (b) for the purposes of Parts 11 and 15, the permanent removal of a point of connection by—
    • (i) permanently removing an electrical facility associated with the point of connection; or
    • (ii) changing the allocation of electrical loads between points of connection with the effect of making the point of connection obsolete; or
    • (iii) in the case of a distributor-only ICP for an embedded network, the embedded network ceasing to exist

and decommission and decommissioned have corresponding meanings

Clause 1.1(1) decommissioning: inserted, on 29 August 2013, by clause 4(1) of the Electricity Industry Participation (Metering Arrangements) Code Amendment 2011.

Clause 1.1(1) decommissioning, paragraph (a): replaced, on 5 October 2017, by clause 4(16) of the Electricity Industry Participation Code Amendment (Code Review Programme) 2017.

Clause 1.1(1) decommissioning, paragraph (b)(i): amended, on 1 March 2024, by clause 4(5) of the Electricity Industry Participation Code Amendment (Code Review Programme) 2024.

de-energisation [Revoked]

Clause 1.1(1) de-energisation: amended, on 29 August 2013, by clause 4(2)(i) of the Electricity Industry Participation (Metering Arrangements) Code Amendment 2011.

Clause 1.1(1) de-energisation: amended, on 1 February 2016, by clause 4(6) of the Electricity Industry Participation Code Amendment (Code Review Programme) 2015.

Clause 1.1(1) de-energisation: revoked, on 5 October 2017, by clause 4(60) of the Electricity Industry Participation Code Amendment (Code Review Programme) 2017.

de-energise [Revoked]

Clause 1.1(1) de-energise: inserted, on 29 August 2013, by clause 4(3) of the Electricity Industry Participation (Metering Arrangements) Code Amendment 2013.

Clause 1.1(1) de-energise: revoked, on 1 February 2016, by clause 4(2) of the Electricity Industry Participation Code Amendment (Code Review Programme) 2015.

default customer compensation scheme means a scheme that complies with clause 9.24

Clause 1.1(1) default customer compensation scheme: inserted, on 1 April 2011, by clause 4(1) of the Electricity Industry Participation (Customer Compensation Schemes) Code Amendment 2011.

default distributor agreement means an agreement that a distributor is required to develop in accordance with clauses 3 to 11 of Schedule 12A.4, and which includes—

  • (a) core terms; and
  • (b) operational terms; and
  • (c) [Revoked]
  • (d) collateral terms (if any); and
  • (e) any terms required in accordance with clause 3(1)(d) of Schedule 12A.4

Clause 1.1(1) default distributor agreement: inserted, on 20 July 2020, by clause 4(3) of the Electricity Industry Participation Code Amendment (Default Distributor Agreement) 2020.

Clause 1.1(1) default distributor agreement: amended, on 25 November 2024, by clause 4(2) of the Electricity Industry Participation Code Amendment (Distributor Agreement Amendments) 2024.

default distributor agreement template means a template agreement set out in an appendix to Schedule 12A.4

Clause 1.1(1) default distributor agreement template: inserted, on 20 July 2020, by clause 4(3) of the Electricity Industry Participation Code Amendment (Default Distributor Agreement) 2020.

default interest rate the bank bill bid rate plus 5% per annum

default transmission agreement means a binding contract between Transpower and a designated transmission customer for the connection to and/or use of the grid, that applies under clause 12.10 or 12.13 and which is based on the default transmission agreement template

Clause 1.1(1) default transmission agreement: inserted, on 1 October 2023, by clause 4(1) of the Electricity Industry Participation Code Amendment (Default Transmission Agreement) 2023.

default transmission agreement template means the template agreement set out in Schedule 12.6

Clause 1.1(1) default transmission agreement template: inserted, on 1 October 2023, by clause 4(1) of the Electricity Industry Participation Code Amendment (Default Transmission Agreement) 2023.

demand means the rate of consumption of electrical energy

designated transmission customers means participants who are required to enter into transmission agreements with Transpower under subpart 2 of Part 12

difference bid means the information that a purchaser submits to the system operator under clause 13.7AA to indicate a reasonable estimate of an increase or decrease in the purchaser's usual non-dispatch-capable load purchased at a conforming GXP

Clause 1.1(1) difference bid: inserted, on 28 June 2012, by clause 4(a) of the Electricity Industry Participation (Demand-side Bidding and Forecasting) Code Amendment 2011.

Clause 1.1(1) difference bid: substituted, on 15 May 2014, by clause 5(2) of the Electricity Industry Participation (Modified Dispatchable Demand) Code Amendment 2013.

Clause 1.1(1) difference bid: amended, on 29 June 2017, by clause 4(2) of the Electricity Industry Participation Code Amendment (Shortened Gate Closure and Revised Bid and Offer Provisions) 2017.

direct consumer means a consumer with a point of connection to the grid

direct purchaser means a consumer who purchases, or agrees to purchase, electricity directly from the clearing manager for its own consumption at a point of connection

disclosed [Revoked]

Clause 1.1(1) disclosed: revoked, on 16 December 2013, by clause 4(2)(b) of the Electricity Industry Participation (Revocation of Part 16) Code Amendment 2013.

  • disclosing participant means—
  • (a) a person who consumes electricity that is conveyed to the person directly from the national grid; or
  • (b) a person who buys electricity from the clearing manager; and
  • (c) includes a person who will, in the next quarter (being a quarter beginning 1 January, 1 April, 1 July, or 1 October), meet the description in paragraph (a) or (b), unless paragraph (d) would apply in that next quarter; but
  • (d) excludes an embedded generator where—
    • (i) the embedded generator is not a retailer and does not intend to become a retailer during the next 3 calendar months; and
    • (ii) the electricity purchased by the embedded generator from the clearing manager during the previous 3 calendar months, and expected to be purchased in the next 3 calendar months, is purchased only for its own use to maintain services for the embedded generating station or embedded generating stations that the embedded generator owns or operates

Clause 1.1(1) disclosing participant: inserted, on 1 December 2011, by clause 4 of the Electricity Industry Participation Code (Spot Price Risk Disclosure) Amendment 2011.

Clause 1.1(1) disclosing participant: replaced, on 1 April 2025, by clause 4(2) of the Electricity Industry Participation Code Amendment (Code Review Programme) 2025.

Clause 1.1(1) disclosing participant: replaced, on 15 May 2025, by clause 4 of the Electricity Industry Participation Code Amendment (Spot Price Risk Disclosure) 2025.

disclosure information, in relation to a participant, means information that—

  • (a) is about the participant; and
  • (b) is held by the participant; and
  • (c) the participant expects, or ought reasonably to expect, if made available to the public, will, or is likely to, have a material impact on prices in the wholesale market

Clause 1.1(1) disclosure information: inserted, on 1 October 2013, by clause 4(1) of the Electricity Industry Participation (Disclosure Obligations) Code Amendment 2013.

Clause 1.1(1) disclosure information: amended, on 5 October 2017, by clause 4(17) of the Electricity Industry Participation Code Amendment (Code Review Programme) 2017.

Clause 1.1(1) disclosure information: paragraph (c) amended, on 6 April 2021, by clause 4 of the Electricity Industry Participation Code Amendment (Definition of Disclosure Information) 2021.

Clause 1.1(1) disclosure information: paragraph (c) amended, on 15 December 2021, by clause 4 of the Electricity Industry Participation Code Amendment (Definition of Disclosure Information (No. 2)) 2021.

disconnected [Revoked]

Clause 1.1(1) disconnected: amended, on 23 February 2015, by clause 75 of the Electricity Industry Participation Code Amendment (Distributed Generation) 2014.

Clause 1.1(1) disconnected: revoked, on 5 October 2017, by clause 4(60) of the Electricity Industry Participation Code Amendment (Code Review Programme) 2017.

discretionary demand [Expired]

Clause 1.1(1) discretionary demand: inserted, on 3 May 2023, by clause 4 of the Electricity Industry Participation Code Amendment (Discretionary Demand Control) 2023 and expired on 3 February 2024.

dispatch means the process of—

  • (a) pre-dispatch scheduling, to match expected supply with expected demand, and to allocate ancillary service offers and transmission offers to match expected grid conditions; and
  • (b) rescheduling to meet forecast demand; and
  • (c) issuing instructions and notifications based on the dispatch schedule and the real- time conditions to manage resources to meet the actual demand,—

and dispatching and dispatched have a corresponding meaning

Clause 1.1(1) dispatch paragraphs (a) and (c): amended, on 28 June 2012, by clause 4(d) of the Electricity Industry Participation (Demand-side Bidding and Forecasting) Code Amendment 2011.

Clause 1.1(1) dispatch: amended, on 1 November 2022, by clause 4(3) of the Electricity Industry Participation Code Amendment (Real Time Pricing) 2022.

dispatch arc flows [Revoked]

Clause 1.1(1) dispatch arc flows: revoked, on 28 June 2012, by clause 4(i) of the Electricity Industry Participation (Demand-side Bidding and Forecasting) Code Amendment 2011.

dispatch group constraint arc flows [Revoked]

Clause 1.1(1) dispatch group constraint arc flows: revoked, on 28 June 2012, by clause 4(i) of the Electricity Industry Participation (Demand-side Bidding and Forecasting) Code Amendment 2011.

dispatch instruction means an instruction issued by the system operator under clause 13.72(1)(a)

Clause 1.1(1) dispatch instruction: substituted, on 15 May 2014, by clause 5(2) of the Electricity Industry Participation (Modified Dispatchable Demand) Code Amendment 2013.

Clause 1.1(1) dispatch instruction: amended, on 1 November 2022, by clause 4(4) of the Electricity Industry Participation Code Amendment (Real Time Pricing) 2022.

dispatch marginal location factor means the factor that is determined by dividing the dispatch price at any grid exit point or grid injection point by the dispatch price at the relevant reference point

Clause 1.1(1) dispatch marginal location factor: inserted, on 1 November 2022, by clause 4(1) of the Electricity Industry Participation Code Amendment (Real Time Pricing) 2022.

dispatch notification means a notification to a dispatch notification purchaser or dispatch notification generator made by the system operator under clause 13.72(1)(b)

Clause 1.1(1) dispatch notification: inserted, on 1 November 2022, by clause 4(1) of the Electricity Industry Participation Code Amendment (Real Time Pricing) 2022.

dispatch notification generator means a generator that is approved by the system operator under clause 13.3F to be a dispatch notification generator

Clause 1.1(1) dispatch notification generator: inserted, on 1 November 2022, by clause 4(1) of the Electricity Industry Participation Code Amendment (Real Time Pricing) 2022.

dispatch notification purchaser means for the purposes of Part 1 and Part 13 only, a dispatchable load purchaser that is approved by the system operator under Schedule 13.8 to operate a dispatch-capable load station as a dispatch notification purchaser. For the purpose of this definition and for the purpose of all references to purchaser in relation to a dispatch notification purchaser, purchaser includes a load aggregator

Clause 1.1(1) dispatch notification purchaser: inserted, on 1 November 2022, by clause 4(1) of the Electricity Industry Participation Code Amendment (Real Time Pricing) 2022.

Clause 1.1(1) dispatch notification purchaser: amended, on 1 March 2024, by clause 4(1) of the Electricity Industry Participation Code Amendment (Dispatch Notification Enhancement and Clarifications) 2024.

dispatch objective means the objective defined in clause 13.57

dispatch price means a price in dollars and cents for each grid injection point, each grid exit point, and each reference point, as specified in the dispatch schedule

Clause 1.1(1) dispatch price: inserted, on 1 November 2022, by clause 4(1) of the Electricity Industry Participation Code Amendment (Real Time Pricing) 2022.

dispatch prices [Revoked]

Clause 1.1(1) dispatch prices: revoked, on 28 June 2012, by clause 4(i) of the Electricity Industry Participation (Demand-side Bidding and Forecasting) Code Amendment 2011.

dispatch quantities [Revoked]

Clause 1.1(1) dispatch quantities: revoked, on 28 June 2012, by clause 4(i) of the Electricity Industry Participation (Demand-side Bidding and Forecasting) Code Amendment 2011.

dispatch reserve price means a price in dollars and cents for fast instantaneous reserve and sustained instantaneous reserve for each island, as specified in the dispatch schedule

Clause 1.1(1) dispatch reserve price: inserted, on 1 November 2022, by clause 4(1) of the Electricity Industry Participation Code Amendment (Real Time Pricing) 2022.

dispatch schedule means the schedule produced by the system operator under clause 13.69A

Clause 1.1(1) dispatch schedule: substituted, on 15 May 2014, by clause 5(2) of the Electricity Industry Participation (Modified Dispatchable Demand) Code Amendment 2013.

dispatchable load information means the volume information

  • (a) of each dispatch-capable load station for each trading period in a consumption period; and
  • (b) that is—
    • (i) prepared under clause 15.5A or 15.5B; and
    • (ii) aggregated and rounded in accordance with clause 15.5C

Clause 1.1(1) dispatchable load information: inserted, on 15 May 2014, by clause 5(1) of the Electricity Industry Participation (Modified Dispatchable Demand) Code Amendment 2013.

dispatchable load purchaser means a purchaser that purchases electricity for a dispatch-capable load station and, for the purposes of Parts 1 and 13 only, includes a dispatch notification purchaser. For clarity, other than in Parts 1 and 13, a dispatch notification purchaser is not a dispatchable load purchaser

Clause 1.1(1) dispatchable load purchaser: inserted, on 15 May 2014, by clause 5(1) of the Electricity Industry Participation (Modified Dispatchable Demand) Code Amendment 2013.

Clause 1.1(1) dispatchable load purchaser: amended, on 1 March 2024, by clause 4(2) of the Electricity Industry Participation Code Amendment (Dispatch Notification Enhancement and Clarifications) 2024.

dispatch-capable load station means a device or a group of devices approved as a dispatch-capable load station under clause 13.3A

Clause 1.1(1) dispatch-capable load station: inserted, on 15 May 2014, by clause 5(1) of the Electricity Industry Participation (Modified Dispatchable Demand) Code Amendment 2013.

dispatch-capable load station identifier means a unique code—

  • (a) assigned to a dispatch-capable load station under clause 6(2) of Schedule 13.8; and
  • (b) that is used to identify the dispatch-capable load station and the GXP at which nominated bids are to be submitted for that dispatch-capable load station

Clause 1.1(1) dispatch-capable load station identifier: inserted, on 15 May 2014, by clause 5(1) of the Electricity Industry Participation (Modified Dispatchable Demand) Code Amendment 2013.

Clause 1.1(1) dispatch-capable load station identifier: amended, on 1 March 2024, by clause 4(3) of the Electricity Industry Participation Code Amendment (Dispatch Notification Enhancement and Clarifications) 2024.

dispatched purchaser means a dispatchable load purchaser,—

  • (a) issued with a dispatch instruction under clause 13.72(1)(a)(iii) for 1 or more dispatch-capable load stations; or
  • (b) issued with a dispatch instruction in accordance with backup procedures under clause 13.81 for 1 or more dispatch-capable load stations

Clause 1.1(1) dispatched purchaser: inserted, on 15 May 2014, by clause 5(1) of the Electricity Industry Participation (Modified Dispatchable Demand) Code Amendment 2013.

Clause 1.1(1) dispatched purchaser: amended, on 1 November 2022, by clause 4(5) of the Electricity Industry Participation Code Amendment (Real Time Pricing) 2022.

dispensation means an exclusion from compliance with an AOPO or technical code granted by the system operator in accordance with the process set out in clauses 8.29 to 8.31

distributed generation means generating plant that is connected, or that a distributed generator proposes to connect, to a distribution network or to a consumer installation that is connected to a distribution network, but does not include—

  • (a) generating plant that is connected, or that a participant proposes to connect, to a distribution network and that is operated by a distributor for the purpose of maintaining or restoring the provision of electricity to part or all of the distributor’s distribution network
    • (i) as a result of a planned distribution network outage; or
    • (ii) as a result of an unplanned distribution network outage; or
    • (iii) during a period when the distribution network capacity would otherwise be exceeded on part or all of the distribution network; or
  • (b) generating plant that is only momentarily synchronised, or that a participant proposes only to momentarily synchronise, with the distribution network for the purpose of switching operations to start or stop the generating plant

Clause 1.1(1) distributed generation: substituted, on 23 February 2015, by clause 4(4)(b) of the Electricity Industry Participation Code Amendment (Distributed Generation) 2014.

Clause 1.1(1) distributed generation: replaced, on 5 October 2017, by clause 4(1)(c) of the Electricity Industry Participation Code Amendment (Code Review Programme) 2017.

distributed generator, for the purposes of Part 6, means a person who owns or operates, or intends to own or operate, distributed generation

Clause 1.1(1) distributed generator: amended, on 23 February 2015, by clause 4(5) of the Electricity Industry Participation Code Amendment (Distributed Generation) 2014.

distributed unmetered load means unmetered load with a single profile supplied across more than 1 point of connection to either 1 customer of a retailer or to 1 direct purchaser

Clause 1.1(1) distributed unmetered load: amended, on 1 November 2018, by clause 4(2) of the Electricity Industry Participation Code Amendment (Code Review Programme) 2018.

distribution has the meaning given to it by section 5 of the Act

Clause 1.1(1) distribution: inserted, on 1 February 2016, by clause 4(19) of the Electricity Industry Participation Code Amendment (Code Review Programme) 2015.

distribution network means the electricity lines, and associated equipment, owned or operated by a distributor

Clause 1.1(1) distributed network: amended, on 23 February 2015, by clause 4(6) of the Electricity Industry Participation Code Amendment (Distributed Generation) 2014.

distribution network capacity means the capacity of a distribution network to convey electricity under a range of load and generation conditions in accordance with reasonable and prudent operating practice

Clause 1.1(1) distribution network capacity: inserted, on 23 February 2015, by clause 4(12) of the Electricity Industry Participation Code Amendment (Distributed Generation) 2014.

distributor has the meaning given to it by section 5 of the Act

Clause 1.1(1) distributor: amended, on 21 September 2012, by clause 4(3) of the Electricity Industry Participation (Minor Amendments) Code Amendment 2012.

Clause 1.1(1) distributor: amended, on 23 February 2015, by clause 4(7) of the Electricity Industry Participation Code Amendment (Distributed Generation) 2014.

Clause 1.1(1) distributor: amended, on 24 March 2015, by clause 4(1)(h) of the Electricity Industry Participation (Settlement and Prudential Security) Code Amendment 2013.

Clause 1.1(1) distributor: substituted, on 1 February 2016, by clause 4(1)(b) of the Electricity Industry Participation Code Amendment (Code Review Programme) 2015.

distributor agreement means an agreement between a distributor and a participant trading on, connected to, or using the distributor's network or equipment connected to the distributor's network

Clause 1.1(1) distributor agreement: inserted, on 20 July 2020, by clause 4(3) of the Electricity Industry Participation Code Amendment (Default Distributor Agreement) 2020.

distributor installation details means any information, additional to price category and chargeable capacity, that may be used to calculate line charges applicable to an ICP

distributor kvar reference node means a notional node that represents a group of grid exit points within a zone for which a distributor nominates peak demand in kvar, and for which the individual kvar quantities measured at the individual grid exit points within the group are aggregated for voltage support charging purposes, as approved by the system operator (such approval not to be unreasonably withheld)

document, for the purposes of paragraph (b) of the definition of publish, and Parts 2 and 6, has the meaning given to it in section 2(1) of the Official Information Act 1982

Clause 1.1(1) document: amended, on 16 December 2013, by clause 4(3)(a) and (b) of the Electricity Industry Participation (Revocation of Part 16) Code Amendment 2013.

domestic consumer [Revoked]

Clause 1.1(1) domestic consumer: revoked, on 1 March 2024, by clause 4(6) of the Electricity Industry Participation Code Amendment (Code Review Programme) 2024.

draft policy statement [Revoked]

Clause 1.1(1) draft policy statement: amended, on 10 January 2013, by clause 4(1) of the Electricity Industry Participation (Policy Statement and Procurement Plan Review Process) Code Amendment 2012.

Clause 1.1(1) draft policy statement: revoked, on 1 August 2023, by clause 4(2) of the Electricity Industry Participation Code Amendment (System Operation Documents) 2023.

draft procurement plan [Revoked]

Clause 1.1(1) draft procurement plan: amended, on 10 January 2013, by clause 4(2) of the Electricity Industry Participation (Policy Statement and Procurement Plan Review Process) Code Amendment 2012.

Clause 1.1(1) draft procurement plan: revoked, on 1 August 2023, by clause 4(3) of the Electricity Industry Participation Code Amendment (System Operation Documents) 2023.

dynamic reactive power compensation device means a device, other than a generating unit or synchronous condenser, that normally is provided specifically to inject or absorb reactive power and which includes static synchronous compensators, static synchronous series compensators, thyristor controlled series devices and thyristor controlled shunt devices.

Clause 1.1(1) dynamic reactive power compensation device: inserted on 1 May 2025, by clause 4(3) of the Electricity Industry Participation Code Amendment (Common Quality Related Amendments) 2025.

effective date, for the purposes of subpart 5 of Part 13, means the date of the first trading period to which a risk management contract applies

EIEP means an electricity information exchange protocol that sets out standard formats for the exchange or provision of information

Clause 1.1(1) EIEP: inserted, on 16 December 2013, by clause 4(a) of the Electricity Industry Participation (Electricity Information Exchange Protocols) Code Amendment 2013.

Clause 1.1(1) EIEP: amended, on 1 February 2016, by clause 4(7) of the Electricity Industry Participation Code Amendment (Code Review Programme) 2015.

EIEP12 [Revoked]

Clause 1.1(1) EIEP12: inserted, on 1 December 2011, by clause 4(a) of the Electricity Industry Participation Code (Distributor Use-of-System Agreements and Distributor Tariffs) Amendment 2011.

Clause 1.1(1) EIEP12: revoked, on 16 December 2013, by clause 4(b) of the Electricity Industry Participation (Electricity Information Exchange Protocols) Amendment 2013.

EIE System means an Electricity Information Exchange System being any system prescribed by the Authority under clause 11.32EG

Clause 1.1(1) EIE System: inserted, on 1 March 2020, by clause 4 of the Electricity Industry Participation Code Amendment (Requirements and Processes for Information Requests by Agents) 2020.

Clause 1.1(1) EIE System: amended, on 1 March 2024, by clause 4(7) of the Electricity Industry Participation Code Amendment (Code Review Programme) 2024.

electrical facility means,—

  • (a) [revoked]
  • (b) all fittings that form part of a system for conveying electricity at any point from an ICP to any point from which electricity conveyed through that system may be consumed (including any fittings that are used or designed or intended for use by any person in, or in relation to, the generation of electricity for that person’s use and not for supply to any other person), but does not include any electrical appliance, —

and electrical facilities has a corresponding meaning

Clause 1.1(1) electrical installation paragraph (a): revoked, on 23 February 2015, by clause 4(8)(a) of the Electricity Industry Participation Code Amendment (Distributed Generation) 2014.

Clause 1.1(1) electrical installation paragraph (b): amended, on 23 February 2015, by clause 4(8)(b) of the Electricity Industry Participation Code Amendment (Distributed Generation) 2014.

Clause 1.1(1) electrical installation paragraph (b): amended, on 5 October 2017, by clause 4(18) of the Electricity Industry Participation Code Amendment (Code Review Programme) 2017.

Clause 1.1(1) electrical facility paragraph (b): amended, on 1 March 2024, by clause 4(8) of the Electricity Industry Participation Code Amendment (Code Review Programme) 2024.

electrically connect means to operate a device so that electricity is able to flow, including through a point of connection, and electrically connected, electrically connecting, electrical connection, and similar phrases have corresponding meanings

Clause 1.1(1) electrically connect: inserted, on 5 October 2017, by clause 4(61) of the Electricity Industry Participation Code Amendment (Code Review Programme) 2017.

electrically connecting [Revoked]

Clause 1.1(1) electrically connecting: inserted, on 29 August 2013, by clause 4(2) of the Electricity Industry Participation (Metering Arrangements) Code Amendment 2011, Amendment 2013 (No 2).

Clause 1.1(1) electrically connecting: amended, on 23 February 2015, by clause 75 of the Electricity Industry Participation Code Amendment (Distributed Generation) 2014.

Clause 1.1(1) electrically connecting: revoked, on 5 October 2017, by clause 4(60) of the Electricity Industry Participation Code Amendment (Code Review Programme) 2017.

electrically disconnect means to operate a device so that electricity is unable to flow, including through a point of connection, and electrically disconnected, electrically disconnecting, electrical disconnection, and similar phrases have corresponding meanings

Clause 1.1(1) electrically disconnect: inserted, on 5 October 2017, by clause 4(61) of the Electricity Industry Participation Code Amendment (Code Review Programme) 2017.

electricity means electrical energy measured in kilowatt-hours (kWh)

electricity supplied means, for any particular period, the information relating to the quantities of electricity supplied by retailers across points of connection to consumers, sourced directly from the retailer’s financial records, including quantities—

  • (a) that are metered or unmetered; and
  • (b) supplied through normal customer supply and billing arrangements; and
  • (c) supplied under sponsorship arrangements; and
  • (d) supplied under any other arrangement

Clause 1.1(1) electricity supplied: amended, on 1 November 2018, by clause 4(3) of the Electricity Industry Participation Code Amendment (Code Review Programme) 2018.

electronic signature has the meaning given to it in section 209 of the Contract and Commercial Law Act 2017

Clause 1.1(1) electronic signature: inserted, on 1 March 2020, by clause 4 of the Electricity Industry Participation Code Amendment (Requirements and Processes for Information Requests by Agents) 2020.

embedded generating station means 1 or more generating units that are directly connected to a local network or an embedded network and that injects into a local network or an embedded network at a single point of injection

Clause 1.1(1) embedded generating station: amended, on 23 February 2015, by clause 75 of the Electricity Industry Participation Code Amendment (Distributed Generation) 2014.

Clause 1.1(1) embedded generating station: amended, on 5 October 2017, by clause 4(19) of the Electricity Industry Participation Code Amendment (Code Review Programme) 2017.

embedded generator means a generator who owns or operates 1 or more embedded generating stations

embedded network means equipment that is used, designed or intended for use in, or in connection with, the conveyance of electricity, and that—

  • (a) is indirectly connected to the grid through 1 or more other networks; and
  • (b) has 1 or more ICP identifiers recorded in the registry as being connected to it

Clause 1.1(1) embedded network: amended, on 1 February 2016, by clause 4(1)(c) of the Electricity Industry Participation Code Amendment (Code Review Programme) 2015.

Clause 1.1(1) embedded network: replaced, on 5 October 2017, by clause 4(20) of the Electricity Industry Participation Code Amendment (Code Review Programme) 2017.

Clause 1.1(1) embedded network: amended, on 1 March 2024, by clause 4(9) of the Electricity Industry Participation Code Amendment (Code Review Programme) 2024.

emergency management policy means the emergency management policy that is incorporated by reference in this Code under clause 7.4

EMP departure situation means any situation in which the system operator believes on reasonable grounds that complying with the emergency management policy will not—

  • (a) adequately mitigate an emergency situation; or
  • (b) minimise risk to public safety or significant damage to assets

Clause 1.1(1) EMP departure situation: inserted, on 21 September 2012, by clause 4(4) of the Electricity Industry Participation (Minor Amendments) Code Amendment 2012.

end date, for the purposes of subpart 5 of Part 13, means the date of the final trading period to which the risk management contract applies

energisation [Revoked]

Clause 1.1(1) energisation: inserted, on 29 August 2013, by clause 4(1) of the Electricity Industry Participation (Metering Arrangements) Code Amendment 2011.

Clause 1.1(1) energisation: substituted, on 29 August 2013, by clause 4(1) of the Electricity Industry Participation (Metering Arrangements) Code Amendment 2011, Amendment 2013 (No 2).

Clause 1.1(1) energisation paragraph (b): revoked, on 1 February 2016, by clause 4(8) of the Electricity Industry Participation Code Amendment (Code Review Programme) 2015.

Clause 1.1(1) energisation: revoked, on 5 October 2017, by clause 4(60) of the Electricity Industry Participation Code Amendment (Code Review Programme) 2017.

energy storage system means all equipment functioning together as a single entity that is able to take electricity from a network, store the energy in another form, and provide injection

Clause 1.1(1) energy storage system: inserted, on 3 May 2022, by clause 4(1) of the Electricity Industry Participation Code Amendment (Enabling Energy Storage Systems to Offer Instantaneous Reserve) 2022.

equivalence arrangement means an arrangement put in place in accordance with the process set out in clauses 8.29 and 8.30

equivalent day [Revoked]

Clause 1.1(1) equivalent day: revoked, on 1 November 2022, by clause 4(2) of the Electricity Industry Participation Code Amendment (Real Time Pricing) 2022.

error claimant [Revoked]

Clause 1.1(1) error claimant: revoked, on 1 November 2022, by clause 4(2) of the Electricity Industry Participation Code Amendment (Real Time Pricing) 2022.

error compensation means the application of a predetermined adjustment or process to the data within or obtained from, a metering component or metering installation in order to correct such data for known errors in any metering component

Clause 1.1(1) error compensation: amended, on 29 August 2013, by clause 4(2)(j) of the Electricity Industry Participation (Metering Arrangements) Code Amendment 2011.

estimated reading means a value, used in the place of a meter reading, that is—

  • (a) created using an estimation algorithm; and
  • (b) not a validated meter reading

event charge means the amount calculated under clause 8.64

event date, in relation to an ICP, means the earlier of the following dates:

  • (a) the date on which the gaining trader commences trading electricity at the ICP under clauses 1(1), 8(1) or 13(1) of Schedule 11.3:
  • (b) the date on which the gaining trader otherwise assumes responsibility under clause 11.18(1) for the ICP

Clause 1.1(1) event date: substituted, on 1 February 2016, by clause 4(1)(d) of the Electricity Industry Participation Code Amendment (Code Review Programme) 2015.

event log means an automatically generated record of activity in a data storage device, that can be extracted or manually read as part of an interrogation

Clause 1.1(1) event log: inserted, on 29 August 2013, by clause 4(1) of the Electricity Industry Participation (Metering Arrangements) Code Amendment 2011.

event of default means any event listed in clause 14.41

Clause 1.1(1) event of default: amended, on 24 March 2015, by clause 4(1)(i) of the Electricity Industry Participation (Settlement and Prudential Security) Code Amendment 2013.

exceptional circumstances means, for the purposes of Part 15, circumstances in which access to the relevant meter is not achieved despite the reconciliation participant’s best endeavours

exchange means an exchange included in a list published by the Authority on which New Zealand electricity base load futures contracts are available for trade

Clause 1.1(1) exchange: inserted, on 27 April 2021, by clause 4(1) of the Electricity Industry Participation Code Amendment (Hedge Market Arrangements) 2021.

excluded Code information means information—

  • (a) that relates to bids, offers, reserve offers, or any asset capability statement; or
  • (b) that is provided to the Authority, any investigator, or the Rulings Panel and that is required to be kept confidential under this Code or the Act; or
  • (c) in relation to which the Rulings Panel has prohibited publication or communication

Clause 1.1(1) excluded Code information paragraph (a): substituted, on 1 October 2013, by clause 4(2) of the Electricity Industry Participation (Disclosure Obligations) Code Amendment 2013.

excluded generating station has the meaning set out in clause 8.21(1)

existing assets means transmission assets and non-transmission projects that have been commissioned before, and are in operation at the time of, application of a net benefits tests set out in Part 12. To avoid doubt, an investment in the expansion of generating capacity of an existing generating unit is not an existing asset or part of an existing asset, unless the additional generating capacity associated with the investment has been commissioned before, and is in operation at the time of, the application of the relevant net benefits test

Clause 1.1(1) existing assets: amended, on 5 October 2017, by clause 4(21) of the Electricity Industry Participation Code Amendment (Code Review Programme) 2017.

expected interruption costs [Revoked]

Clause 1.1(1) expected interruption costs: revoked, on 7 August 2014, by clause 4(2) of the Electricity Industry Participation Code Amendment (Extended Reserve) 2014.

expected near-constraint arc flows means the scheduled quantity of energy flow on a transmission line or a transformer, if the energy flow is equal to or greater than 95% of the maximum energy flow limit (in MW) of the transmission line or transformer as set by the system operator in accordance with Schedule 13.3

Clause 1.1(1) expected near-constraint arc flows: inserted, on 28 June 2012, by clause 4(a) of the Electricity Industry Participation (Demand-side Bidding and Forecasting) Code Amendment 2011.

expected near-group-constraint arc flows means the scheduled quantity of energy flow on a group of transmission lines or a group of transformers or a group of transmission lines and transformers, calculated according to a group constraint formula covering the group, if the scheduled quantity of energy flow is equal to or above 95% of the maximum energy flow limit (in MW) for the group as set by the system operator in accordance with Schedule 13.3

Clause 1.1(1) expected near-group-constraint arc flows: inserted, on 28 June 2012, by clause 4(a) of the Electricity Industry Participation (Demand-side Bidding and Forecasting) Code Amendment 2011.

Clause 1.1(1) expected near-group-constraint arc flows: amended, on 1 February 2016, by clause 4(9) of the Electricity Industry Participation Code Amendment (Code Review Programme) 2015.

expected unserved energy means a forecast of the aggregate amount by which the demand for electricity exceeds the supply of electricity at each grid exit point as a result of likely planned or unplanned outages of primary transmission equipment

extended emergency situation [Revoked]

Clause 1.1(1) extended emergency situation: revoked, on 21 September 2012, by clause 4(4) of the Electricity Industry Participation (Minor Amendments) Code Amendment 2012.

export congestion means a situation in which a distribution network is unable to accept electricity exported from distributed generation because the injection of an additional unit of electricity into the distribution network would—

  • (a) directly cause a component in the network to operate beyond the component's rated maximum capacity; or
  • (b) give rise to an unacceptably high level of voltage at the point of connection between the distribution network and the distributed generation

Clause 1.1(1) export congestion: inserted, on 23 February 2015, by clause 4(12) of the Electricity Industry Participation Code Amendment (Distributed Generation) 2014.

Clause 1.1(1) export congestion: amended, on 5 October 2017, by clause 4(22) of the Electricity Industry Participation Code Amendment (Code Review Programme) 2017.

extended reserve [Revoked]

Clause 1.1(1) extended reserve: inserted, on 7 August 2014, by clause 4(3) of the Electricity Industry Participation Code Amendment (Extended Reserve) 2014.

Clause 1.1(1) extended reserve: revoked, on 21 December 2021, by clause 4(3) of the Electricity Industry Participation Code Amendment (Automatic Under-Frequency Load Shedding Systems) 2021.

extended reserve manager [Revoked]

Clause 1.1(1) extended reserve manager: inserted, on 7 August 2014, by clause 4(3) of the Electricity Industry Participation Code Amendment (Extended Reserve) 2014.

Clause 1.1(1) extended reserve manager: amended, on 5 October 2017, by clause 4(23) of the Electricity Industry Participation Code Amendment (Code Review Programme) 2017.

Clause 1.1(1) extended reserve manager: amended, on 20 December 2021, by clause 4(5) of the Electricity Industry Participation Code Amendment (Code Review Programme) 2019.

Clause 1.1(1) extended reserve manager: revoked, on 21 December 2021, by clause 4(3) of the Electricity Industry Participation Code Amendment (Automatic Under-Frequency Load Shedding Systems) 2021.

extended reserve procurement notice [Revoked]

Clause 1.1(1) extended reserve procurement notice: inserted, on 7 August 2014, by clause 4(3) of the Electricity Industry Participation Code Amendment (Extended Reserve) 2014.

Clause 1.1(1) extended reserve procurement notice: revoked, on 21 December 2021, by clause 4(3) of the Electricity Industry Participation Code Amendment (Automatic Under-Frequency Load Shedding Systems) 2021.

extended reserve procurement schedule [Revoked]

Clause 1.1(1) extended reserve procurement schedule: inserted, on 7 August 2014, by clause 4(3) of the Electricity Industry Participation Code Amendment (Extended Reserve) 2014.

Clause 1.1(1) extended reserve procurement schedule: revoked, on 21 December 2021, by clause 4(3) of the Electricity Industry Participation Code Amendment (Automatic Under-Frequency Load Shedding Systems) 2021.

extended reserve provider [Revoked]

Clause 1.1(1) extended reserve provider: inserted, on 7 August 2014, by clause 4(3) of the Electricity Industry Participation Code Amendment (Extended Reserve) 2014.

Clause 1.1(1) extended reserve provider: revoked, on 21 December 2021, by clause 4(3) of the Electricity Industry Participation Code Amendment (Automatic Under-Frequency Load Shedding Systems) 2021.

extended reserve schedule [Revoked]

Clause 1.1(1) extended reserve schedule: inserted, on 7 August 2014, by clause 4(3) of the Electricity Industry Participation Code Amendment (Extended Reserve) 2014.

Clause 1.1(1) extended reserve schedule: revoked, on 21 December 2021, by clause 4(3) of the Electricity Industry Participation Code Amendment (Automatic Under-Frequency Load Shedding Systems) 2021.

extended reserve selection methodology [Revoked]

Clause 1.1(1) extended reserve selection methodology: inserted, on 7 August 2014, by clause 4(3) of the Electricity Industry Participation Code Amendment (Extended Reserve) 2014.

Clause 1.1(1) extended reserve selection methodology: revoked, on 21 December 2021, by clause 4(3) of the Electricity Industry Participation Code Amendment (Automatic Under-Frequency Load Shedding Systems) 2021.

extended reserve technical requirements report [Revoked]

Clause 1.1(1) extended reserve technical requirements report: inserted, on 7 August 2014, by clause 4(3) of the Electricity Industry Participation Code Amendment (Extended Reserve) 2014.

Clause 1.1(1) extended reserve technical requirements report: revoked, on 21 December 2021, by clause 4(3) of the Electricity Industry Participation Code Amendment (Automatic Under-Frequency Load Shedding Systems) 2021.

extended reserve technical requirements schedule [Revoked]

Clause 1.1(1) extended reserve technical requirements schedule: inserted, on 7 August 2014, by clause 4(3) of the Electricity Industry Participation Code Amendment (Extended Reserve) 2014.

Clause 1.1(1) extended reserve technical requirements schedule: revoked, on 21 December 2021, by clause 4(3) of the Electricity Industry Participation Code Amendment (Automatic Under-Frequency Load Shedding Systems) 2021.

fast instantaneous reserve means the increase in generation or reduction in demand (in MW) provided no later than 6 seconds, and measured at 6 seconds, after the start of a “Contingent Event” (as defined in the policy statement) and that is sustained until at least 60 seconds after the start of the “Contingent Event”

Clause 1.1(1) fast instantaneous reserve: amended, on 3 May 2022, by clause 4(3)(a) of the Electricity Industry Participation Code Amendment (Enabling Energy Storage Systems to Offer Instantaneous Reserve) 2022.

final application for the purposes of Part 6, means an application made under clause 15 of Schedule 6.1

final estimate [Revoked]

Clause 1.1(1) final estimate: revoked, on 1 November 2022, by clause 4(2) of the Electricity Industry Participation Code Amendment (Real Time Pricing) 2022.

final marginal location factor means the factor that is determined by dividing the final price at any grid exit point or grid injection point by the final price at the relevant reference point

final price means an interim price that becomes a final price in accordance with clause 13.182A or 13.182B

Clause 1.1(1) final price: amended, on 1 November 2022, by clause 4(6)(a) of the Electricity Industry Participation Code Amendment (Real Time Pricing) 2022.

final reserve price means an interim reserve price that becomes a final reserve price in accordance with clause 13.182A or 13.182B

Clause 1.1(1) final reserve price: amended, on 1 November 2022, by clause 4(6)(b) of the Electricity Industry Participation Code Amendment (Real Time Pricing) 2022.

financial year means, except in Part 6A and Schedule 12.4, the financial year adopted by a participant from time to time, being a 12 month period as a participant determines

Clause 1.1(1) financial year: revoked, on 5 October 2017, by clause 4(60) of the Electricity Industry Participation Code Amendment (Code Review Programme) 2017.

Clause 1.1(1) financial year: inserted, on 30 November 2021, by clause 4 of the Electricity Industry Participation Code Amendment (Internal Transfer Prices and Segmented Profitability Reporting) 2021.

Clause 1.1(1) financial year: amended, on 1 March 2024, by clause 4(10) of the Electricity Industry Participation Code Amendment (Code Review Programme) 2024.

fittings [Revoked]

Clause 1.1(1) fittings: revoked, on 23 February 2015, by clause 4(11) of the Electricity Industry Participation Code Amendment (Distributed Generation) 2014.

fixed-price physical supply contract means a contract that provides for the physical supply of electricity, if—

  • (a) the buyer is reasonably expected to purchase 1 MW or more of electricity on average during the term of the contract (for the purposes of determining whether a contract meets this 1 MW threshold, the total purchases under the contract must be used; and
  • (b) the contract allows the buyer to purchase either—
    • (i) variable amounts of electricity linked to actual consumption or generation of electricity at a fixed price or prices; or
    • (ii) a fixed amount of electricity at a fixed price or prices; and
  • (c) excludes a contract for the physical supply of electricity, that is generated by an embedded generating station, directly to a consumer

Clause 1.1(1) fixed-price physical supply contract: paragraphs (a) and (b) amended, on 30 October 2024, by clause 4(6) of the Electricity Industry Participation Code Amendment (Hedge Disclosure Obligations) 2024.

flagged, in relation to a dispatch instruction issued to an intermittent generator, means an indication on the dispatch instruction that it is a dispatch instruction of the kind described in clause 13.73(1A), and flag has a corresponding meaning

Clause 1.1(1) flagged: inserted, at 12.00 pm on 19 September 2019, by clause 4(5) of the Electricity Industry Participation Code Amendment (Wind Offer Arrangements) 2019.

floating-price payer means the party obliged to make 1 or more payments, from time to time during the term of a risk management contract, of a floating amount for a quantity of electricity

Clause 1.1(1) floating-price payer: amended, on 30 October 2024, by clause 4(7) of the Electricity Industry Participation Code Amendment (Hedge Disclosure Obligations) 2024.

force majeure clause, for the purposes of subpart 5 of Part 13, a clause in a risk management contract under which some or all obligations may be suspended and/or the risk management contract may terminate due to 1 or more events (not being events specified in a suspension clause) beyond the control of the party and that could not reasonably have been foreseen, including—

  • (a) any event or circumstance occasioned by, or in consequence of, any act of God (being an event or circumstance—
    • (i) due to natural causes, directly or indirectly and exclusively without human intervention; and
    • (ii) that could not reasonably have been foreseen or if foreseen, could not reasonably have been resisted); or
  • (b) strikes, lockouts, other industrial disturbances, acts of public enemy, wars, blockades, insurrections, riots, epidemics, or civil disturbances; or
  • (c) the binding order of any court, government or a local authority beyond the control of the party

force majeure event, for the purposes of Parts 3 and 4,—

  • (a) means an event or circumstance beyond the reasonable control of a market operation service provider or ancillary service agent that results in, or causes, the market operation service provider or ancillary service agent to be unable to perform any of its obligations under this Code or the Electricity Industry (Enforcement) Regulations 2010; and
  • (b) includes (without limitation)—
    • (i) fire, flood, storm, earthquake, landslide, volcanic eruption, or other act of God; and
    • (ii) explosion or nuclear, biological, or chemical contamination; and
    • (iii) sabotage, terrorism, or act of war (whether declared or not); and
  • (c) includes an act or omission by a party to an agreement with a market operation service provider (not being the Authority) or an ancillary service agent only if—
    • (i) the act or omission is a breach of an obligation under the agreement; and
    • (ii) the obligation is in all material respects the same as an obligation in the market operation service provider agreement, or the ancillary service agent's agreement with the system operator; and
    • (iii) the act or omission would have been a force majeure event if it had been an act or omission of the market operation service provider or ancillary service agent and not an act or omission of the party; and
  • (d) does not include that a market operation service provider, ancillary service agent, or other person—
    • (i) is unable or unwilling to pay any amount necessary to meet the obligations under this Code or the Electricity Industry (Enforcement) Regulations 2010; or
    • (ii) is unable to pay its debts; or
    • (iii) calls a meeting for the purpose of Part 14 of the Companies Act 1993; or
    • (iv) is adjudicated bankrupt; or
    • (v) in the case of a company, society, or partnership, has a receiver or statutory manager or similar person appointed in respect of it or of all or any of its assets; or
    • (vi) is put into liquidation; and
  • (e) does not include an event that could have been prevented by the market operation service provider or ancillary service agent by the exercise of a reasonable standard of care

Clause 1.1(1) force majeure event: substituted, on 1 November 2012, by clause 4 of the Electricity Industry Participation (Force Majeure) Code Amendment 2012.

forecast marginal location factor means the factor that is determined by dividing the forecast price at any grid exit point or grid injection point by the forecast price at the relevant reference point

forecast of generation potential means, in relation to an intermittent generating station, an intermittent generator's estimate of the electricity (specified in MW) it will generate during a trading period, if—

  • (a) the system operator issues dispatch instructions to the intermittent generator for the intermittent generating station for the trading period; and
  • (b) none of the dispatch instructions are flagged in accordance with clause 13.73(1A)

Clause 1.1(1) forecast of generation potential: inserted, at 12.00 pm on 19 September 2019, by clause 4(5) of the Electricity Industry Participation Code Amendment (Wind Offer Arrangements) 2019.

forecast price means the price for electricity at each grid exit point, each grid injection point, and each reference point scheduled in the price-responsive schedule or the non-response schedule (whichever is the case) in dollars and cents

Clause 1.1(1) forecast prices: substituted, on 28 June 2012, by clause 4(e) of the Electricity Industry Participation (Demand-side Bidding and Forecasting) Code Amendment 2011.

Clause 1.1(1) forecast price: amended, on 1 November 2022, by clause 4(6)(c) of the Electricity Industry Participation Code Amendment (Real Time Pricing) 2022.

forecast reserve prices means the prices for fast instantaneous and sustained instantaneous reserve for each island scheduled in the price-responsive schedule or the non-response schedule (whichever is relevant) in dollars and cents

Clause 1.1(1) forecast reserve prices: substituted, on 28 June 2012, by clause 4(f) of the Electricity Industry Participation (Demand-side Bidding and Forecasting) Code Amendment 2011.

formal notice means a notice issued by the system operator in accordance with clause 5 of Technical Code B of Schedule 8.3

Clause 1.1(1) formal notice: amended, on 1 June 2013, by clause 4(b) of the Electricity Industry Participation (Scarcity Pricing) Code Amendment 2011.

forward estimate means, in relation to non half hour metered ICPs, any volume information (in kWh) submitted for a part or full consumption period that is not an historical estimate

frequency fluctuation means a deviation in frequency outside the normal band

Clause 1.1(1) frequency fluctuation: inserted, on 19 May 2016, by clause 4(2) of the Electricity Industry Participation Code Amendment (System Operator and Alignment with Statutory Objective) 2016.

frequency keeping means an ancillary service that maintains the system frequency within the normal band

frequency keeping unit means any equipment that provides frequency keeping services

Clause 1.1(1) frequency keeping unit: inserted, on 3 October 2013, by clause 4 of the Electricity Industry Participation (Technology Neutral Language in Frequency Keeping) Code Amendment 2013.

frequency time error [Revoked]

Clause 1.1(1) frequency time error: revoked, on 19 May 2016, by clause 4(1) of the Electricity Industry Participation Code Amendment (System Operator and Alignment with Statutory Objective) 2016.

FTR means a financial transmission right created under subpart 6 of Part 13

Clause 1.1(1) FTR: inserted, on 1 October 2011, by clause 4(1) of the Electricity Industry Participation (Financial Transmission Rights) Code Amendment 2011.

FTR account [Revoked]

Clause 1.1(1) FTR account: inserted, on 1 October 2011, by clause 4(1) of the Electricity Industry Participation (Financial Transmission Rights) Code Amendment 2011.

Clause 1.1(1) FTR account: revoked, on 24 March 2015, by clause 4(1)(j) of the Electricity Industry Participation (Settlement and Prudential Security) Code Amendment 2013.

FTR acquisition cost means—

  • (a) the amount a participant owes or is owed in respect of the acquisition of an FTR in an FTR auction; or
  • (b) if an FTR has been assigned by the first holder of the FTR, the amount that becomes owing under clause 13.249(3); or
  • (c) an amount described in paragraph (a) or (b) that is adjusted under clause 13.242A

Clause 1.1(1) FTR payment: inserted, on 1 October 2011, by clause 4(1) of the Electricity Industry Participation (Financial Transmission Rights) Code Amendment 2011.

Clause 1.1(1) FTR payment: amended to FTR acquisition cost, on 1 November 2012, by clause 4(2) of the Electricity Industry Participation (Financial Transmission Rights) Code Amendment 2012.

Clause 1.1(1) FTR acquisition cost: amended, on 1 November 2014, by clause 4(2) of the Electricity Industry Participation (FTR Reconfiguration Auctions) Code Amendment 2014.

Clause 1.1(1) FTR acquisition cost: amended, on 24 March 2015, by clause 4(1)(l) of the Electricity Industry Participation (Settlement and Prudential Security) Code Amendment 2013.

FTR allocation plan means the FTR allocation plan prepared and published by the FTR manager under clause 13.238

Clause 1.1(1) FTR allocation plan: inserted, on 1 October 2011, by clause 4(1) of the Electricity Industry Participation (Financial Transmission Rights) Code Amendment 2011.

FTR auction means an auction conducted by the FTR manager in accordance with the FTR allocation plan approved under subpart 6 of Part 13

Clause 1.1(1) FTR auction: inserted, on 1 October 2011, by clause 4(1) of the Electricity Industry Participation (Financial Transmission Rights) Code Amendment 2011.

FTR hedge value means the gross amount that becomes due and owing by the clearing manager or the holder of an FTR on the settlement of the FTR in accordance with the terms of the FTR (excluding the FTR acquisition cost and any amount owing under clause 13.249(4) or (7))

Clause 1.1(1) FTR hedge value: inserted, on 1 November 2012, by clause 4(1) of the Electricity Industry Participation (Financial Transmission Rights) Code Amendment 2012.

Clause 1.1(1) FTR hedge value: amended, on 24 March 2015, by clause 4(1)(k) of the Electricity Industry Participation (Settlement and Prudential Security) Code Amendment 2013.

FTR manager means the market operation service provider for the time being appointed as the FTR manager under this Code

Clause 1.1(1) FTR manager: inserted, on 1 October 2011, by clause 4(1) of the Electricity Industry Participation (Financial Transmission Rights) Code Amendment 2011.

Clause 1.1(1) FTR payment: inserted, on 1 October 2011, by clause 4(1) of the Electricity Industry Participation (Financial Transmission Rights) Code Amendment 2011.

Clause 1.1(1) FTR payment: amended to FTR acquisition cost, on 1 November 2012, by clause 4(2) of the Electricity Industry Participation (Financial Transmission Rights) Code Amendment 2012.

Clause 1.1(1) FTR manager: amended, on 5 October 2017, by clause 4(24) of the Electricity Industry Participation Code Amendment (Code Review Programme) 2017.

Clause 1.1(1) FTR manager: amended, on 20 December 2021, by clause 4(7) of the Electricity Industry Participation Code Amendment (Code Review Programme) 2019.

FTR period means a period for which an FTR applies

Clause 1.1(1) FTR period: inserted, on 1 October 2011, by clause 4(1) of the Electricity Industry Participation (Financial Transmission Rights) Code Amendment 2011.

FTR reconfiguration amount means the amount a participant that sells a reconfigured FTR

  • (a) is entitled to be paid for the reconfigured FTR, if the amount is positive; or
  • (b) is liable to pay in respect of the reconfigured FTR, if the amount is negative

Clause 1.1(1) FTR reconfiguration amount: inserted, on 1 November 2014, by clause 4(1) of the Electricity Industry Participation (FTR Reconfiguration Auctions) Code Amendment 2014.

FTR reconfiguration auction means an FTR auction that allows a holder of an FTR to offer for sale a portion of the FTR expressed in terms of all or a specified amount of the electricity (in MW) to which the FTR relates

Clause 1.1(1) FTR reconfiguration auction: inserted, on 1 November 2014, by clause 4(1) of the Electricity Industry Participation (FTR Reconfiguration Auctions) Code Amendment 2014.

FTR register means the register created and operated by the FTR manager under clause 13.247

Clause 1.1(1) FTR register: inserted, on 1 October 2011, by clause 4(1) of the Electricity Industry Participation (Financial Transmission Rights) Code Amendment 2011.

fully calibrated certification means certification of a metering installation under clause 13(3) of Schedule 10.7

Clause 1.1(1) fully calibrated certification: inserted, on 29 August 2013, by clause 4(1) of the Electricity Industry Participation (Metering Arrangements) Code Amendment 2011.

fully certified metering installation means a metering installation that has been certified other than an interim certified metering installation

Clause 1.1(1) fully certified metering installation: inserted, on 29 August 2013, by clause 4(1) of the Electricity Industry Participation (Metering Arrangements) Code Amendment 2011.

Clause 1.1(1) fully certified metering installation: amended, on 20 December 2021, by clause 4(6) of the Electricity Industry Participation Code Amendment (Code Review Programme) 2019.

gaining metering equipment provider means, for the purposes of Parts 10 and 11,—

  • (a) the person who a trader records in the registry as the metering equipment provider for each metering installation for a point of connection; or
  • (b) the person with whom the participant responsible for ensuring there is a metering installation for a point of connection enters into an arrangement to become the metering equipment provider for each metering installation for the point of connection

Clause 1.1(1) gaining metering equipment provider: inserted, on 29 August 2013, by clause 4(1) of the Electricity Industry Participation (Metering Arrangements) Code Amendment 2011.

Clause 1.1(1) gaining metering equipment provider: amended, on 5 October 2017, by clause 4(25) of the Electricity Industry Participation Code Amendment (Code Review Programme) 2017.

gaining retailer means a retailer who has entered into an arrangement to supply electricity to a person where, at the time the arrangement is entered into, the person is a customer of another retailer (being a losing retailer)

Clause 1.1(1) gaining retailer: inserted, on 31 March 2020, by clause 4 of the Electricity Industry Participation Code Amendment (Prohibition of Save and Win-Back Approaches by Losing Retailers During a Switch Protected Period) 2020.

gate closure period, in relation to a trading period for which a generator or ancillary service agent has submitted an offer or reserve offer, or for which a dispatchable load purchaser has submitted a nominated dispatch bid, means—

  • (a) the trading period to which the offer or reserve offer relates, and the trading period immediately preceding that trading period for—
    • (i) an embedded generator:
    • (ii) an ancillary service agent that is also an embedded generator:
    • (iii) a dispatch notification purchaser:
    • (iv) a dispatch notification generator; and
  • (b) the trading period to which the offer, reserve offer, or nominated dispatch bid relates, and the 2 trading periods immediately preceding that trading period, for—
    • (i) any other generator:
    • (ii) any other ancillary service agent:
    • (iii) a dispatchable load purchaser (other than a dispatch notification purchaser)

Clause 1.1(1) gate closure period: inserted, on 29 June 2017, by clause 4(3) of the Electricity Industry Participation Code Amendment (Shortened Gate Closure and Revised Bid and Offer Provisions) 2017.

Clause 1.1(1) gate closure period paragraph (a)(ii): revoked, at 12.00 pm on 19 September 2019, by clause 4(2) of the Electricity Industry Participation Code Amendment (Wind Offer Arrangements) 2019.

Clause 1.1(1) gate closure period: amended, on 1 November 2022, by clause 4(6)(d) of the Electricity Industry Participation Code Amendment (Real Time Pricing) 2022.

generally available retail tariff plan

  • (a) means a retail tariff plan that a retailer will make available to any consumer (subject to credit requirements) if the consumer satisfies the requirements specified for the retail tariff plan relating to:
    • (i) physical location:
    • (ii) metering configuration:
    • (iii) price category code; but
  • (b) does not include a retail tariff plan made available by a retailer only under an agreement reached as a result of the retailer directly contacting a consumer to offer a retail tariff plan that provides the consumer with a financial discount or other benefit when compared with any other of the retailer's tariff plans to which paragraph (a) applies that are available to that consumer

Clause 1.1(1) generally available retail tariff plan: inserted, on 1 February 2016, by clause 4 of the Electricity Industry Participation Code Amendment (Access to Retail Tariff Information) 2015.

generating plant means equipment collectively used for generating electricity

generating station means 1 or more generating units that are directly connected to the grid or to a local network and that inject into the grid or a local network (as the case may be) at a single point of injection

Clause 1.1(1) generating station: amended, on 23 February 2015, by clause 75 of the Electricity Industry Participation Code Amendment (Distributed Generation) 2014.

Clause 1.1(1) generating station: amended, on 5 October 2017, by clause 4(26) of the Electricity Industry Participation Code Amendment (Code Review Programme) 2017.

generating unit means all equipment functioning together as a single entity to produce electricity

Clause 1.1(1) generating unit: amended, on 20 March 2020, by clause 4(2) of the Electricity Industry Participation Code Amendment (Broadening Definitions of Generating Unit and Intermittent Generating Station) 2020

generating unit gross means the output of a generating unit measured or calculated at its output terminals, inclusive of any generating unit load supplied

Clause 1.1(1) generating unit gross: inserted, on 1 June 2011, by clause 4(1) of the Electricity Industry Participation (Minor Amendments) Code Amendment 2011.

generating unit load means the active and reactive power supplied or injected via connections between the generating unit’s output terminals and its generating unit circuit breaker

Clause 1.1(1) generating unit load: inserted, on 1 June 2011, by clause 4(1) of the Electricity Industry Participation (Minor Amendments) Code Amendment 2011.

Clause 1.1(1) generating unit load: amended, on 23 February 2015, by clause 75 of the Electricity Industry Participation Code Amendment (Distributed Generation) 2014.

Clause 1.1(1) generating unit load: amended, on 5 October 2017, by clause 4(27) of the Electricity Industry Participation Code Amendment (Code Review Programme) 2017.

generating unit net means the output of a generating unit measured or calculated at its point of connection, but does not include generating unit load or any other active or reactive power supplied (including losses) between the generating unit and the point of connection

Clause 1.1(1) generating unit net: inserted, on 1 June 2011, by clause 4(1) of the Electricity Industry Participation (Minor Amendments) Code Amendment 2011.

Clause 1.1(1) generation unit net: amended, on 20 December 2021, by clause 4(8) of the Electricity Industry Participation Code Amendment (Code Review Programme) 2019.

generation reserve means a form of instantaneous reserve (including, without limitation, partly loaded spinning reserve, tail water depressed reserve and that provided by energy storage systems) which comprises generating capacity that is able to provide fast instantaneous reserve or sustained instantaneous reserve in accordance with the procurement plan.

Clause 1.1(1) generation reserve: inserted, on 3 May 2022, by clause 4(1) of the Electricity Industry Participation Code Amendment (Enabling Energy Storage Systems to Offer Instantaneous Reserve) 2022.

generator means, except in Part 6A, a person who owns generating units connected to a network, or any person who acts, in respect of Parts 13, 14 and 15, on behalf of any person who owns such generating units, and includes embedded generators, intermittent generators, type A co-generators, and type B co-generators

Clause 1.1(1) generator: amended, on 23 February 2015, by clause 75 of the Electricity Industry Participation Code Amendment (Distributed Generation) 2014.

Clause 1.1(1) generator: amended, on 27 May 2015, by clause 4(2) of the Electricity Industry Participation Code Amendment (Industrial Co-generation Dispatch Arrangements) 2015.

Clause 1.1(1) generator: amended, on 5 October 2017, by clause 4(28) of the Electricity Industry Participation Code Amendment (Code Review Programme) 2017.

Clause 1.1(1) generator: amended, on 1 March 2024, by clause 4(11) of the Electricity Industry Participation Code Amendment (Code Review Programme) 2024.

generator retailer means a trader who is both a generator and a retailer and in any month of the financial year of the generator retailer:

  • (a) has sold to the clearing manager an amount of electricity at least equivalent to 5% of the total amount of electricity sold in any of those months by all generators who are traders to the clearing manager, as measured in MWh; and
  • (b) was recorded in the registry in any of those months as being responsible for at least 5% of the total number of ICPs registered in the registry with an ICP status of “Active”,—

and, for the purposes of this definition, the terms “trader”, “generator” and “retailer” include any related company, as defined in section 2 of the Companies Act 1993, of a participant provided that the related company is a participant

Clause 1.1(1) generator retailer: inserted, on 30 November 2021, by clause 4 of the Electricity Industry Participation Code Amendment (Internal Transfer Prices and Segmented Profitability Reporting) 2021.

good electricity industry practice in relation to transmission, means the exercise of that degree of skill, diligence, prudence, foresight and economic management, as determined by reference to good international practice, which would reasonably be expected from a skilled and experienced asset owner engaged in the management of a transmission network under conditions comparable to those applicable to the grid consistent with applicable law, safety and environmental protection. The determination is to take into account factors such as the relative size, duty, age and technological status of the relevant transmission network and the applicable law

Clause 1.1(1) good electricity industry practice: amended, on 20 December 2021, by clause 4(9)(a) and (b) of the Electricity Industry Participation Code Amendment (Code Review Programme) 2019.

grid means the system of transmission lines, substations and other works, including the HVDC link used to connect grid injection points and grid exit points to convey electricity throughout the North Island and the South Island of New Zealand

Clause 1.1(1) grid: amended, on 23 February 2015, by clause 75 of the Electricity Industry Participation Code Amendment (Distributed Generation) 2014.

Clause 1.1(1) grid: amended, on 1 February 2016, by clause 4(10) of the Electricity Industry Participation Code Amendment (Code Review Programme) 2015.

Clause 1.1(1) grid: amended, on 5 October 2017, by clause 4(29) of the Electricity Industry Participation Code Amendment (Code Review Programme) 2017.

grid economic investment report means the report prepared under clause 12.115, either as part of Transpower’s annual planning report or in some other form, if the Authority so determines

grid emergency means a situation where—

  • (a) in the reasonable opinion of the system operator, 1 or more of the events set out in clause 5(1) of Technical Code B of Schedule 8.3 has occurred, or is reasonably expected to occur and urgent action is required of the system operator or participants to alleviate the situation; or
  • (b) independent action (as set out in clause 9 of Technical Code B of Schedule 8.3) is required of a participant to alleviate the situation

grid exit point and GXP mean any point of connection on the grid

  • (a) at which electricity predominantly flows out of the grid; or
  • (b) determined as being such by the Authority following an application in accordance with clause 13.28,—

and such point of connection may, at any given time, be a grid exit point or a grid injection point, but may not be both at the same time

grid injection point and GIP mean any point of connection on the grid at which electricity predominantly flows into the grid. A point of connection may, at any given time, be a grid injection point or a grid exit point, but may not be both at the same time

grid interface means the assets used to make a connection to the grid (as the case may be), including associated protection, control and communication systems. The term includes the interface between assets forming part of the grid

Clause 1.1(1) grid interface: amended, on 23 February 2015, by clause 75 of the Electricity Industry Participation Code Amendment (Distributed Generation) 2014.

Clause 1.1(1) grid interface: amended, on 5 October 2017, by clause 4(30) of the Electricity Industry Participation Code Amendment (Code Review Programme) 2017.

grid owner means a person who owns or operates any part of the grid

grid reliability report means a report on grid reliability published by Transpower under clause 12.76(1)

grid reliability standards means standards for reliability of the grid developed in accordance with clauses 12.55 to 12.58, 12.61 and 12.62

grid zone area means a geographical area, which includes many nodes, as determined by the Authority and published under clause 13.221(1)

group constraint formula means the mathematical formula applied by the system operator, in accordance with Schedule 13.3, to constrain the energy flows on a group of transmission lines, transformers or both

Clause 1.1(1) group constraint formula: amended, on 1 February 2016, by clause 4(11) of the Electricity Industry Participation Code Amendment (Code Review Programme) 2015.

GST means goods and services tax payable under the Goods and Services Tax Act 1985

half hour means a thirty minute period ending on any hour or half hour, and half hourly has a corresponding meaning

half-hour metering means the process of measuring and recording information—

  • (a) relating to electricity conveyed; and
  • (b) during—
    • (i) an interval that is a trading period; or
    • (ii) intervals that can be aggregated to 1 trading period

Clause 1.1(1) half-hour metering: substituted, on 29 August 2013, by clause 4(2)(k) of the Electricity Industry Participation (Metering Arrangements) Code Amendment 2011.

half-hour metering information

  • (a) means information describing the quantity of electricity conveyed in each trading period that is—
    • (i) recorded directly by a metering installation; or
    • (ii) calculated or estimated using information recorded directly by a metering installation; and
  • (b) in respect of a generator that is selling electricity to the clearing manager and other persons at the same grid injection point in the same trading period, includes the file recording the quantity of electricity sold to the clearing manager during each such trading period constructed in accordance with dispatch instructions issued by the system operator under this Code.

Clause 1.1(1) half-hour metering information: substituted, on 19 December 2014, by clause 4(2) of the Electricity Industry Participation Code Amendment (Minor Code Amendments) (No 3) 2014.

half-hour metering installation means a metering installation used for half-hour metering

Clause 1.1(1) half-hour metering installation: amended, on 29 August 2013, by clause 4(2)(l) of the Electricity Industry Participation (Metering Arrangements) Code Amendment 2011.

hedge settlement agreement means an agreement between participants that provides for settlement by the clearing manager of payments for differences in respect of the price of electricity

Clause 1.1(1) hedge settlement agreement: amended, on 24 March 2015, by clause 4(1)(m) of the Electricity Industry Participation (Settlement and Prudential Security) Code Amendment 2013.

Clause 1.1(1) hedge settlement agreement: amended, on 1 April 2025, by clause 4(3) of the Electricity Industry Participation Code Amendment (Code Review Programme) 2025.

high spring washer price relaxation factor [Revoked]

Clause 1.1(1) high spring washer price relaxation factor: amended, on 21 September 2012, by clause 4(1) of the Electricity Industry Participation (High Spring Washer Price Situation) Code Amendment 2012.

Clause 1.1(1) high spring washer price relaxation factor: revoked, on 1 November 2022, by clause 4(2) of the Electricity Industry Participation Code Amendment (Real Time Pricing) 2022.

high spring washer price situation [Revoked]

Clause 1.1(1) high spring washer price situation: amended, on 21 September 2012, by clause 4(2) of the Electricity Industry Participation (High Spring Washer Price Situation) Code Amendment 2012.

Clause 1.1(1) high spring washer price situation: amended, on 5 October 2017, by clause 4(31) of the Electricity Industry Participation Code Amendment (Code Review Programme) 2017.

Clause 1.1(1) high spring washer price situation: revoked, on 1 November 2022, by clause 4(2) of the Electricity Industry Participation Code Amendment (Real Time Pricing) 2022.

high spring washer price situation methodology [Revoked]

Clause 1.1(1) high spring washer price situation methodology: amended, on 21 September 2012, by clause 4(3) of the Electricity Industry Participation (High Spring Washer Price Situation) Code Amendment 2012.

Clause 1.1(1) high spring washer price situation methodology: revoked, on 1 November 2022, by clause 4(2) of the Electricity Industry Participation Code Amendment (Real Time Pricing) 2022.

high spring washer price trigger ratio [Revoked]

Clause 1.1(1) high spring washer price trigger ratio: revoked, on 1 November 2022, by clause 4(2) of the Electricity Industry Participation Code Amendment (Real Time Pricing) 2022.

high voltage terminal means the point at which the higher voltage side of a grid owner’s transformer connects to the grid

Clause 1.1(1) high voltage terminal: amended, on 23 February 2015, by clause 75 of the Electricity Industry Participation Code Amendment (Distributed Generation) 2014.

Clause 1.1(1) high voltage terminal: amended, on 5 October 2017, by clause 4(32) of the Electricity Industry Participation Code Amendment (Code Review Programme) 2017.

historical annual consumption [Revoked]

Clause 1.1(1) historical annual consumption: revoked, on 1 November 2022, by clause 4(2) of the Electricity Industry Participation Code Amendment (Real Time Pricing) 2022.

historical estimate means, in relation to non half hour metered ICPs, volume information (in kWh)—

  • (a) apportioned to part or full consumption periods after having applied—
    • (i) the seasonal adjustment shape; or
    • (ii) any other profile that has, from time to time, been approved by the Authority for this purpose; or
    • (iii) any other profile permitted under clause 5 of Schedule 15.3; and
  • (b) being 1 of the following:
    • (i) the difference between 2 actual validated meter readings:
    • (ii) the difference between 2 permanent estimates:
    • (iii) any relevant unmetered load:
    • (iv) the difference between a validated meter reading and a permanent estimate

Clause 1.1(1) historical estimate: amended, on 1 February 2019, by clause 4(4) of the Electricity Industry Participation Code Amendment (Code Review Programme) 2018.

Clause 1.1(1) historical estimate: replaced, on 31 December 2021, by clause 4(10) of the Electricity Industry Participation Code Amendment (Code Review Programme) 2019.

hub means a node or group of nodes (and in the case of a group of nodes, nodes in the group may be given different weightings) identified as either hub A or hub B in an FTR

Clause 1.1(1) hub: inserted, on 1 October 2011, by clause 4(1) of the Electricity Industry Participation (Financial Transmission Rights) Code Amendment 2011.

HV, for the purposes of subparts 2, 6 and 7 of Part 12, means high voltage

HVDC component flows means the quantity of energy flow on each component of the HVDC link as calculated by the modelling system in accordance with the model formulation set out in the system operator's market operation service provider agreement (as amended from time to time)

HVDC injection point means the point at which electricity is injected into the North Island or the South Island from the HVDC link

HVDC link means the converter stations at Benmore in the South Island and Haywards in the North Island and the high voltage transmission lines and undersea cables linking them (and including all associated equipment)

Clause 1.1(1) HVDC link: amended, on 1 February 2016, by clause 4(12) of the Electricity Industry Participation Code Amendment (Code Review Programme) 2015.

HVDC link configuration means the following modes of operation of the HVDC link:

  • (a) [Revoked]
  • (b) Pole 2 only:
  • (c) Pole 3 only:
  • (d) [Revoked]
  • (e) Pole 3 and Pole 2 bipole round power:
  • (f) Pole 3 and Pole 2 bipole not round power

Clause 1.1 configuration: substituted, on 1 July 2012, by clause 4(2) of the Electricity Industry Participation (HVDC Pole 3 Minor Amendments) Code Amendment 2012

Clause 1.1(1) HVDC link configuration: amended, on 1 March 2024, by clause 4(4)(a) and (b) of the Electricity Industry Participation Code Amendment (Code Review Programme) 2024.

Clause 1.1(1) HVDC link configuration (a) and(d): revoked, on 1 March 2024, by clause 4(4)(c) and (d) of the Electricity Industry Participation Code Amendment (Code Review Programme) 2024

HVDC owner means the grid owner who owns and/or operates the HVDC link

HVDC risk offsets means the values by which HVDC flows are adjusted by the system operator to determine the relevant reserve risk on the HVDC link

ICP means an installation control point being 1 of the following:

  • (a) a point of connection at which the electrical facility for a retailer's customer is connected to a network other than the grid:
  • (b) a point of connection between a network and an embedded network:
  • (c) a point of connection between a network and shared unmetered load:
  • (d) a point of connection at which the electrical facility for a generator or direct purchaser is connected to a network other than the grid

Clause 1.1(1) ICP: amended, on 23 February 2015, by clause 75 of the Electricity Industry Participation Code Amendment (Distributed Generation) 2014.

Clause 1.1(1) ICP: amended, on 5 October 2017, by clause 4(33) of the Electricity Industry Participation Code Amendment (Code Review Programme) 2017.

Clause 1.1(1) ICP: amended, on 1 November 2018, by clause 4(5) of the Electricity Industry Participation Code Amendment (Code Review Programme) 2018.

Clause 1.1(1) ICP: amended, on 1 March 2024, by clause 4(12) of the Electricity Industry Participation Code Amendment (Code Review Programme) 2024.

Clause 1.1(1) ICP: amended, on 1 April 2025, by clause 4(4) of the Electricity Industry Participation Code Amendment (Code Review Programme) 2025.

ICP day means any day when an ICP with the installation type L or B is recorded on the registry as having the status of Active

Clause 1.1(1) ICP day: amended, on 5 October 2017, by clause 4(34) of the Electricity Industry Participation Code Amendment (Code Review Programme) 2017.

ICP identifier means a unique identifier for an ICP created by a distributor in accordance with clause 1 of Schedule 11.1

identification costs means any reasonable identification and testing costs incurred by the system operator in accordance with clause 8.3 that are unable to be recovered from participants by the system operator

incremental costs, for the purpose of Part 6, means:

  • (a) the reasonable additional costs (which include any reasonable additional transmission costs) that an efficient distributor would incur in providing electricity distribution services to distributed generation; minus
  • (b) the distribution costs (which do not include any transmission costs) that an efficient distributor would be able to avoid as a result of the electrical connection of the distributed generation.

Clause 1.1(1) incremental costs: inserted, on 23 February 2015, by clause 4(12) of the Electricity Industry Participation Code Amendment (Distributed Generation) 2014.

Clause 1.1(1) incremental costs: amended, on 5 October 2017, by clause 4(35) of the Electricity Industry Participation Code Amendment (Code Review Programme) 2017.

Clause 1.1(1) incremental costs: amended, on 1 April 2023, by clause 4 of the Electricity Industry Participation Code Amendment (Avoided Cost of Transmission) 2022.

industrial co-generating station means a generating station that —

  • (a) [Revoked]
  • (b) is reliant on a co-located industrial process because—
    • (i) it derives its fuel source from that co-located industrial process; or
    • (ii) it provides some or all of the electricity that it generates to that co-located industrial process; or
    • (iii) it provides some or all of any by-product of generating electricity to that co-located industrial process; and
  • (c) is tightly coupled to an industrial process; and
  • (d) has been approved by the Authority under clause 8(1)(a) of Schedule 13.4

Clause 1.1(1) industrial co-generating station: amended, on 23 February 2015, by clause 75 of the Electricity Industry Participation Code Amendment (Distributed Generation) 2014.

Clause 1.1(1) industrial co-generating station: amended, on 27 May 2015, by clause 4(3)(a) of the Electricity Industry Participation Code Amendment (Industrial Co-generation Dispatch Arrangements) 2015.

Clause 1.1(1) industrial co-generating station paragraph (a): revoked, on 27 May 2015, by clause 4(3)(b) of the Electricity Industry Participation Code Amendment (Industrial Co-generation Dispatch Arrangements) 2015.

Clause 1.1(1) industrial co-generating station paragraph (b): amended, on 27 May 2015, by clause 4(3)(c) of the Electricity Industry Participation Code Amendment (Industrial Co-generation Dispatch Arrangements) 2015.

Clause 1.1(1) industrial co-generating station paragraph (c): amended, on 27 May 2015, by clause 4(3)(d) of the Electricity Industry Participation Code Amendment (Industrial Co-generation Dispatch Arrangements) 2015.

Clause 1.1(1) industrial co-generating station paragraph (d): amended, on 27 May 2015, by clause 4(3)(e) of the Electricity Industry Participation Code Amendment (Industrial Co-generation Dispatch Arrangements) 2015.

industrial process means a process that has a primary purpose of producing an output other than electricity

infeasibility situation [Revoked]

Clause 1.1(1) infeasibility situation: revoked, on 1 November 2022, by clause 4(2) of the Electricity Industry Participation Code Amendment (Real Time Pricing) 2022.

information system [Revoked]

Clause 1.1(1) information system: revoked, on 5 October 2017, by clause 4(60) of the Electricity Industry Participation Code Amendment (Code Review Programme) 2017.

inherent characteristics means the permanent and fundamental characteristics of an asset that are outside the reasonable control of the asset owner and affect the output or response of that asset and includes the effects of water temperature, ambient air temperature and performance during ramping on asset performance

initial application, for the purposes of Part 6, means an application under clause 11 of Schedule 6.1

initial estimate [Revoked]

Clause 1.1(1) initial estimate: revoked, on 1 November 2022, by clause 4(2) of the Electricity Industry Participation Code Amendment (Real Time Pricing) 2022.

injection means the flow of electricity into a network

input connection contract [Revoked]

Clause 1.1(1) input connection contract: amended, on 23 February 2015, by clause 75 of the Electricity Industry Participation Code Amendment (Distributed Generation) 2014.

Clause 1.1(1) input connection contract: amended, on 5 October 2017, by clause 4(36) of the Electricity Industry Participation Code Amendment (Code Review Programme) 2017.

Clause 1.1(1) input connection contract: revoked, on 1 April 2023, by clause 4 of the Electricity Industry Participation Code Amendment (Transmission Pricing Methodology Related Amendments) (No 2) 2022.

input information [Revoked]

Clause 1.1(1) input information: revoked, on 1 November 2022, by clause 4(2) of the Electricity Industry Participation Code Amendment (Real Time Pricing) 2022.

installation type means a category based on whether an ICP consumes electricity, generates electricity, or both consumes and generates electricity

instantaneous reserve means an ancillary service provided to balance the injection of electricity into the grid with the offtake of electricity from the grid following a drop in system frequency to the level specified in the procurement plan, comprising 1 or more of the following:

  • (a) interruptible load:
  • (b) generation reserve

Clause 1.1(1) instantaneous reserve: amended, on 3 May 2022, by clause 4(3)(b) of the Electricity Industry Participation Code Amendment (Enabling Energy Storage Systems to Offer Instantaneous Reserve) 2022.

interconnecting transformer means a transformer (other than a transformer that is required to supply demand to distributors or direct consumers) that allows for the transfer of power within the grid between any of the following voltage levels:

  • (a) 220kV:
  • (b) 110kV:
  • (c) 66kV:
  • (d) 50kV

interconnection asset, for the purposes of subparts 2, 6 and 7 of Part 12—

  • (a) has the meaning set out in the transmission pricing methodology; and
  • (b) includes the HVDC link

interconnection branch means an interconnection circuit branch, and an interconnection transformer branch

interconnection circuit branch means a circuit branch that comprises or includes interconnection assets

interconnection point means a point of connection between—

  • (a) a local network and any other local network; or
  • (b) an embedded network that is not a gateway NSP and a local network; or
  • (c) an embedded network that is not a gateway NSP and any other embedded network

Clause 1.1(1) interconnection point: substituted, on 29 August 2013, by clause 4(2)(m) of the Electricity Industry Participation (Metering Arrangements) Code Amendment 2011.

interconnection transformer branch means a transformer branch comprising interconnection assets

interim certified metering installation means a metering installation referred to in clause 10.51(3)(a)(i)

Clause 1.1(1) interim certified metering installation: inserted, on 29 August 2013, by clause 4(1) of the Electricity Industry Participation (Metering Arrangements) Code Amendment 2011.

interim marginal location factor means the factor that is determined by dividing the interim price at any grid exit point or grid injection point by the interim price at the relevant reference point

interim price means a price in dollars and cents for each grid injection point and each grid exit point, determined in accordance with the methodology specified in clause 13.134A, and includes a revised interim price made available on WITS by the clearing manager under clause 13.177(b)

Clause 1.1(1) interim price: amended, on 1 November 2022, by clause 4(7) of the Electricity Industry Participation Code Amendment (Real Time Pricing) 2022.

interim reserve price means a price in dollars and cents for fast instantaneous reserve and sustained instantaneous reserve, determined in each island in accordance with the methodology specified in clause 13.134A, and includes a revised interim reserve price made available on WITS by the clearing manager under clause 13.177(b)

Clause 1.1(1) interim reserve price: amended, on 5 October 2017, by clause 4(37) of the Electricity Industry Participation Code Amendment (Code Review Programme) 2017.

Clause 1.1(1) interim reserve price: amended, on 1 November 2022, by clause 4(8) of the Electricity Industry Participation Code Amendment (Real Time Pricing) 2022.

intermittent generating station means a generating station that relies on a variable resource that is not stored and in respect of which a generator has not been approved by the system operator under clause 13.3F as a dispatch notification generator

Clause 1.1(1) intermittent generating station: amended, on 20 March 2020, by clause 4(3) of the Electricity Industry Participation Code Amendment (Broadening Definitions of Generating Unit and Intermittent Generating Station) 2020

Clause 1.1(1) intermittent generating station: amended, on 1 November 2022, by clause 4(9) of the Electricity Industry Participation Code Amendment (Real Time Pricing) 2022.

intermittent generator means the owner of an intermittent generating station. To avoid doubt, clauses referring to an intermittent generator apply only to the intermittent generating stations owned by the intermittent generator

interposed arrangement means an arrangement between a distributor and a trader under which the distributor

  • (a) conveys electricity to 1 or more consumers on the distributor's network; and
  • (b) does not have a contract in respect of the conveyance of electricity with that consumer or those consumers

Clause 1.1(1) interposed arrangement: inserted, on 20 July 2020, by clause 4(3) of the Electricity Industry Participation Code Amendment (Default Distributor Agreement) 2020.

interrogation means the extraction or manual reading of stored data from a metering installation and interrogated and interrogating have corresponding meanings

Clause 1.1(1) interrogation: amended, on 29 August 2013, by clause 4(2)(n) of the Electricity Industry Participation (Metering Arrangements) Code Amendment 2011.

interruptible load means a form of instantaneous reserve comprised of demand that is able to be reduced to provide fast instantaneous reserve or sustained instantaneous reserve following a drop in system frequency, in accordance with the procurement plan

Clause 1.1(1) interruptible load: amended, on 5 October 2017, by clause 4(38) of the Electricity Industry Participation Code Amendment (Code Review Programme) 2017.

Clause 1.1(1) interruptible load: amended, on 3 May 2022, by clause 4(3)(c) of the Electricity Industry Participation Code Amendment (Enabling Energy Storage Systems to Offer Instantaneous Reserve) 2022.

interruptible load group GXP means the grid exit point, as approved by the system operator (such approval not to be unreasonably withheld), at which a reserve offer for interruptible load comprises the aggregate quantity of interruptible load available at a number of specified grid exit points for the purposes of offer and dispatch

interruption, for the purposes of Part 12, means an interruption in the conveyance of electricity between assets owned or operated by a designated transmission customer and the grid assets owned by Transpower at a point of connection, other than an interruption by reason of Transpower being directed to electrically disconnect a point of connection by the Authority or the Rulings Panel under the Act or this Code or by any other person authorised to do so by this Code

Clause 1.1(1) interruption: amended, on 5 October 2017, by clause 4(39) of the Electricity Industry Participation Code Amendment (Code Review Programme) 2017.

investment contracts means contracts for investments that are agreed between Transpower and a designated transmission customer

island means the South Island or the North Island of New Zealand (as the case may be)

island GWAP [Revoked]

Clause 1.1(1) island GWAP: inserted, on 1 June 2013, by clause 4(a) of the Electricity Industry Participation (Scarcity Pricing) Code Amendment 2011.

Clause 1.1(1) island GWAP: revoked, on 1 November 2022, by clause 4(2) of the Electricity Industry Participation Code Amendment (Real Time Pricing) 2022.

island scarcity pricing situation [Revoked]

Clause 1.1(1) island scarcity pricing situation: inserted, on 1 June 2013, by clause 4(a) of the Electricity Industry Participation (Scarcity Pricing) Code Amendment 2011.

Clause 1.1(1) island scarcity pricing situation: revoked, on 1 November 2022, by clause 4(2) of the Electricity Industry Participation Code Amendment (Real Time Pricing) 2022.

island shortage situation [Revoked]

island shortage situation: inserted, on 1 June 2013, by clause 4(a) of the Electricity Industry Participation (Scarcity Pricing) Code Amendment 2011.

Clause 1.1(1) island shortage situation: revoked, on 1 November 2022, by clause 4(2) of the Electricity Industry Participation Code Amendment (Real Time Pricing) 2022.

ITP information means information on internal transfer pricing as described in clause 13.256

Clause 1.1(1) ITP information: inserted, on 30 November 2021, by clause 4 of the Electricity Industry Participation Code Amendment (Internal Transfer Prices and Segmented Profitability Reporting) 2021.

line function services has the meaning given to it by section 5 of the Act

Clause 1.1(1) line function services: substituted, on 1 February 2016, by clause 4(1)(e) of the Electricity Industry Participation Code Amendment (Code Review Programme) 2015.

line owner, for the purposes of the definition of specified participant, means a person who owns works that are used or intended to be used for the conveyance of electricity

Clause 1.1(1) line owner: amended, on 21 September 2012, by clause 4(5) of the Electricity Industry Participation (Minor Amendments) Code Amendment 2012.

lines has the meaning given to it by section 5 of the Act

Clause 1.1(1) lines: amended, on 23 February 2015, by clause 4(9) of the Electricity Industry Participation Code Amendment (Distributed Generation) 2014.

Clause 1.1(1) lines: substituted, on 1 February 2016, by clause 4(1)(f) of the Electricity Industry Participation Code Amendment (Code Review Programme) 2015.

livening [Revoked]

Clause 1.1(1) livening: inserted, on 29 August 2013, by clause 4(1) of the Electricity Industry Participation (Metering Arrangements) Code Amendment 2011.

Clause 1.1(1) livening: revoked, on 29 August 2013, by clause 4(2) of the Electricity Industry Participation (Metering Arrangements) Code Amendment 2011, Amendment 2013 (No 2).

load weighted contract price means, in respect of a risk management contract, a price that has, in accordance with clause 13.220, been calculated, load weighted, adjusted to a location factor for the relevant grid zone area, and corrected for losses, for the purposes of subpart 5 of Part 13

Clause 1.1(1) load weighted contract price: inserted, on 30 October 2024, by clause 4(8) of the Electricity Industry Participation Code Amendment (Hedge Disclosure Obligations) 2024.

local authority, for the purposes of Part 6, means a territorial authority within the meaning of the Local Government Act 2002

local losses means losses applying to the conveyance of electricity over a local network or an embedded network

local network means the lines, equipment and plant that are used to convey electricity between the grid and 1 of the following:

  • (a) an embedded generator:
  • (b) an embedded network:
  • (c) an ICP

Clause 1.1(1) local network: amended, on 1 February 2016, by clause 4(13) of the Electricity Industry Participation Code Amendment (Code Review Programme) 2015.

location factor, for the purposes of subpart 5 of Part 13, means the location factor calculated in accordance with clause 13.221(2)

losing metering equipment provider means, for the purposes of Parts 10 and 11, the existing metering equipment provider responsible for each metering installation for a point of connection at which there is a gaining metering equipment provider

Clause 1.1(1) losing metering equipment provider: inserted, on 29 August 2013, by clause 4(1) of the Electricity Industry Participation (Metering Arrangements) Code Amendment 2011.

losing retailer is defined as set out in the definition of gaining retailer

Clause 1.1(1) losing retailer: inserted, on 31 March 2020, by clause 4 of the Electricity Industry Participation Code Amendment (Prohibition of Save and Win-Back Approaches by Losing Retailers During a Switch Protected Period) 2020.

loss adjusted demand [Revoked]

Clause 1.1(1) loss adjusted demand: revoked, on 1 November 2022, by clause 4(2) of the Electricity Industry Participation Code Amendment (Real Time Pricing) 2022.

loss and constraint excess means the difference between purchaser and generator payments as defined in clause 14.16

Clause 1.1(1) loss and constraint excess: amended, on 24 March 2015, by clause 4(1)(n) of the Electricity Industry Participation (Settlement and Prudential Security) Code Amendment 2013.

loss category means the relevant code in the schedule published by the registry manager that identifies the relevant loss factors that apply to submission information or dispatchable load information

Clause 1.1(1) loss category: amended, on 15 May 2014, by clause 5(3) of the Electricity Industry Participation (Modified Dispatchable Demand) Code Amendment 2013.

Clause 1.1(1) loss category: amended, on 5 October 2017, by clause 4(40) of the Electricity Industry Participation Code Amendment (Code Review Programme) 2017.

loss compensation means the application of a predetermined adjustment or process to the data within, or obtained from, a metering component or metering installation in order to correct such data for known losses in primary plant (such as power transformers and cables)

Clause 1.1(1) loss compensation: amended, on 29 August 2013, by clause 4(2)(o) of the Electricity Industry Participation (Metering Arrangements) Code Amendment 2011.

losses means the difference between the delivered electricity at a point of connection and the electricity required to be injected into an other point of connection in order to supply the delivered electricity

loss factor means the factor, identified by reference to a loss category within the registry, to be applied to submission information or dispatchable load information to obtain adjusted for losses information at the relevant NSP, which factor is—

  • (a) as set out in the report to be provided by the registry in accordance with clause 11.26(b); or
  • (b) if a report has not been provided by the registry, as directed by the Authority under clause 15.20B(3) or 15(1) of Schedule 15.4

Clause 1.1(1) loss factor: amended, on 15 May 2014, by clause 5(4) of the Electricity Industry Participation (Modified Dispatchable Demand) Code Amendment 2013.

loss of communication means a sustained disruption of communications between the system operator and 1 or more generators, ancillary service agents, North Island connected asset owners, South Island grid owners, or dispatchable load purchasers such that operation of the grid is affected or is likely to be affected

Clause 1.1(1) loss of communication: amended, on 1 November 2018, by clause 4(6) of the Electricity Industry Participation Code Amendment (Code Review Programme) 2018.

Clause 1.1(1) loss of communication: amended, on 21 December 2021, by clause 4(4) of the Electricity Industry Participation Code Amendment (Automatic Under-Frequency Load Shedding Systems) 2021.

LV, for the purposes of subparts 2, 6 and 7 of Part 12, means low voltage

main protection system means a protection system that detects 1 or more types of faults and electrically disconnects a faulted asset from the grid with the least possible disruption to the grid and non-faulted assets

Clause 1.1(1) main protection system: amended, on 5 October 2017, by clause 4(41) of the Electricity Industry Participation Code Amendment (Code Review Programme) 2017.

maintain, for the purposes of Part 6, includes to repair, and maintenance has a corresponding meaning

major participant means—

  • (a) a generator who is subject to dispatch or a generator with aggregated national generation capacity in excess of 30MW; or
  • (b) an ancillary service agent providing frequency keeping or instantaneous reserve; or
  • (c) a direct purchaser; or
  • (d) a grid owner

Clause 1.1(1) major participant: inserted, on 1 April 2021, by clause 4(1) of the Electricity Industry Participation Code Amendment (Reporting on Wholesale Market Information Disclosure) 2020.

manufacturer’s specification, for the purposes of Part 12, means the specifications for an asset, as stated by the manufacturer

market administrator [Revoked]

Clause 1.1(1) market administrator: revoked, on 5 October 2017, by clause 4(60) of the Electricity Industry Participation Code Amendment (Code Review Programme) 2017.

market operation service provider has the meaning given to it in section 5 of the Act

market operation service provider agreement means the agreement entered into between the Authority and a market operation service provider for the provision of services for the purposes of this Code

mass market customers means all those customers of a generator retailer or retailer who the generator retailer or retailer classifies as mass market or who are commonly understood to be mass market customers in accordance with standard industry practice

Clause 1.1(1) mass market customers: inserted, on 30 November 2021, by clause 4 of the Electricity Industry Participation Code Amendment (Internal Transfer Prices and Segmented Profitability Reporting) 2021.

materially large contract, for the purposes of subpart 7 of Part 13, has the meaning given to it by clause 13.268

Clause 1.1(1) materially large contract: inserted, on 19 August 2022, by clause 4(1) of the Electricity Industry Participation Code Amendment (Restrictions on Materially Large Contracts) 2022.

Clause 1.1(1) materially large contract: revoked, on 18 May 2023, by clause 2(2) of the Electricity Industry Participation Code Amendment (Restrictions on Materially Large Contracts) 2023.

Clause 1.1(1) materially large contract: inserted, on 19 May 2023, by clause 4(1) of the Electricity Industry Participation Code Amendment (Restrictions on Materially Large Contracts) 2023.

maximum continuous rating means the maximum electrical performance of an asset that can be maintained continuously in normal service

maximum export power means the maximum active power exported into the local network or embedded network at an ICP of a distributed generator, and is equal to—

  • (a) the nameplate capacity of the distributed generation minus the minimum load at the point of connection; or
  • (b) the power export limit imposed by an active export control device

Clause 1.1(1) maximum export power: inserted, on 1 September 2021, by clause 4(2) of the Electricity Industry Participation Code Amendment (Application for Distributed Generation) 2021. Note:

Paragraph maximum export power automatically revokes on the close of 1 September 2026 under clause 8 of the Electricity Industry Participation Code Amendment (Application for Distributed Generation) 2021.

maximum South Island frequency means the maximum frequency permitted in the South Island, which is 55 Hertz

measuring transformer means—

  • (a) a current transformer; or
  • (b) a voltage transformer; or
  • (c) both a current transformer and a voltage transformer

Clause 1.1(1) measuring transformer: inserted, on 29 August 2013, by clause 4(1) of the Electricity Industry Participation (Metering Arrangements) Code Amendment 2011.

meter means a device that measures either or both of the following—

(a) active energy:

(b) reactive energy

Clause 1.1(1) meter: substituted, on 29 August 2013, by clause 4(2)(p) of the Electricity Industry Participation (Metering Arrangements) Code Amendment 2011.

meter reading means a meter register value or the equivalent, obtained from raw meter data or such other reading as detailed in clause 3(1) of Schedule 15.2, which is not an estimated reading

metering means the process used to measure electricity conveyed

Clause 1.1(1) metering: inserted, on 29 August 2013, by clause 4(1) of the Electricity Industry Participation (Metering Arrangements) Code Amendment 2011.

metering component means a component of a metering installation including—

  • (a) a measuring transformer:
  • (b) all wiring and intermediate terminals in the metering installation:
  • (c) a control device:
  • (d) a meter:
  • (e) a data storage device:
  • (f) a test facility:
  • (g) a fuse:
  • (h) a circuit breaker:
  • (i) communication equipment:
  • (j) an error compensation device

Clause 1.1(1) metering component: inserted, on 29 August 2013, by clause 4(1) of the Electricity Industry Participation (Metering Arrangements) Code Amendment 2011.

metering data means, in relation to a metering installation,—

(a) all metering records about the metering installation; and

(b) all raw meter data obtained from the metering installation

Clause 1.1(1) metering data: inserted, on 29 August 2013, by clause 4(1) of the Electricity Industry Participation (Metering Arrangements) Code Amendment 2011.

metering equipment owner means the participant who owns any or all of the items of metering equipment installed in a metering installation

metering equipment provider has the meaning given to it in section 5 of the Act

Clause 1.1(1) metering equipment provider: inserted, on 29 August 2013, by clause 4(1) of the Electricity Industry Participation (Metering Arrangements) Code Amendment 2011.

metering information means the quantity of electricity measured by a metering installation and adjusted for local losses (if relevant) to represent the equivalent amount of electricity at the point of connection with the grid and consolidated into a single quantity per trading period

metering infrastructure means, in relation to a metering installation,—

  • (a) the metering installation:
  • (b) if a back office process is necessary, the metering equipment owner’s back office for the metering installation:
  • (c) a system that collects and sends information to or from the metering installation

Clause 1.1(1) metering infrastructure: inserted, on 29 August 2013, by clause 4(1) of the Electricity Industry Participation (Metering Arrangements) Code Amendment 2011.

metering installation means—

(a) equipment, including all metering components, used, or intended to be used, for metering:

(b) in the context of unmetered load, the calculation process used to derive the quantity of unmetered load:

(c) in the context of instances of both metered electricity quantities and unmetered load, both (a) and (b)

Clause 1.1(1) metering installation: substituted, on 29 August 2013, by clause 4(2)(q) of the Electricity Industry Participation (Metering Arrangements) Code Amendment 2011.

Clause 1.1(1) metering installation: inserted, on 1 February 2016, by clause 4(14) of the Electricity Industry Participation Code Amendment (Code Review Programme) 2015.

metering records means all specifications for, attributes of, and information relating to or concerning, a metering installation (other than raw meter data), including—

  • (a) the relevant records of the metering equipment provider responsible for the metering installation:
  • (b) the relevant records of each ATH who certified the metering installation or any metering component of the metering installation:
  • (c) all factors applied in a meter in the metering installation and relating to that data (for example the k factor and m factor):
  • (d) the metering installation's maintenance and repair history and requirements:
  • (e) details of each metering component in the metering installation including information about its ownership:
  • (f) all certification reports and supporting documents and records

Clause 1.1(1) metering records: inserted, on 29 August 2013, by clause 4(1) of the Electricity Industry Participation (Metering Arrangements) Code Amendment 2011.

metering situation [Revoked]

Clause 1.1(1) metering situation: substituted, on 15 May 2014, by clause 5(2) of the Electricity Industry Participation (Modified Dispatchable Demand) Code Amendment 2013.

Clause 1.1(1) metering situation paragraph (a)(v): inserted, on 27 May 2015, by clause 4(4) of the Electricity Industry Participation Code Amendment (Industrial Co-generation Dispatch Arrangements) 2015.

Clause 1.1(1) metering situation paragraph (a)(iv): amended, at 12.00 pm on 19 September 2019, by clause 3(a) and (b) of the Electricity Industry Participation Code Amendment (Wind Offer Arrangements) 2019.

Clause 1.1(1) metering situation: revoked, on 1 November 2022, by clause 4(2) of the Electricity Industry Participation Code Amendment (Real Time Pricing) 2022.

metering testing requirements [Revoked]

Clause 1.1(1) metering testing requirements: revoked, on 29 August 2013, by clause 4(3) of the Electricity Industry Participation (Metering Arrangements) Code Amendment 2011.

metering standards means the metering requirements set out in the Schedules to Part 10

Clause 1.1(1) metering standards: substituted, on 29 August 2013, by clause 4(2)(r) of the Electricity Industry Participation (Metering Arrangements) Code Amendment 2011.

metrology layer means a part of a metering installation used for either or both of the following:

  • (a) measuring and recording electricity conveyed; or
  • (b) recording event logs

Clause 1.1(1) metrology layer: inserted, on 29 August 2013, by clause 4(1) of the Electricity Industry Participation (Metering Arrangements) Code Amendment 2011.

minimum South Island frequency means the minimum frequency permitted in the South Island, which is 45 Hertz

model formulation means the model from which software specifications have been developed for the system operator

modelled projects means transmission augmentation projects and non-transmission projects that are reasonably expected to occur within the time period for which the assessment of costs and benefits under a net benefits test set out in Part 12 is undertaken

momentary fluctuations [Revoked]

Clause 1.1(1) momentary fluctuations: revoked, on 19 May 2016, by clause 4(1) of the Electricity Industry Participation Code Amendment (System Operator and Alignment with Statutory Objective) 2016.

MV, for the purposes of subparts 2, 6 and 7 of Part 12, means medium voltage

MW means a megawatt of electrical power

MWh means a megawatt hour of electrical energy

N-1 criterion means that, with all assets that are reasonably expected to be in service, the power system would be in a secure state

nameplate capacity means the lesser of—

(a) the full-load continuous rating of generating plant under conditions specified by its designer in MW or kilowatts; or

(b) the full-load continuous rating of the generating plant’s inverter (if any) under conditions specified by its designer in MW or kilowatts

Clause 1.1(1) nameplate capacity: inserted, on 23 February 2015, by clause 4(12) of the Electricity Industry Participation Code Amendment (Distributed Generation) 2014.

national grid [Revoked]

Clause 1.1(1) national grid: revoked, on 23 February 2015, by clause 4(11) of the Electricity Industry Participation Code Amendment (Distributed Generation) 2014.

national GWAP [Revoked]

Clause 1.1(1) national GWAP: inserted, on 1 June 2013, by clause 4(a) of the Electricity Industry Participation (Scarcity Pricing) Code Amendment 2011.

Clause 1.1(1) national GWAP: revoked, on 1 November 2022, by clause 4(2) of the Electricity Industry Participation Code Amendment (Real Time Pricing) 2022.

national holiday means any day on which any of the following are observed as a statutory holiday:

  • (a) Good Friday:
  • (b) Easter Monday:
  • (c) ANZAC Day:
  • (d) the birthday of the reigning Sovereign (observed on the first Monday in June):
  • (da) Te Rā Aro ki a Matariki/Matariki Observance Day:
  • (e) Labour Day:
  • (f) Christmas Day:
  • (g) Boxing Day:
  • (h) New Year’s Day:
  • (i) the day after New Year’s Day:
  • (j) Waitangi Day

Clause 1.1(1) national holiday: amended, on 1 March 2024, by clause 4(13) of the Electricity Industry Participation Code Amendment (Code Review Programme) 2024.

national scarcity pricing situation [Revoked]

Clause 1.1(1) national scarcity pricing situation: inserted, on 1 June 2013, by clause 4(a) of the Electricity Industry Participation (Scarcity Pricing) Code Amendment 2011.

Clause 1.1(1) national scarcity pricing situation: revoked, on 1 November 2022, by clause 4(2) of the Electricity Industry Participation Code Amendment (Real Time Pricing) 2022.

national shortage situation [Revoked]

Clause 1.1(1) national shortage situation: inserted, on 1 June 2013, by clause 4(a) of the Electricity Industry Participation (Scarcity Pricing) Code Amendment 2011.

Clause 1.1(1) national shortage situation: revoked, on 1 November 2022, by clause 4(2) of the Electricity Industry Participation Code Amendment (Real Time Pricing) 2022.

negative sequence voltage means a measure of difference in magnitude and phase angle in each phase

net grid exit point [Revoked]

Clause 1.1(1) net grid exit point: revoked, on 1 November 2022, by clause 4(2) of the Electricity Industry Participation Code Amendment (Real Time Pricing) 2022.

net grid injection point [Revoked]

Clause 1.1(1) net grid injection point: revoked, on 1 November 2022, by clause 4(2) of the Electricity Industry Participation Code Amendment (Real Time Pricing) 2022.

net purchase quantity assessment means the quantity of an ancillary service derived from the following formula:

a = b – c

where

a is the net purchase quantity of the ancillary service to be procured by the system operator in accordance with the procurement plan

b is the gross amount of an ancillary service that the system operator believes is required in order to meet the principal performance objectives;

c is the amount of the ancillary service that is made available to the system operator under alternative ancillary service arrangements

network means, except in Part 6A, the grid, a local network or an embedded network

Clause 1.1(1) network: amended, on 1 March 2024, by clause 4(14) of the Electricity Industry Participation Code Amendment (Code Review Programme) 2024.

new investment agreement contracts means contracts entered into before 1 April 2008 between Transpower and its customers, under which Transpower agrees to provide new or upgraded plant and the customer agrees to pay charges based on Transpower's cost of providing the new or upgraded plant

New Zealand daylight time means New Zealand daylight time declared by Order in Council under section 4 of the Time Act 1974

New Zealand standard time has the meaning given to it by section 2 of the Time Act 1974

node means—

  • (a) a bus; or
  • (b) a location at which an electrical link that is not part of or does not contain a transformer, diverges or terminates (such as a "tee" point or a deviation); or
  • (c) a point at a substation at which 2 or more electrical links join at which there is no bus

nominal voltage means the voltage at which particular equipment is designed to operate under normal circumstances

nominated bid

  • (a) [Revoked]
  • (b) [Revoked]
  • (c) [Revoked]
  • (d) means the information that a purchaser submits to the system operator under clause 13.7 to indicate a reasonable estimate of the—
    • (i) electricity that the purchaser will purchase for a dispatch-capable load station at a GXP; or
    • (ii) non-dispatch-capable load that the purchaser will purchase at a nonconforming GXP; and
  • (e) includes a deemed nominated bid under clause 13.8A

Clause 1.1(1) nominated bid: inserted, on 28 June 2012, by clause 4(a) of the Electricity Industry Participation (Demand-side Bidding and Forecasting) Code Amendment 2011.

Clause 1.1(1) nominated bid: amended, on 15 May 2014, by clause 5(5) of the Electricity Industry Participation (Modified Dispatchable Demand) Code Amendment 2013.

Clause 1.1(1) nominated bid: amended, on 19 December 2014, by clause 4(3) of the Electricity Industry Participation Code Amendment (Minor Code Amendments) (No 3) 2014.

Clause 1.1(1) nominated bid paragraph (d): amended, on 29 June 2017, by clause 4(4) of the Electricity Industry Participation Code Amendment (Shortened Gate Closure and Revised Bid and Offer Provisions) 2017.

nominated dispatch bid means a nominated bid that a purchaser submits to the system operator in relation to a dispatch-capable load station that the purchaser is making available to be dispatched

Clause 1.1(1) nominated dispatch bid: inserted, on 15 May 2014, by clause 5(1) of the Electricity Industry Participation (Modified Dispatchable Demand) Code Amendment 2013.

nominated non-dispatch bid means a nominated bid that a purchaser submits to the system operator in relation to—

  • (a) non-dispatch-capable load at a non-conforming GXP; or
  • (b) a dispatch-capable load station that the purchaser is not making available to be dispatched

Clause 1.1(1) nominated non-dispatch bid: inserted, on 15 May 2014, by clause 5(1) of the Electricity Industry Participation (Modified Dispatchable Demand) Code Amendment 2013.

non-conforming GXP means a GXP that has been determined by the Authority to be a non-conforming GXP under clause 13.27A or 13.27B(4)

Clause 1.1(1) non-conforming GXP: inserted, on 28 March 2012, by clause 4(a) of the Electricity Industry Participation (Demand-side Bidding and Forecasting) Code Amendment 2011.

non-dispatch-capable load means a quantity of electricity purchased at a GXP that is not purchased for 1 or more dispatch-capable load stations

Clause 1.1(1) non-dispatch-capable load: inserted, on 15 May 2014, by clause 5(1) of the Electricity Industry Participation (Modified Dispatchable Demand) Code Amendment 2013.

non half-hour metering means the process of measuring and recording information—

  • (a) relating to electricity conveyed; and
  • (b) at intervals that are greater than 1 trading period

Clause 1.1(1) non half-hour metering: inserted, on 29 August 2013, by clause 4(1) of the Electricity Industry Participation (Metering Arrangements) Code Amendment 2011.

non half-hour metering installation means a metering installation used for non half-hour metering

Clause 1.1(1) non half-hour metering installation: inserted, on 29 August 2013, by clause 4(1) of the Electricity Industry Participation (Metering Arrangements) Code Amendment 2011.

non-response schedule means the schedule prepared by the system operator

  • (a) under clause 13.58(1)(b); and
  • (b) for the purpose of assisting generators, purchasers, consumers, ancillary service agents, and grid owners to manage their resources

Clause 1.1(1) non-response schedule: inserted, on 28 June 2012, by clause 4(a) of the Electricity Industry Participation (Demand-side Bidding and Forecasting) Code Amendment 2011.

non-transmission projects includes investments in any of the following:

  • (a) generation:
  • (b) energy efficiency:
  • (c) demand-side management:
  • (d) local network augmentation:
  • (e) improvements to the systems and processes of the system operator:
  • (f) the provision of ancillary services

normal band means a frequency band between 49.8 Hertz and 50.2 Hertz (both inclusive)

notified planned outage, for the purposes of Technical Code D of Schedule 8.3, means any planned outage for which the asset owner has given notice to the system operator in accordance with Technical Code D of Schedule 8.3

Clause 1.1(1) notified planned outage: amended, on 23 February 2015, by clause 75 of the Electricity Industry Participation Code Amendment (Distributed Generation) 2014.

Clause 1.1(1) notified planned outage: replaced, on 5 October 2017, by clause 4(1)(d) of the Electricity Industry Participation Code Amendment (Code Review Programme) 2017.

Clause 1.1(1) notified planned outage: replaced, on 1 January 2025, by clause 4(1) of the Electricity Industry Participation Code Amendment (Co-ordination of outages affecting common quality) 2024.

notify [Revoked]

Clause 1.1(1) notify: revoked, on 5 October 2017, by clause 4(60) of the Electricity Industry Participation Code Amendment (Code Review Programme) 2017.

notional embedding contracts means contracts entered into before 1 April 2008 between Transpower and its customers, under which a customer's generation assets are treated as if they were physically connected to load in lieu of their existing connection to the grid

Clause 1.1(1) notional embedding contracts: amended, on 23 February 2015, by clause 75 of the Electricity Industry Participation Code Amendment (Distributed Generation) 2014.

Clause 1.1(1) notional embedding contracts: amended, on 5 October 2017, by clause 4(43) of the Electricity Industry Participation Code Amendment (Code Review Programme) 2017.

NSP means a network supply point that is a point of connection between—

  • (a) a local network and the grid; or
  • (b) 2 local networks; or
  • (c) a local network and an embedded network; or
  • (d) 2 embedded networks; or
  • (e) a generator and the grid

Clause 1.1(1) network supply point: amended, on 5 October 2017, by clause 4(42) of the Electricity Industry Participation Code Amendment (Code Review Programme) 2017.

NSP identifier means a unique identifier for an NSP created by the reconciliation manager in accordance with clause 28 of Schedule 11.1

obligation FTR means an FTR for which the terms and conditions provide that—

  • (a) (excluding the FTR acquisition cost) the holder of the FTR is entitled to receive a payment when, for the FTR period, the difference between the price (calculated in accordance with the terms of the FTR) at the hub identified as hub B and the price at the hub identified as hub A in the FTR is positive; and
  • (b) (excluding the FTR acquisition cost) the holder must make a payment when the difference between those prices is negative

Clause 1.1(1) obligation FTR: inserted, on 1 October 2011, by clause 4(1) of the Electricity Industry Participation (Financial Transmission Rights) Code Amendment 2011.

Clause 1.1(1) obligation FTR: amended, on 1 November 2012, by clause 4(3) of the Electricity Industry Participation (Financial Transmission Rights) Code Amendment 2012.

NZEF market-making agreement means an agreement between a participant and an exchange that imposes obligations on the participant in relation to the exchange’s daily settlement market-making scheme for NZ electricity futures, in the form of agreement used on the exchange for this purpose that is satisfactory to the Authority, having regard to its inclusion of the requirements set out in clause 13.236L and of the permitted exemptions from the performance of market-making services

Clause 1.1(1) NZEF market-making agreement: inserted, on 3 February 2020, by clause 4 of the Electricity Industry Participation Code Amendment (Hedge Market Arrangements) 2020.

Clause 1.1(1) NZEF market-making agreement: revoked, on 3 November 2020 in accordance with section 40(2)(b) of the Electricity Industry Act 2010.

Clause 1.1(1) NZEF market-making agreement: inserted, on 27 April 2021, by clause 4(3) of the Electricity Industry Participation Code Amendment (Hedge Market Arrangements) 2021.

NZEF market-making period means from 1530 to 1600 New Zealand time on each business day on which NZ electricity futures are traded

Clause 1.1(1) NZEF market-making period: inserted, on 3 February 2020, by clause 4 of the Electricity Industry Participation Code Amendment (Hedge Market Arrangements) 2020.

Clause 1.1(1) NZEF market-making period: revoked, on 3 November 2020 in accordance with section 40(2)(b) of the Electricity Industry Act 2010.

Clause 1.1(1) NZEF market-making period: inserted, on 27 April 2021, by clause 4(4) of the Electricity Industry Participation Code Amendment (Hedge Market Arrangements) 2021.

NZ electricity future means a New Zealand electricity 0.1 MW base load equivalent futures contract in respect of the Otahuhu reference node or the Benmore reference node available for trade on an exchange

Clause 1.1(1) NZ electricity future: inserted, on 27 April 2021, by clause 4(1) of the Electricity Industry Participation Code Amendment (Hedge Market Arrangements) 2021.

Clause 1.1(1) NZ electricity future: amended, on 1 September 2022, by clause 4(1) of the Electricity Industry Participation Code Amendment (Hedge Market Arrangements) 2022.

offer means the information that a generator submits to the system operator under clause 13.6(1), and includes any revised offer that a generator submits under clauses 13.17 to 13.19

Clause 1.1(1) offer: amended, on 15 May 2014, by clause 4(3) of the Electricity Industry Participation (Minor Code Amendments) Code Amendment 2014.

Clause 1.1(1) offer: substituted, on 29 June 2017, by clause 5(a) of the Electricity Industry Participation Code Amendment (Shortened Gate Closure and Revised Bid and Offer Provisions) 2017.

offer stack [Revoked]

Clause 1.1(1) offer stack: amended, at 12.00 pm on 19 September 2019, by clause 4(4) of the Electricity Industry Participation Code Amendment (Wind Offer Arrangements) 2019.

Clause 1.1(1) offer stack: revoked, on 1 November 2022, by clause 4(2) of the Electricity Industry Participation Code Amendment (Real Time Pricing) 2022.

offered FTR means an FTR that has been offered into an FTR reconfiguration auction

Clause 1.1(1) offered FTR: inserted, on 1 November 2014, by clause 4(1) of the Electricity Industry Participation (FTR Reconfiguration Auctions) Code Amendment 2014.

official conservation campaign is a campaign to encourage electricity conservation that—

  • (a) is commenced by the system operator; and
  • (b) lasts for 1 week or more; and
  • (c) covers—
    • (i) the South Island; or
    • (ii) all of New Zealand

Clause 1.1(1) official conservation campaign: inserted, on 1 April 2011, by clause 4(1) of the Electricity Industry Participation (Customer Compensation Schemes) Code Amendment 2011.

offtake means the flow of electricity from the grid at a grid exit point

operating account means the trust account or accounts established by the clearing manager in accordance with clause 14.66, and operating accounts has a considerable meaning

Clause 1.1(1) operating account: amended, on 24 March 2015, by clause 4(1)(o) of the Electricity Industry Participation (Settlement and Prudential Security) Code Amendment 2013.

Clause 1.1(1) operating account: amended, on 1 March 2024, by clause 4(15) of the Electricity Industry Participation Code Amendment (Code Review Programme) 2024.

operational term means a term that is described in a default distributor agreement template for inclusion in a default distributor agreement in accordance with clause 3(1)(b) of Schedule 12A.4

Clause 1.1(1) operational term: inserted, on 20 July 2020, by clause 4(3) of the Electricity Industry Participation Code Amendment (Default Distributor Agreement) 2020.

option FTR means an FTR for which the terms and conditions provide that—

  • (a) (excluding the FTR acquisition cost) the holder of the FTR is entitled to receive a payment when, for the FTR period, the difference between the price (calculated in accordance with the terms of the FTR) at the hub identified as hub B and the price at the hub identified as hub A in the FTR is positive; but
  • (b) (excluding the FTR acquisition cost) the holder is not required to make a payment when the difference between those prices is negative

Clause 1.1(1) option FTR: inserted, on 1 October 2011, by clause 4(1) of the Electricity Industry Participation (Financial Transmission Rights) Code Amendment 2011.

Clause 1.1(1) option FTR: amended, on 1 November 2012, by clause 4(4) of the Electricity Industry Participation (Financial Transmission Rights) Code Amendment 2012.

options contract means a contract containing the right to buy or sell a financial derivative contract that relates to a quantity of electricity that equals or exceeds 0.1 MW of electricity

Clause 1.1(1) options contract: amended, on 30 October 2024, by clause 4(9) of the Electricity Industry Participation Code Amendment (Hedge Disclosure Obligations) 2024.

order, for the purposes of subpart 5B of Part 13, means a quote, or a bundle of quotes (at the same price) in relation to a particular month or calendar quarter, and particular reference node simultaneously, placed on an exchange by a participant referred to in clause 13.236K(1)

Clause 1.1(1) order: inserted, on 1 September 2022, by clause 4(2) of the Electricity Industry Participation Code Amendment (Hedge Market Arrangements) 2022.

other party, for the purposes of subpart 5 of Part 13, means the party to a risk management contract who did not submit information under clauses 13.219(1), 13.223(1), or 13.224, as the case may be

Clause 1.1(1) other party: amended, on 30 October 2024, by clause 4(10) of the Electricity Industry Participation Code Amendment (Hedge Disclosure Obligations) 2024.

outage

  • (a) for the purposes of Technical Code D of Schedule 8.3, means any situation where an asset that forms part of, or is connected to, the grid or a local network
    • (i) is temporarily not available for the generation, conveyance or consumption of electricity; or
    • (ii) is temporarily not available for the generation, conveyance or consumption of electricity at its normal capacity; and
    • (iii) includes any situation where any asset of a generator is not available as specified in sub-paragraphs (i) and (ii) due to an outage of any asset of a distributor; and
  • (b) for the purposes of Part 12, has the meaning given to it by clause 12.130

Clause 1.1(1) outage: replaced, on 1 January 2025, by clause 4(2) of the Electricity Industry Participation Code Amendment (Co-ordination of outages affecting common quality) 2024.

outage constraint [Revoked]

Clause 1.1(1) outage constraint: replaced, on 5 October 2017, by clause 4(1)(e) of the Electricity Industry Participation Code Amendment (Code Review Programme) 2017.

Clause 1.1(1) outage constraint: revoked, on 1 April 2025, by clause 4(5) of the Electricity Industry Participation Code Amendment (Code Review Programme) 2025.

outage plan, for the purposes of Part 12, means the annual outage plan developed under the Outage Protocol

Outage Protocol, for the purposes of Part 12, means the Outage Protocol that is incorporated by reference in this Code under clause 12.150

overall accuracy [Revoked]

Clause 1.1(1) overall accuracy: revoked, on 29 August 2013, by clause 4(3) of the Electricity Industry Participation (Metering Arrangements) Code Amendment 2011.

over frequency limit means the maximum frequency of 50.5 Hz

over frequency reserve means an ancillary service that comprises an automatic reduction in the level of injection by a generating set to arrest an unplanned rise in system frequency

Part 6A dispensation means an exclusion from compliance with Part 6A or any provisions of Part 6A granted by the Authority in accordance with the process set out in clause 6A.9

Clause 1.1(1) Part 6A dispensation: inserted, on 31 August 2023, by clause 4 of the Electricity Industry Participation Code Amendment (Part 6A Dispensation for Specified Persons) 2023.

Clause 1.1(1) Part 6A dispensation: replaced, on 1 March 2024, by clause 4 of the Electricity Industry Participation Code Amendment (Part 6A Dispensation for Specified Persons) 2024.

participant has the meaning given to it in section 5 of the Act and, for the purposes of Parts 8, 13, 14, and 14A, has the additional meaning set out in clause 1.5

Clause 1.1(1) participant: amended, on 5 October 2017, by clause 4(44) of the Electricity Industry Participation Code Amendment (Code Review Programme) 2017.

participant identifier means a unique 4 letter code assigned to a participant under clause 15.39 that is used to identify the participant, including in the reconciliation and registry processes

Clause 1.1(1) participant identifier: amended, on 15 May 2014, by clause 4(4) of the Electricity Industry Participation (Minor Code Amendments) Code Amendment 2014.

participant rolling outage plan means a plan developed by a specified participant under clauses 9.6 to 9.13

partly loaded spinning reserve means a form of generation reserve consisting of spare capacity, held in reserve on a generating unit, generating, but not operating at full output, but excludes the spare capacity provided by an energy storage system

Clause 1.1(1) partly loaded spinning reserve: amended, on 5 October 2017, by clause 4(45) of the Electricity Industry Participation Code Amendment (Code Review Programme) 2017.

Clause 1.1(1) partly loaded spinning reserve: amended, on 3 May 2022, by clause 4(3)(d) of the Electricity Industry Participation Code Amendment (Enabling Energy Storage Systems to Offer Instantaneous Reserve) 2022.

party, for the purposes of subpart 5 and subpart 7 of Part 13, means either the buyer or seller under a risk management contract or both the buyer and seller under a risk management contract, as the case may be, and for the purposes of subpart 7 of Part 13, means either the buyer or seller under a contract or both the buyer and seller under a contract, as the case may be

Clause 1.1(1) party: amended, on 19 August 2022, by clause 4(4) of the Electricity Industry Participation Code Amendment (Restrictions on Materially Large Contracts) 2022.

Clause 1.1(1) party: revoked, on 18 May 2023, by clause 2(2) of the Electricity Industry Participation Code Amendment (Restrictions on Materially Large Contracts) 2023.

Clause 1.1(1) party: inserted, on 19 May 2023, by clause 4(4) of the Electricity Industry Participation Code Amendment (Restrictions on Materially Large Contracts) 2023.

payee [Revoked]

Clause 1.1(1) payee: substituted, on 1 October 2011, by clause 4(2) of the Electricity Industry Participation (Financial Transmission Rights) Code Amendment 2011.

Clause 1.1(1) payee: amended, on 15 May 2014, by clause 5(6) of the Electricity Industry Participation (Modified Dispatchable Demand) Code Amendment 2013.

Clause 1.1(1) payee: revoked, on 24 March 2015, by clause 4(1)(p) of the Electricity Industry Participation (Settlement and Prudential Security) Code Amendment 2013.

payer [Revoked]

Clause 1.1(1) payer paragraph (iv): inserted, on 1 October 2011, by clause 4(3) of the Electricity Industry Participation (Financial Transmission Rights) Code Amendment 2011.

Clause 1.1(1) payer: revoked, on 24 March 2015, by clause 4(1)(q) of the Electricity Industry Participation (Settlement and Prudential Security) Code Amendment 2013.

permanent estimate means—

(a) a value sourced from an estimated reading that has passed the validation process in clauses 16 and 17 of Schedule 15.2 and has been calculated from validated meter readings; or

(b) if, despite using reasonable endeavours, a reconciliation participant cannot replace volume information created using estimated readings with volume information created using validated meter readings by the month 14 revision cycle, a value created by the reconciliation participant using its best estimates of validated meter readings

Clause 1.1(1) permanent estimate: replaced, on 1 February 2019, by clause 4(7) of the Electricity Industry Participation Code Amendment (Code Review Programme) 2018.

pivotal [Revoked]

Clause 1.1(1) pivotal: inserted, on 17 July 2014, by clause 4(1) of the Electricity Industry Participation Code Amendment (Pivotal Supply) 2014.

Clause 1.1(1) pivotal: revoked, on 30 June 2021 by clause 4 of the Electricity Industry Participation Code Amendment (Trading Conduct Provisions) 2021.

planned interruption, for the purposes of Part 12, means an interruption caused by a planned outage

planned outage

  • (a) for the purposes of Technical Code D of Schedule 8.3, means any outage that is planned by the relevant asset owner and, in the case of an outage coming within paragraph (a)(iii) of the definition of outage, any such outage that is caused by a planned outage of a distributor; and
  • (b) for the purposes of Part 12, means an outage carried out in accordance with the planning requirements set out in the Outage Protocol

Clause 1.1(1) planned outage: replaced, on 1 January 2025, by clause 4(3) of the Electricity Industry Participation Code Amendment (Co-ordination of outages affecting common quality) 2024.

point of connection means—

  • (a) a point at which electricity may flow, via one or more phases or conductors—
    • (i) into or out of a network; or
    • (ii) both into and out of a network at the same time, where each directional flow is on different phases or conductors; and
  • (b) for the purposes of Technical Code A of Schedule 8.3, means a grid injection point or a grid exit point

Clause 1.1(1) point of connection: replaced, on 31 December 2021, by clause 4(11) of the Electricity Industry Participation Code Amendment (Code Review Programme) 2019.

point of measurement [Revoked]

Clause 1.1(1) point of measurement: revoked, on 29 August 2013, by clause 4(3) of the Electricity Industry Participation (Metering Arrangements) Code Amendment 2011.

point of service means a normally contiguous electrical busbar of a particular voltage at which Transpower, as a grid owner, has agreed to provide services to 1 or more designated transmission customers

point of supply, in relation to any premises, means the point at which fittings, used or intended to be used for the purposes of supplying electricity to those premises, enter those premises

policy statement means the policy statement that is incorporated by reference in this Code under clause 8.10

preceding year [Revoked]

Clause 1.1(1) preceding year: revoked, on 5 October 2017, by clause 4(60) of the Electricity Industry Participation Code Amendment (Code Review Programme) 2017.

preceding year day [Revoked]

Clause 1.1(1) preceding year day: revoked, on 5 October 2017, by clause 4(60) of the Electricity Industry Participation Code Amendment (Code Review Programme) 2017.

pre-dispatch schedule [Revoked]

Clause 1.1(1) pre-dispatch schedule: revoked, on 28 June 2012, by clause 4(i) of the Electricity Industry Participation (Demand-side Bidding and Forecasting) Code Amendment 2011.

preliminary sample means the statistical sample that is required in order to establish parameter estimates to determine the appropriate size of the profile sample

preliminary sample size means the required size of the preliminary sample

premium, in relation to a risk management contract, means the dollar amount paid by the buyer to the seller

Clause 1.1(1) premium: amended, on 30 October 2024, by clause 4(11) of the Electricity Industry Participation Code Amendment (Hedge Disclosure Obligations) 2024.

prescribed form means a form prescribed from time to time by the Authority

price, for the purposes of Part 5, includes—

  • (a) valuable consideration in any form, whether direct or indirect; and
  • (b) any consideration that in effect relates to the acquisition of goods or services or the acquisition or disposition of any interest in land, although ostensibly relating to any other matter or thing

price category means the relevant code in the schedule published by a distributor that is used to unambiguously define the line charges for an ICP

price-responsive schedule means the schedule prepared by the system operator

  • (a) under clause 13.58(1)(a); and
  • (b) for the purpose of assisting generators, purchasers, consumers, ancillary service agents, and grid owners to manage their resources

Clause 1.1(1) price-responsive schedule: inserted, on 28 June 2012, by clause 4(a) of the Electricity Industry Participation (Demand-side Bidding and Forecasting) Code Amendment 2011.

pricing error means an error in an interim price or interim reserve price as a result of—

  • (a) a dispatch price or dispatch reserve price that was not made available on WITS being used to calculate the interim price or interim reserve price; or
  • (b) the clearing manager having followed an incorrect process in calculating that interim price or interim reserve price, in contravention of this Code

Clause 1.1(1) pricing error: amended, on 1 November 2022, by clause 4(6)(e) of the Electricity Industry Participation Code Amendment (Real Time Pricing) 2022.

Clause 1.1(1) pricing error: amended, on 1 April 2025, by clause 4(6) of the Electricity Industry Participation Code Amendment (Code Review Programme) 2025.

pricing manager [Revoked]

Clause 1.1(1) pricing manager: amended, on 20 December 2021, by clause 4(12) of the Electricity Industry Participation Code Amendment (Code Review Programme) 2019.

Clause 1.1(1) pricing manager: revoked, on 1 November 2022, by clause 4(2) of the Electricity Industry Participation Code Amendment (Real Time Pricing) 2022.

primary transmission equipment means any plant or equipment forming part of the grid that enables the bulk transfer of electricity, including without limitation transmission circuits, busbars and switchgear

principal performance obligation and PPO mean a system operator obligation set out in any of clauses 7.2A to 7.2D

Clause 1.1(1) principal performance obligations and PPOs: amended, on 19 May 2016, by clause 4(3) of the Electricity Industry Participation Code Amendment (System Operator and Alignment with Statutory Objective) 2016.

procurement plan means the procurement plan that is incorporated by reference in this Code under clause 8.42

profile means a fixed or variable electricity consumption pattern assigned to a particular group of meter registers or unmetered loads

profile acceptance limit means the maximum value allowed for the sample co-efficient of variation calculated from the preliminary sample

profile applicant means the participant who submitted an application to the Authority to approve a new profile or a change to an existing profile, and may be a joint entity with more than 1 participant or an independent commercial entity acting on behalf of 1 or more participants

Clause 1.1(1) profile applicant: amended, on 5 October 2017, by clause 4(46) of the Electricity Industry Participation Code Amendment (Code Review Programme) 2017.

profile class means the grouping of 1 or more individual profiles that are applied to metering installations and loads with similar generic descriptions

profile owner means the legal entity that introduced the approved profile or is nominated as the profile owner in accordance with Schedule 15.5

profile population means all ICP identifiers included in a profile

profile sample means the statistical sample used to generate consumption data that is to be used to represent the load patterns of all ICP identifiers included in the profile

profile sample size means the required size of the profile sample

provisional marginal location factor [Revoked]

Clause 1.1(1) provisional marginal location factor: revoked, on 1 November 2022, by clause 4(2) of the Electricity Industry Participation Code Amendment (Real Time Pricing) 2022.

provisional price [Revoked]

Clause 1.1(1) provisional price: revoked, on 1 November 2022, by clause 4(2) of the Electricity Industry Participation Code Amendment (Real Time Pricing) 2022.

provisional price situation [Revoked]

Clause 1.1(1) provisional price situation: revoked, on 1 November 2022, by clause 4(2) of the Electricity Industry Participation Code Amendment (Real Time Pricing) 2022.

provisional reserve price [Revoked]

Clause 1.1(1) provisional reserve price: revoked, on 1 November 2022, by clause 4(2) of the Electricity Industry Participation Code Amendment (Real Time Pricing) 2022.

public conservation period [Revoked]

Clause 1.1(1) public conservation period: inserted, on 1 April 2011, by clause 4(1) of the Electricity Industry Participation (Customer Compensation Schemes) Code Amendment 2011.

Clause 1.1(1) public conservation period: revoked, on 20 December 2021, by clause 4(13) of the Electricity Industry Participation Code Amendment (Code Review Programme) 2019.

publicise [Revoked]

Clause 1.1(1) publicise: revoked, on 5 October 2017, by clause 4(60) of the Electricity Industry Participation Code Amendment (Code Review Programme) 2017.

publish means—

  • (a) in respect of information that the Authority is required to publish under this Code, to make the information available to the public, at no cost, on a website maintained by, or on behalf of, the Authority; or
  • (b) in respect of information that a participant is required to publish under this Code, to make the information available to the public, at no cost, on a website maintained by, or on behalf of, the participant,— and published, publishes, publication, and publishing have corresponding meanings

Clause 1.1(1) publish: replaced, on 5 October 2017, by clause 4(1)(f) of the Electricity Industry Participation Code Amendment (Code Review Programme) 2017.

purchaser means a person who buys electricity from the clearing manager and, for the purposes of Parts 8, 13, 14, and 14A, has the additional meaning set out in clause 1.5

Clause 1.1(1) purchaser: amended, on 5 October 2017, by clause 4(47) of the Electricity Industry Participation Code Amendment (Code Review Programme) 2017.

qualifying customer has the meaning set out in clause 9.21

Clause 1.1(1) qualifying customer: inserted, on 1 April 2011, by clause 4(1) of the Electricity Industry Participation (Customer Compensation Schemes) Code Amendment 2011.

qualifying date [Revoked]

Clause 1.1(1) qualifying date: inserted, on 1 April 2011, by clause 4(1) of the Electricity Industry Participation (Customer Compensation Schemes) Code Amendment 2011.

Clause 1.1(1) qualifying date: revoked, on 5 October 2017, by clause 4(60) of the Electricity Industry Participation Code Amendment (Code Review Programme) 2017.

quantity, for the purposes of subpart 5 of Part 13, means—

  • (a) for a risk management contract other than a fixed-price physical supply contract the total volume in MWh of electricity to which the contract relates; or
  • (b) for a fixed-price physical supply contract, the volume in MWh of electricity reasonably likely to be supplied under the contract

Clause 1.1(1) quantity: amended, on 30 October 2024, by clause 4(12) of the Electricity Industry Participation Code Amendment (Hedge Disclosure Obligations) 2024.

quarterly disclosure report means a report provided by a major participant under clause 13.2B.

Clause 1.1(1) quarterly disclosure report: inserted, on 1 April 2021, by clause 4(2) of the Electricity Industry Participation Code Amendment (Reporting on Wholesale Market Information Disclosure) 2020.

quote means an offer to buy or sell a NZ electricity future on an exchange

Clause 1.1(1) quote: inserted, on 3 February 2020, by clause 4 of the Electricity Industry Participation Code Amendment (Hedge Market Arrangements) 2020.

Clause 1.1(1) quote: revoked, on 3 November 2020 in accordance with section 40(2)(b) of the Electricity Industry Act 2010.

Clause 1.1(1) quote: inserted, on 27 April 2021, by clause 4(5) of the Electricity Industry Participation Code Amendment (Hedge Market Arrangements) 2021.

ratio compensation means a multiplier, used to convert raw meter data into volume information, that is developed from—

  • (a) the connected ratio of measuring transformers; and
  • (b) the number of metering elements; and
  • (c) the resolution of the meter

Clause 1.1(1) ratio compensation: inserted, on 29 August 2013, by clause 4(1) of the Electricity Industry Participation (Metering Arrangements) Code Amendment 2011.

Clause 1.1(1) ratio compensation: amended, on 23 February 2015, by clause 75 of the Electricity Industry Participation Code Amendment (Distributed Generation) 2014.

Clause 1.1(1) ratio compensation: amended, on 5 October 2017, by clause 4(48) of the Electricity Industry Participation Code Amendment (Code Review Programme) 2017.

raw meter data means—

  • (a) except for Part 15, information obtained by the interrogation of a metering installation; or
  • (b) for the purposes of Part 15, information obtained from a metering installation by 1 of the following interrogation methods:
    • (i) locally by way of a handheld computer or recording device (in which case it must take the form of a downloaded file); or
    • (ii) locally by way of any other manual record (in which case it must take the form of the first entry in a database system); or
    • (iii) remotely (in which case it must take the form of database records), but excluding data transmission between meters and data concentrators that are relaying information into the back office

Clause 1.1(1) raw meter data: substituted, on 29 August 2013, by clause 4(2)(s) of the Electricity Industry Participation (Metering Arrangements) Code Amendment 2011.

Clause 1.1(1) raw meter data: amended, 1 June 2025, by clause 4 of the Electricity Industry Participation Code Amendment (Improving Consumer Access to their Electricity Information) 2025.

reactive means that component of the impedance at which the current and voltage are 90 degrees out of phase

reactive capability means the reactive power injection or absorption capability of generating units and other reactive power resources such as capacitors, reactors, synchronous condensers and dynamic reactive power compensation devices and includes reactive power capability of a generating unit during the normal course of the generating unit operations

Clause 1.1(1) reactive capability: amended on 1 May 2025, by clause 4(4) of the Electricity Industry Participation Code Amendment (Common Quality Related Amendments) 2025.

reactive current means the component of electrical current on a line 90 degrees out of phase with the voltage on the line

Clause 1.1(1) reactive current: inserted, on 24 November 2016, by clause 4 of the Electricity Industry Participation Code Amendment (Generation Fault Ride Through) 2016.

reactive energy means the integration over time of the product of voltage and current and the sine of the phase angle between them, normally measured in kilovar hours (kvarh)

Clause 1.1(1) reactive energy: inserted, on 29 August 2013, by clause 4(1) of the Electricity Industry Participation (Metering Arrangements) Code Amendment 2011.

reactive meter means a meter used for the measurement of reactive power

reactive power means the product of voltage and current and the sine of the phase angle between them, and which is normally measured in kiloVolt-Amps reactive (kVAr)

real time price [Revoked]

Clause 1.1(1) real time price: revoked, on 1 November 2022, by clause 4(2) of the Electricity Industry Participation Code Amendment (Real Time Pricing) 2022.

real time pricing period [Revoked]

Clause 1.1(1) real time pricing period: revoked, on 1 November 2022, by clause 4(2) of the Electricity Industry Participation Code Amendment (Real Time Pricing) 2022.

reasonable and prudent operating practice, in relation to distributed generation, includes—

  • (a) the industry operating standards; and
  • (b) measures to avoid the injection of electricity from distributed generation that—
    • (i) exceeds the distribution network capacity at the point of injection; or
    • (ii) results in a significant adverse effect on voltage levels; or
    • (iii) results in a significant adverse effect on the quality and reliability of electricity conveyed to other users of the distribution network; and
  • (c) the use or proposed use of reasonable and prudent measures to enable the connection of distributed generation

Clause 1.1(1) reasonable and prudent operating practice: amended, on 23 February 2015, by clause 4(10) of the Electricity Industry Participation Code Amendment (Distributed Generation) 2014.

Clause 1.1(1) reasonable and prudent operating practice: amended, on 23 February 2015, by clause 75 of the Electricity Industry Participation Code Amendment (Distributed Generation) 2014.

Clause 1.1(1) reasonable and prudent operating practice: amended, on 5 October 2017, by clause 4(49) of the Electricity Industry Participation Code Amendment (Code Review Programme) 2017.

reasonable and prudent system operator [Revoked]

Clause 1.1(1) reasonable and prudent system operator: revoked, on 19 May 2016, by clause 4(1) of the Electricity Industry Participation Code Amendment (System Operator and Alignment with Statutory Objective) 2016.

recalibration means to repeat a calibration because a previous calibration has expired or become suspect, and recalibrate has a corresponding meaning

recertification means to repeat a certification because a previous certification has expired or been cancelled, and recertified and recertify have corresponding meanings

reconciled quantity means a quantity of electricity that has been reconciled by the reconciliation manager

reconciliation information means information specifying the amount of electricity sold to or purchased from the clearing manager in each half hour of a reconciliation period (or such other period as has been agreed to), calculated from and reconciled with submission information and the relevant losses, and after the process of balancing in accordance with clause 22 of Schedule 15.4

reconciliation manager means the market operation service provider for the time being appointed as reconciliation manager under this Code

Clause 1.1(1) reconciliation manager: amended, on 20 December 2021, by clause 4(14) of the Electricity Industry Participation Code Amendment (Code Review Programme) 2019.

reconciliation participant means a participant that—

  • (a) is one of the following:
    • (i) a retailer when purchasing electricity from, or selling electricity to, the clearing manager:
    • (ii) a generator:
    • (iii) a network owner:
    • (iv) a distributor:
    • (v) a person who purchases electricity from or sells electricity to the clearing manager, including a dispatchable load purchaser: and
  • (b) provides information to the reconciliation manager in accordance with clauses 15.4 to 15.11

Clause 1.1(1) reconciliation participant: replaced, on 1 March 2024, by clause 4(16) of the Electricity Industry Participation Code Amendment (Code Review Programme) 2024.

reconciliation period means a calendar month, subsequent to a consumption period, during which the reconciliation process is performed in respect of the electricity conveyed during 1 or more consumption periods

Clause 1.1(1) reconciliation period: amended, on 1 June 2011, by clause 4(2) of the Electricity Industry Participation (Minor Amendments) Code Amendment 2011.

reconciliation type means a code that identifies the type of processing to be performed during reconciliation

reconfigured FTR means the portion of an FTR that was sold at an FTR reconfiguration auction

Clause 1.1(1) reconfigured FTR: inserted, on 1 November 2014, by clause 4(1) of the Electricity Industry Participation (FTR Reconfiguration Auctions) Code Amendment 2014.

recorded term [Revoked]

Clause 1.1(1) recorded term: inserted, on 20 July 2020, by clause 4(3) of the Electricity Industry Participation Code Amendment (Default Distributor Agreement) 2020.

Clause 1.1(1) recorded term: revoked, on 25 November 2024, by clause 4(3) of the Electricity Industry Participation Code Amendment (Distributor Agreement Amendments) 2024.

reference point means,—

  • (a) for the North Island,—
    • (i) the Haywards 220 kV bus to which the HVDC Pole 2 or Pole 3 injection or offtake is electrically connected; or
    • (ii) if there is no Pole 2 or Pole 3 injection or offtake that is electrically connected to a Haywards 220kV bus, the first indexed Haywards 220 kV node:
  • (b) for the South Island,—
    • (i) the Benmore 220 kV bus to which the HVDC Pole 2 or Pole 3 injection or offtake is electrically connected; or
    • (ii) if there is no Pole 2 or Pole 3 injection or offtake that is electrically connected to a Benmore 220kV bus, the first indexed Benmore 220 kV node

Clause 1.1(1) reference point: substituted, on 1 July 2012, by clause 4(3) of the Electricity Industry Participation (HVDC Pole 3 Minor Amendments) Code Amendment 2012.

Clause 1.1(1) reference point: amended, on 23 February 2015, by clause 75 of the Electricity Industry Participation Code Amendment (Distributed Generation) 2014.

Clause 1.1(1) reference point: amended, on 5 October 2017, by clause 4(50) of the Electricity Industry Participation Code Amendment (Code Review Programme) 2017.

reference standard means a measuring instrument that has been calibrated by an approved calibration laboratory and is not used as a working standard

register means the register of participants maintained by the Authority under section 16 of the Act

registered, in relation to a participant, means that details of the participant are kept in the register

registry means the database maintained by the Authority to record information about ICPs

Clause 1.1(1) registry and registry manager: replaced, on 5 October 2017, by clause 4(1)(g) of the Electricity Industry Participation Code Amendment (Code Review Programme) 2017.

registry manager means the market operation service provider for the time being appointed as registry manager under this Code

Clause 1.1(1) registry manager: inserted, on 5 October 2017, by clause 4(61) of the Electricity Industry Participation Code Amendment (Code Review Programme) 2017.

registry metering records means the metering records set out in Table 1 of clause 7 of Schedule 11.4

Clause 1.1(1) registry metering records: inserted, on 29 August 2013, by clause 4(1) of the Electricity Industry Participation (Metering Arrangements) Code Amendment 2011.

regulated terms means the terms set out in Schedule 6.2

relative standard error means the error expressed as a percentage of the estimated parameter

relevant contracts [Revoked]

Clause 1.1(1) relevant contracts: revoked, on 24 March 2015, by clause 4(1)(r) of the Electricity Industry Participation (Settlement and Prudential Security) Code Amendment 2013.

relevant information [Revoked]

Clause 1.1(1) relevant information: amended, on 21 September 2012, by clause 4(7) of the Electricity Industry Participation (Minor Amendments) Code Amendment 2012.

Clause 1.1(1) relevant information: revoked, on 1 October 2013, by clause 4(3) of the Electricity Industry Participation (Disclosure Obligations) Code Amendment 2013.

relevant local reconciliation contracts means the contracts for the sale and/or the purchase of electricity within a local network

relevant participant [Revoked]

Clause 1.1(1) relevant participant: inserted, on 29 August 2013, by clause 4(1) of the Electricity Industry Participation (Metering Arrangements) Code Amendment 2011.

Clause 1.1(1) relevant participant: revoked, on 1 June 2017, by clause 4(2) of the Electricity Industry Participation Code Amendment (Requirements and Processes for Audits) 2016.

relevant registration factor [Revoked]

Clause 1.1(1) relevant registration factor: revoked, on 1 November 2022, by clause 4(2) of the Electricity Industry Participation Code Amendment (Real Time Pricing) 2022.

republish [Revoked]

Clause 1.1(1) republish: revoked, on 5 October 2017, by clause 4(60) of the Electricity Industry Participation Code Amendment (Code Review Programme) 2017.

reserve offer means the information that an ancillary service agent submits to the system operator under clauses 13.37 to 13.54 specifying the instantaneous reserve the ancillary service agent is willing and able to provide

Clause 1.1(1) reserve offer: substituted, on 28 June 2012, by clause 4(g) of the Electricity Industry Participation (Demand-side Bidding and Forecasting) Code Amendment 2011.

Clause 1.1(1) reserve offer: substituted, on 29 June 2017, by clause 5(b) of the Electricity Industry Participation Code Amendment (Shortened Gate Closure and Revised Bid and Offer Provisions) 2017.

residual loss and constraint excess means, in respect of a billing period, an amount available for the settlement of FTRs that is not required to settle FTRs for the billing period, but does not include any amount that is retained for the settlement of FTRs in a future billing period in accordance with clause 13.249(6)

Clause 1.1(1) residual loss and constraint excess: inserted, on 1 October 2011, by clause 4(1) of the Electricity Industry Participation (Financial Transmission Rights) Code Amendment 2011.

Clause 1.1(1) residual loss and constraint excess: amended, on 24 March 2015, by clause 4(1)(s) of the Electricity Industry Participation (Settlement and Prudential Security) Code Amendment 2013.

resistive means that component of the impedance that is where the current and voltage are in phase

responsible party means the person responsible for the installation, maintenance, operation and interrogation of a metering installation and the supply of submission information to the reconciliation manager

retailer means as follows:

  • (a) except as provided in paragraphs (b) and (c), a participant who supplies electricity to another person for any purpose other than for resupply by the other person:
  • (b) in Parts 1 (except for the definition of specified participant), 8, 10, and 12 to 15, a participant who supplies electricity to a consumer or to another retailer:
  • (c) in subpart 4 of Part 9, the retailer defined in paragraph (a) who is recorded in the registry as being responsible for the ICP described in clause 9.21(1)(b)

Clause 1.1(1) retailer: substituted, on 1 April 2011, by clause 4(2) of the Electricity Industry Participation (Customer Compensation Schemes) Code Amendment 2011.

Clause 1.1(1) retailer para (b): amended, on 28 February 2015, by clause 4 of the Electricity Industry Participation Code Amendment (Trader Default) 2014.

Clause 1.1(1) retailer: amended, on 5 October 2017, by clause 4(51) of the Electricity Industry Participation Code Amendment (Code Review Programme) 2017.

retail gross margin report means a report provided by a retailer under clause 13.259

Clause 1.1(1) retail gross margin report: inserted, on 30 November 2021, by clause 4 of the Electricity Industry Participation Code Amendment (Internal Transfer Prices and Segmented Profitability Reporting) 2021.

retail ITP means the notional price or prices per MWh for electricity set between either the generating arm or the trading arm of a generator retailer, on the one hand, and the retailing arm of the generator retailer, on the other hand, in respect of electricity generated by the generator retailer that is sold by the generator retailer to mass market customers and that is used for internal accounting, management, or other purposes

Clause 1.1(1) retail ITP: inserted, on 30 November 2021, by clause 4 of the Electricity Industry Participation Code Amendment (Internal Transfer Prices and Segmented Profitability Reporting) 2021.

Rio Tinto agreement [Revoked]

Clause 1.1(1) Rio Tinto agreement: revoked, on 16 December 2013, by clause 4(2)(c) of the Electricity Industry Participation (Revocation of Part 16) Code Amendment 2013.

Rio Tinto party [Revoked]

Clause 1.1(1) Rio Tinto party: revoked, on 16 December 2013, by clause 4(2)(d) of the Electricity Industry Participation (Revocation of Part 16) Code Amendment 2013.

risk management contract, for the purposes of subpart 5 and subpart 7 of Part 13, means—

  • (a) a contract for differences; or
  • (b) a fixed-price physical supply contract; or
  • (c) an options contract; or
  • (ca) for the purposes of subpart 5 of Part 13, a contract prescribed by the Authority under clause 13.219B as a risk management contract; but
  • (d) does not include an FTR

Clause 1.1(1) risk management contract: amended, on 15 May 2014, by clause 4(5) of the Electricity Industry Participation (Minor Code Amendments) Code Amendment 2014.

Clause 1.1(1) risk management contract: amended, on 19 August 2022, by clause 4(5) of the Electricity Industry Participation Code Amendment (Restrictions on Materially Large Contracts) 2022.

Clause 1.1(1) risk management contract: revoked, on 18 May 2023, by clause 2(2) of the Electricity Industry Participation Code Amendment (Restrictions on Materially Large Contracts) 2023.

Clause 1.1(1) risk management contract: inserted, on 19 May 2023, by clause 4(5) of the Electricity Industry Participation Code Amendment (Restrictions on Materially Large Contracts) 2023.

Clause 1.1(1) risk management contract: clause (c) amended, on 30 October 2024, by clause 4(13)(a) of the Electricity Industry Participation Code Amendment (Hedge Disclosure Obligations) 2024.

Clause 1.1(1) risk management contract: clause (ca) inserted, on 30 October 2024, by clause 4(13)(b) of the Electricity Industry Participation Code Amendment (Hedge Disclosure Obligations) 2024.

round power means a mode of operation of the HVDC link where power is transferred in opposite directions on Pole 2 and Pole 3

Clause 1.1(1) round power: inserted, on 1 July 2012, by clause 4(4) of the Electricity Industry Participation (HVDC Pole 3 Minor Amendments) Code Amendment 2012.

rules means the Electricity Governance Rules 2003

Rulings Panel has the meaning given to it in section 5 of the Act

sample date means the most recent date when the profile sample was drawn or updated

satisfactory state means that none of the following occur on the power system:

  • (a) insufficient supply of electricity to satisfy demand for electricity at any grid exit point:
  • (b) unacceptable overloading of any primary transmission equipment:
  • (c) unacceptable voltage conditions:
  • (d) system instability

SCADA means the monitoring and remote control of equipment from a central location using computing technologies

SCADA situation [Revoked]

Clause 1.1(1) SCADA situation: amended, on 15 May 2014, by clause 5(7) of the Electricity Industry Participation (Modified Dispatchable Demand) Code Amendment 2013.

Clause 1.1(1) SCADA situation: revoked, on 1 November 2022, by clause 4(2) of the Electricity Industry Participation Code Amendment (Real Time Pricing) 2022.

scaling factor, for the purpose of Appendix A of Technical Code C of Schedule 8.3, means a factor applied to a measurement at 1 point to calculate a corresponding measurement at another point

Clause 1.1(1) scaling factor: inserted, on 1 June 2011, by clause 4(1) of the Electricity Industry Participation (Minor Amendments) Code Amendment 2011.

schedule of dispatch prices, dispatch quantities, dispatch arc flows, dispatch group constraint arc flows, group constraint formulas and HVDC component flows [Revoked]

Clause 1.1(1) schedule of dispatch prices, dispatch quantities, dispatch arc flows, dispatch group constraint arc flows, group constraint formulas and HVDC component flows: revoked, on 28 June 2012, by clause 4(i) of the Electricity Industry Participation (Demand-side Bidding and Forecasting) Code Amendment 2011.

scarcity pricing situation [Revoked]

Clause 1.1(1) scarcity pricing situation: inserted, on 1 June 2013, by clause 4(a) of the Electricity Industry Participation (Scarcity Pricing) Code Amendment 2011.

Clause 1.1(1) scarcity pricing situation: revoked, on 1 November 2022, by clause 4(2) of the Electricity Industry Participation Code Amendment (Real Time Pricing) 2022.

schedule length period means,—

  • (a) in relation to a price-responsive schedule or a non-response schedule prepared under clause 13.62(1)(a), the current trading period and the following 71 trading periods; and
  • (b) in relation to a price-responsive schedule or a non-response schedule prepared under clause 13.62(1)(b), the current trading period and the following 7 trading periods

Clause 1.1(1) schedule length period: inserted, on 28 June 2012, by clause 4(a) of the Electricity Industry Participation (Demand-side Bidding and Forecasting) Code Amendment 2011.

schedule period means the current trading period and the following 71 trading periods

Clause 1.1(1) schedule period: substituted, on 28 June 2012, by clause 4(h) of the Electricity Industry Participation (Demand-side Bidding and Forecasting) Code Amendment 2011.

scheduled quantity, for the purposes of clauses 13.194 and 13.204(1)(a) and (b), means the sum of all the offer quantities at the relevant grid injection point at which the final price is equal to or greater than the offer price for each of those offer quantities in the relevant trading period. For the grid injection points that form part of a block dispatch group, scheduled quantity is the sum of all the offer quantities of the individual grid injection points that form that block dispatch group at which the final price is equal to or greater than the offer price for each of those offer quantities in the relevant trading period

scorecard rating means the numerical value, pursuant to clauses 17 and 18 of Schedule 15.4, to rate the quality of each retailer’s processes for the production of submission information

seasonal adjustment shape means the total energy consumption (expressed as daily kWh values) for all NSP derived profiles for all retailers in each balancing area

secure state means that the power system—

  • (a) would be in a satisfactory state; and
  • (b) would remain in a satisfactory state during and following a single credible contingency event occurring on the grid

security of supply forecasting and information policy means the security of supply forecasting and information policy that is incorporated by reference in this Code under clause 7.4

selected component certification means certification of a metering installation under clause 11(3) of Schedule 10.7

Clause 1.1(1) selected component certification: inserted, on 29 August 2013, by clause 4(1) of the Electricity Industry Participation (Metering Arrangements) Code Amendment 2011.

seller, for the purposes of subpart 5 and subpart 7 of Part 13, means—

  • (a) in respect of a contract for differences, the floating-price payer; or
  • (b) in respect of a fixed-price physical supply contract, the party selling the electricity; or
  • (c) in respect of an options contract, either—
    • (i) the party receiving the premium; or
    • (ii) if there is no premium under the options contract, the party who agrees to be the seller for the purposes of subpart 5 or subpart 7 (as applicable) of Part 13; or
    • (iii) if neither party agrees to be the seller, the party whose name is the second alphabetically; or
  • (ca) for the purposes of subpart 5 of Part 13, in respect of a contract prescribed by the Authority under clause 13.219B as a risk management contract, either—
    • (i) the party specified as the seller in the contract; or
    • (ii) if neither party is specified as the seller, the party whose name is the second alphabetically; or
  • (d) for the purposes of subpart 7 of Part 13, in respect of any other contract, the party who is not the buyer

Clause 1.1(1) seller: amended, on 19 August 2022, by clause 4(6) of the Electricity Industry Participation Code Amendment (Restrictions on Materially Large Contracts) 2022.

Clause 1.1(1) seller: revoked, on 18 May 2023, by clause 2(2) of the Electricity Industry Participation Code Amendment (Restrictions on Materially Large Contracts) 2023.

Clause 1.1(1) seller: inserted, on 19 May 2023, by clause 4(6) of the Electricity Industry Participation Code Amendment (Restrictions on Materially Large Contracts) 2023.

Clause 1.1(1) seller: clause (c) amended, on 30 October 2024, by clause 4(14)(a) of the Electricity Industry Participation Code Amendment (Hedge Disclosure Obligations) 2024.

Clause 1.1(1) seller: clause (ca) inserted, on 30 October 2024, by clause 4(14)(b) of the Electricity Industry Participation Code Amendment (Hedge Disclosure Obligations) 2024. series, for the purposes of determining the level of impedance of branches under Part

series, for the purposes of determining the level of impedance of branches under Part 12, means an arrangement of assets where the assets comprising a branch have the same current flowing through them

serious financial breach [Revoked]

Clause 1.1(1) serious financial breach: inserted, on 16 December 2013, by clause 4 of the Electricity Industry Participation (Managing Retailer Default Situations) Code Amendment 2013.

Clause 1.1(1) serious financial breach: replaced, on 20 July 2020, by clause 4(1) of the Electricity Industry Participation Code Amendment (Default Distributor Agreement) 2020.

Clause 1.1(1) serious financial breach: revoked, on 15 May 2025, by clause 4(1) of the Electricity Industry Participation Code Amendment (Retailer Default) 2025.

serious financial breach (distributor/trader) means a failure by a retailer

  • (a) to pay to a distributor an amount due and owing that exceeds the greater of $100,000 or 20% of the actual charges payable by the retailer for the previous month, unless the amount is genuinely disputed by the retailer; or
  • (b) to pay to a distributor 100% of the actual charges payable by the retailer for the previous two months, unless the amount is genuinely disputed by the retailer; or
  • (c) to comply with the prudential requirements under a distributor agreement between the retailer and a distributor

Clause 1.1(1) serious financial breach (distributor/trader): inserted, on 15 May 2025, by clause 4(2) of the Electricity Industry Participation Code Amendment (Retailer Default) 2025.

serious financial breach (trader/retailer) means a failure by a retailer

  • (a) to pay to a trader an amount due and owing that exceeds the greater of $100,000 or 20% of the actual charges payable by the retailer for the previous month, unless the amount is genuinely disputed by the retailer; or
  • (b) to pay to a trader 100% of the actual charges payable by the retailer for the previous two months, unless the amount is genuinely disputed by the retailer; or
  • (c) to comply with the prudential or security requirements under the agreement for the supply of electricity between the retailer and a trader

Clause 1.1(1) serious financial breach (trader/retailer): inserted, on 15 May 2025, by clause 4(2) of the Electricity Industry Participation Code Amendment (Retailer Default) 2025.

services access interface means the point, at which access may be gained to the services available from a metering installation, that is—

  • (a) recorded in the certification report by the certifying ATH for the metering installation; and
  • (b) where information received from the metering installation can be made available to another person; and
  • (c) where signals for services such as remote control of load (but not ripple control) can be injected

Clause 1.1(1) services access interface: inserted, on 29 August 2013, by clause 4(1) of the Electricity Industry Participation (Metering Arrangements) Code Amendment 2013.

settlement default means failure of a participant to pay any amount payable when it becomes due under Part 14

Clause 1.1(1) settlement default: inserted, on 24 March 2015, by clause 4(1)(t) of the Electricity Industry Participation (Settlement and Prudential Security) Code Amendment 2013.

settlement residue is the loss and constraint excess and residual loss and constraint excess paid to a grid owner by the clearing manager under Part 14.

Clause 1.1(1) settlement residue: inserted, on 1 April 2023, by clause 4 of the Electricity Industry Participation Code Amendment (Settlement Residual Allocation Methodology) 2022.

shared unmetered load means unmetered load at a single point of connection that is distributed across more than 1 ICP, including without limitation, streetlighting in a private right-of-way servicing multiple properties, and sewage pumps servicing multiple properties

Clause 1.1(1) shared unmetered load: amended, on 1 March 2024, by clause 4(17) of the Electricity Industry Participation Code Amendment (Code Review Programme) 2024.

shortage situation [Revoked]

Clause 1.1(1) shortage situation: inserted, on 1 June 2013, by clause 4(a) of the Electricity Industry Participation (Scarcity Pricing) Code Amendment 2011.

Clause 1.1(1) shortage situation: revoked, on 1 November 2022, by clause 4(2) of the Electricity Industry Participation Code Amendment (Real Time Pricing) 2022.

shunt, for the purposes of determining the level of impedance of branches under Part 12, means an arrangement of assets where the assets comprising a branch have the same voltage across the terminals

shunt asset, for the purposes of Part 12, means a shunt connected asset that is an interconnection asset

Clause 1.1(1) shunt asset: amended, on 23 February 2015, by clause 75 of the Electricity Industry Participation Code Amendment (Distributed Generation) 2014.

Clause 1.1(1) shunt asset: amended, on 5 October 2017, by clause 4(52) of the Electricity Industry Participation Code Amendment (Code Review Programme) 2017.

simple random sampling without replacement means the general procedure of drawing consumers from a profile population to form a sample. Each consumer in the profile population must have an equal probability of being drawn and may only be drawn once

single credible contingency event means an individual credible contingency event comprising any of the following:

  • (a) a single transmission circuit interruption:
  • (b) the failure or removal from operational service of a single generating unit:
  • (c) an HVDC link single pole interruption:
  • (d) the failure or removal from service of a single bus section:
  • (e) a single inter-connecting transformer interruption:
  • (f) the failure or removal from service of a single shunt connected reactive component

Clause 1.1(1) single credible contingency event: amended, on 23 February 2015, by clause 75 of the Electricity Industry Participation Code Amendment (Distributed Generation) 2014.

Clause 1.1(1) single credible contingency event: amended, on 5 October 2017, by clause 4(53) of the Electricity Industry Participation Code Amendment (Code Review Programme) 2017.

single-line diagram means a schematic diagram of a network interface

software means, other than in Parts 10 and 15, any software—

  • (a) developed by or on behalf of a market operation service provider that is used by that market operation service provider to perform its obligations under this Code or its market operation service provider agreement; or
  • (b) used by a market operation service provider exclusively for the purposes of performing its obligations under this Code or its market operation service provider agreement

Clause 1.1(1) software: amended, on 29 August 2013, by clause 4(2)(t) of the Electricity Industry Participation (Metering Arrangements) Code Amendment 2011.

software specification means the user requirements and other information describing the software in respect of the market operation service providers

special credit clause means a clause in a risk management contract that specifies that, if a party defaults during the term of the contract, the party that is not in default will be paid a specified amount or that, on execution of the contract, the party that is not in default is provided with a guarantee that payment will be made when the settlement amount reaches a certain threshold

Clause 1.1(1) special credit clause: amended, on 30 October 2024, by clause 4(15) of the Electricity Industry Participation Code Amendment (Hedge Disclosure Obligations) 2024.

special protection scheme means a protection scheme that takes predetermined action, including reconfiguration of the grid, changes of demand, or changes of generation, to counteract a particular condition once that condition is detected. Special protection schemes allow a power system to be operated to a higher pre-event capacity limit while still in a secure state. Automatic under-frequency load shedding systems and instantaneous reserves are excluded from the requirements for special protection schemes

Clause 1.1(1) special protection scheme: inserted, on 1 June 2011, by clause 4(1) of the Electricity Industry Participation (Minor Amendments) Code Amendment 2011.

Clause 1.1(1) special protection scheme: amended, on 15 May 2014, by clause 4(6) of the Electricity Industry Participation (Minor Code Amendments) Code Amendment 2014.

Clause 1.1(1) special protection scheme: amended, on 1 February 2016, by clause 4(15) of the Electricity Industry Participation Code Amendment (Code Review Programme) 2015.

specified participant for the purposes of Part 9,—

  • (a) means any of the following:
    • (i) distributor:
    • (ii) retailer:
    • (iii) a line owner; and
  • (a) includes a person who uses electricity that is conveyed to the person directly from the grid

specified person has the meaning given in section 32(6) of the Act

Clause 1.1(1) specified person: inserted, on 31 August 2023, by clause 4 of the Electricity Industry Participation Code Amendment (Part 6A Dispensation for Specified Persons) 2023.

Clause 1.1(1) specified person: replaced, on 1 March 2024, by clause 4 of the Electricity Industry Participation Code Amendment (Part 6A Dispensation for Specified Persons) 2024.

spot price risk disclosure statement means a spot price risk disclosure statement prepared and submitted under clause 13.236A

Clause 1.1(1) spot price risk disclosure statement: inserted, on 1 December 2011, by clause 4 of the Electricity Industry Participation Code (Spot Price Risk Disclosure) Amendment 2011.

statement of extended reserve obligation [Revoked]

Clause 1.1(1) statement of extended reserve obligations: inserted, on 7 August 2014, by clause 4(3) of the Electricity Industry Participation Code Amendment (Extended Reserve) 2014.

Clause 1.1(1) statement of extended reserve obligation: revoked, on 21 December 2021, by clause 4(3) of the Electricity Industry Participation Code Amendment (Automatic Under-Frequency Load Shedding Systems) 2021.

statement of proposal, in relation to a proposal, means a statement that contains—

  • (a) a detailed statement of the proposal; and
  • (b) a statement of the reasons for the proposal; and
  • (c) an assessment of the reasonably practicable options, including the proposal; and
  • (d) any other information relevant to considering the proposal.

station dispatch group means—

  • (a) 1 or more generating units that inject into a single grid injection point; or
  • (b) 1 or more generating units that are the subject of an agreement between the system operator and a generator,—
  • and is not a block dispatch group

station net means the sum of all generating unit net outputs for generating units at a single generating station, measured or calculated at its point of connection, but excludes generating unit load and any other active or reactive power (including losses) supplied between the generating station and the point of connection

Clause 1.1(1) station net: inserted, on 1 June 2011, by clause 4(1) of the Electricity Industry Participation (Minor Amendments) Code Amendment 2011.

Clause 1.1(1) station net: amended, on 20 December 2021, by clause 4(15) of the Electricity Industry Participation Code Amendment (Code Review Programme) 2019.

station security constraint means any of the following:

  • (a) a security constraint as determined in accordance with the policy statement and applied by the system operator to a generating unit to provide voltage support or frequency keeping:
  • (b) a limitation in grid capacity that:
    • (i) is a limitation in the capacity of the grid to convey electricity between either—
      • (A) generating units constituting a station dispatch group; or
      • (B) generating units constituting a station dispatch group and the grid; and
    • (ii) arises because of either—
      • (A) a limitation in the offered capacity of the grid; or
      • (B) a security constraint as determined by the system operator in accordance with the policy statement

Clause 1.1(1) station security constraint: replaced, on 31 December 2021, by clause 4(16) of the Electricity Industry Participation Code Amendment (Code Review Programme) 2019.

stress test means a stress test published by the Authority under clause 13.236D

Clause 1.1(1) stress test: inserted, on 1 December 2011, by clause 4 of the Electricity Industry Participation Code (Spot Price Risk Disclosure) Amendment 2011.

Clause 1.1(1) stress test: amended, on 5 October 2017, by clause 4(54) of the Electricity Industry Participation Code Amendment (Code Review Programme) 2017.

sub-block dispatch groups means a grouping of generating stations or generating units within a block dispatch group into subgroups to take account of any block security constraints of which the system operator gives notice in accordance with clauses 13.61(1) and 13.73(1)(j)

Clause 1.1(1) sub-block dispatch groups: amended, on 21 September 2012, by clause 4(8) of the Electricity Industry Participation (Minor Amendments) Code Amendment 2012.

Clause 1.1(1) sub-block dispatch groups: amended, on 15 May 2014, by clause 5(8) of the Electricity Industry Participation (Modified Dispatchable Demand) Code Amendment 2013.

Clause 1.1(1) sub-block dispatch groups: amended, on 1 November 2018, by clause 4(8)(a) and (b) of the Electricity Industry Participation Code Amendment (Code Review Programme) 2018.

sub-station dispatch group means a grouping of generating units or generating stations within a station dispatch group into subgroups to take account of any station security constraints of which the system operator gives notice in accordance with clauses 13.65(1) and 13.75(1)(g)

Clause 1.1(1) sub-station dispatch groups: amended, on 15 May 2014, by clause 5(9) of the Electricity Industry Participation (Modified Dispatchable Demand) Code Amendment 2013.

Clause 1.1(1) sub-station dispatch groups: amended, on 1 February 2016, by clause 4(16) of the Electricity Industry Participation Code Amendment (Code Review Programme) 2015.

Clause 1.1(1) sub-station dispatch group: amended, on 1 November 2018, by clause 4(9) of the Electricity Industry Participation Code Amendment (Code Review Programme) 2018.

submission expiry date means—

  • (a) [Revoked]
  • (b) [Revoked]
  • (c) [Revoked]
  • (d) [Revoked]
  • (e) in the case of a submission on the draft grid reliability standards, the date published by the Authority in accordance with clause 12.61(3); and
  • (f) in the case of a submission on the issues paper, the date published by the Authority in accordance with clause 12.82(1); and
  • (g) in the case of a submission on the proposed transmission pricing methodology, the date published by the Authority in accordance with clause 12.92(2)

Clause 1.1(1) submission expiry date: amended, on 19 December 2014, by clause 4(4) of the Electricity Industry Participation Code Amendment (Minor Code Amendments) (No 3) 2014.

Clause 1.1(1) submission expiry date: amended, on 1 November 2018, by clause 4(10)(a) and (b) of the Electricity Industry Participation Code Amendment (Code Review Programme) 2018.

Clause 1.1(1) submission expiry date: paragraphs (a) and (b) revoked, on 1 August 2023, by clause 4(4) of the Electricity Industry Participation Code Amendment (System Operation Documents) 2023.

Clause 1.1(1) submission expiry date: paragraphs (c) and (d) revoked, on 1 October 2023, by clause 4(4) of the Electricity Industry Participation Code Amendment (Default Transmission Agreement) 2023.

submission information means volume information aggregated in accordance with clause 8 of Schedule 15.3 (and includes, if relevant, any profile shape or control times associated with a profile)

subsidiary means a subsidiary as defined in section 5 of the Companies Act 1993

supply means a measure of the rate of production of electrical energy

supply shortage declaration means a declaration made under clause 9.14

suspension clause means a clause in a risk management contract under which some or all of the obligations may be suspended due to an event directly relating to the supply (including transmission) or generation of electricity or the price at which electricity is supplied, including an inability to inject electricity into the grid as a result of an outage of or damage to the grid or a grid injection point or the price of electricity exceeding a level specified in the contract

sustained instantaneous reserve means the average increase in generation or reduction in demand (in MW) provided by instantaneous reserve during the first 60 seconds after the start of a “Contingent Event” (as defined in the policy statement) and that is sustained for at least 15 minutes after the start of the “Contingent Event” (unless a new dispatch instruction is given before the expiry of that 15 minute period)

Clause 1.1(1) sustained instantaneous reserve: amended, on 3 May 2022, by clause 4(3)(e) of the Electricity Industry Participation Code Amendment (Enabling Energy Storage Systems to Offer Instantaneous Reserve) 2022.

switch means the process of a customer of a losing retailer changing from receiving the supply of electricity from the losing retailer to receiving the supply of electricity from a gaining retailer, and the term switching has a corresponding meaning

Clause 1.1(1) switch: inserted, on 31 March 2020, by clause 4 of the Electricity Industry Participation Code Amendment (Prohibition of Save and Win-Back Approaches by Losing Retailers During a Switch Protected Period) 2020.

switch event meter reading, in relation to a meter or data storage device that is located at an ICP that is being switched under Schedule 11.3, means—

  • (a) a validated meter reading, if one is available; or
  • (b) a reasonable estimate of the meter reading based on the meter reading contained in the final information provided in the switch file that the losing trader received when it gained the ICP if—
    • (i) a validated meter reading is not available; and
    • (ii) the losing trader has been recorded in the registry as being responsible for the ICP for a period of less than 3 months; or
  • (c) in every other case, a permanent estimate

Clause 1.1(1) switch event meter reading: amended, on 9 October 2015, by clause 4 of the Electricity Industry Participation Code Amendment (ICP Switching) 2014.

switch protected period means the period that:

  • (a) starts on the earlier of –
    • (i) the day on which the registry manager, under clause 22(a) of Schedule 11.3, makes written notice available to the losing retailer or the losing retailer otherwise becomes aware that a customer is switching to a gaining retailer; or
    • (ii) the day on which a gaining retailer assumes responsibility for billing a customer of a losing retailer for electricity; and
  • (b) ends on the earlier of –
    • (i) the date that is 180 days after the relevant date specified in paragraph (a); or
    • (ii) the date on which the losing retailer receives a notice under clause 4A(1) of Schedule 11.5 from the Authority or otherwise becomes aware that the customer is switching from the gaining retailer back to the losing retailer due to an event of default; or
    • (iii) if the gaining retailer is a trader and makes a withdrawal request, the date on which the registry manager, under clause 22(b) of Schedule 11.3, makes written notice of the withdrawal request available to the losing retailer (if a trader); or
    • (iv) if the trader for the losing retailer and gaining retailer (neither of whom is a trader) is the same, the date on which the trader receives advice from the gaining retailer withdrawing the switch request from the losing retailer.

Clause 1.1(1) switch protected period: inserted, on 31 March 2020, by clause 4 of the Electricity Industry Participation Code Amendment (Prohibition of Save and Win-Back Approaches by Losing Retailers During a Switch Protected Period) 2020.

Clause 1.1(1) switch protected period: amended, on 1 March 2022, by clause 17(a) and (b) of the Electricity Industry Participation Code Amendment (Code Review Programme) 2019.

synchronised means the condition whereby a synchronous generating unit is electrically connected to a network and the electrical angular velocity of the generating unit corresponds with the network frequency and synchronise, de-synchronise, synchronising, synchronism and synchronisation have corresponding meanings. Asynchronous intermittent generating stations must be treated as being synchronised for the purposes of subpart 2 of Part 8

Clause 1.1(1) synchronised: amended, on 23 February 2015, by clause 75 of the Electricity Industry Participation Code Amendment (Distributed Generation) 2014.

Clause 1.1(1) synchronised: amended, on 5 October 2017, by clause 4(55) of the Electricity Industry Participation Code Amendment (Code Review Programme) 2017.

Clause 1.1(1) synchronised: amended, on 20 March 2020, by clause 4(4) of the Electricity Industry Participation Code Amendment (Broadening Definitions of Generating Unit and Intermittent Generating Station) 2020.

system instability means operating conditions under which it is reasonably likely that 1 or more generating units may cease to be synchronised with the grid

system number means a coded number assigned to assets referred to in clause 2(1)(a) of Technical Code A of Schedule 8.3 for the purposes of the operation of the grid and the management of the assets that, when used in conjunction with a locality name, uniquely identifies the assets

System operation document means any of the following documents:

  • (a) the security of supply forecasting and information policy:
  • (b) the emergency management policy:
  • (c) the policy statement:
  • (d) the procurement plan:
  • (e) the AUFLS technical requirements report:
  • (f) the system operator rolling outage plan.

Clause 1.1(1) system operation document: inserted, on 1 August 2023, by clause 4(1) of the Electricity Industry Participation Code Amendment (System Operation Documents) 2023.

system operator has the meaning given to it in section 5 of the Act

system operator register means the register kept by the system operator for recording equivalence arrangements, dispensations, and alternative ancillary service arrangements in accordance with clause 8 of Schedule 8.1 and clause 4 of Schedule 8.2.

Clause 1.1(1) system operator register: amended, on 5 October 2017, by clause 4(56) of the Electricity Industry Participation Code Amendment (Code Review Programme) 2017.

Clause 1.1(1) system operator register: amended, on 20 December 2021, by clause 4(18) of the Electricity Industry Participation Code Amendment (Code Review Programme) 2019.

system operator rolling outage plan means the system operating rolling outage plan that is incorporated by reference in this Code under clause 9.3

system security means the security and quality objectives set out in Part 8

system security forecast means the forecast prepared by the system operator under clause 8.15

system security situation means any situation that the system operator believes on reasonable grounds is not adequately mitigated by the current policy statement and 1 of the following exists:

  • (a) the system operator reasonably considers that its ability to comply with the principal performance obligations is at risk:
  • (b) there is a risk of significant damage to assets:
  • (c) public safety is at risk

system test means a test conducted on an asset, with the asset electrically connected to the grid, to assess the interaction of the asset with the grid

Clause 1.1(1) system test: amended, on 23 February 2015, by clause 75 of the Electricity Industry Participation Code Amendment (Distributed Generation) 2014.

Clause 1.1(1) system test: amended, on 5 October 2017, by clause 4(57) of the Electricity Industry Participation Code Amendment (Code Review Programme) 2017.

tail water depressed reserve means a form of generation reserve comprising a generating capacity on a motoring hydro generation set with no water flowing through the turbine that is available following a drop in system frequency

Clause 1.1(1) tail water depressed reserve: amended, on 3 May 2022, by clause 4(4) of the Electricity Industry Participation Code Amendment (Enabling Energy Storage Systems to Offer Instantaneous Reserve) 2022.

technical codes means the technical codes contained in Schedule 8.3

temporary energisation [Revoked]

Clause 1.1(1) temporary energisation: inserted, on 29 August 2013, by clause 4(1) of the Electricity Industry Participation (Metering Arrangements) Code Amendment 2011.

Clause 1.1(1) temporary energisation: revoked, on 5 October 2017, by clause 4(60) of the Electricity Industry Participation Code Amendment (Code Review Programme) 2017.

term, for the purposes of subpart 5 of Part 13, means the term of a risk management contract, being the period between the effective date and the end date

test facility means a device that permits access to voltage and current circuits for testing purposes while the metering installation is in normal service

time block means a block of trading periods either from 1 to 16 (inclusive) or from 17 to 48 (inclusive) in each trading day. On the day on which New Zealand daylight time begins time block means a block of trading periods either from 1 to 14 (inclusive) or from 15 to 46 (inclusive). On the day on which New Zealand daylight time ends, time block means a block of trading periods either from 1 to 18 (inclusive) or from 19 to 50 (inclusive)

time block meter channel means a meter channel where—

  • (a) the volume of electricity conveyed is recorded on two or more meter registers; and
  • (b) each meter register is active for a fixed period of time; and
  • (c) only one meter register is active at any point in time.

Clause 1.1(1) time block meter channel: inserted, on 1 February 2021, by clause 4(2) of the Electricity Industry Participation Code Amendment (Metering and Related Registry Processes) 2020.

time weighted contract price means, in respect of a risk management contract, a price that has, in accordance with clause 13.220, been calculated, time weighted, adjusted to a location factor for the relevant grid zone area, and corrected for losses, for the purposes of subpart 5 of Part 13

Clause 1.1(1) time weighted contract price: inserted, on 30 October 2024, by clause (4)16 of the Electricity Industry Participation Code Amendment (Hedge Disclosure Obligations) 2024.

total auction revenue means, for each auction, the aggregate of all amounts owing by all generators in the relevant time block

Clause 1.1(1) total auction revenue: amended, on 24 March 2015, by clause 4(1)(u) of the Electricity Industry Participation (Settlement and Prudential Security) Code Amendment 2013.

total required volume, for the purposes of subpart 5B of Part 13, means 2.4 MW base load equivalent of NZ electricity futures, taking into account traded NZ electricity futures across both buy quotes and sell quotes

Clause 1.1(1) total required volume: inserted, on 1 September 2022, by clause 4(2) of the Electricity Industry Participation Code Amendment (Hedge Market Arrangements) 2022.

total traded NZEF, for the purposes of subpart 5B of Part 13, means the cumulative total amount of buy quotes and sell quotes traded by that participant as NZ electricity futures up to the start of the current volume refresh period in that NZEF market-making period in relation to the applicable reference node (Benmore or Otahuhu) and for the particular month or calendar quarter referred to in clause 13.236L(1) for the participant to which the total traded NZEF is being applied

Clause 1.1(1) total traded NZEF: inserted, on 1 September 2022, by clause 4(2) of the Electricity Industry Participation Code Amendment (Hedge Market Arrangements) 2022.

traceable means having the property of traceability

traceability is the property of the result of a measurement whereby it can be related to the SI units of measurement through an unbroken chain of comparisons, each with a stated uncertainty

trade date, for the purposes of subpart 5 of Part 13, means the date the parties enter into a risk management contract

Clause 1.1(1) trade date: amended, on 30 October 2024, by clause 4(17) of the Electricity Industry Participation Code Amendment (Hedge Disclosure Obligations) 2024.

trader means a retailer or a generator or a purchaser who—

  • (a) buys electricity from the clearing manager; or
  • (b) sells electricity to the clearing manager; or
  • (c) enters into an arrangement with another retailer or generator or purchaser to buy or sell contracts (or parts of contracts) for electricity for the purposes of this Code

Clause 1.1(1) trader: amended, on 29 August 2013, by clause 4(2)(u) of the Electricity Industry Participation (Metering Arrangements) Code Amendment 2011.

trading day means the period from 0000 hours until 2400 hours on any day

trading period means a period of 30 minutes ending on each hour or 30 minutes past each hour on any trading day

trading rights means, in relation to a generator or a purchaser, the rights conferred on the generator or purchaser by this Code in relation to the trading of electricity

transfer [Revoked]

Clause 1.1(1) transfer: revoked, on 20 December 2021, by clause 4(19) of the Electricity Industry Participation Code Amendment (Code Review Programme) 2019.

transformer branch means a branch that contains a transformer

transmission alternative [Revoked]

Clause 1.1(1) transmission alternative: amended, on 21 September 2012, by clause 4(9) of the Electricity Industry Participation (Minor Amendments) Code Amendment 2012.

Clause 1.1(1) transmission alternative: revoked, on 15 May 2014, by clause 4(7)(a) of the Electricity Industry Participation (Minor Code Amendments) Code Amendment 2014.

transmission agreement means an agreement for connection and/or use of the grid and includes a default transmission agreement under subpart 2 of Part 12 (including, if relevant, an agreement for investment in the grid)

Clause 1.1(1) transmission agreement: amended, on 23 February 2015, by clause 75 of the Electricity Industry Participation Code Amendment (Distributed Generation) 2014.

Clause 1.1(1) transmission agreement: amended, on 5 October 2017, by clause 4(58) of the Electricity Industry Participation Code Amendment (Code Review Programme) 2017.

Clause 1.1(1) transmission agreement: amended, on 1 October 2023, by clause 4(5) of the Electricity Industry Participation Code Amendment (Default Transmission Agreement) 2023.

transmission alternative means an alternative to investment in the grid, including investment in local generation, energy efficiency, demand-side management and distribution network augmentation set out in Part 12

Clause 1.1(1) transmission alternative: inserted, on 15 May 2014, by clause 4(7)(b) of the Electricity Industry Participation (Minor Code Amendments) Code Amendment 2014.

transmission pricing methodology means the pricing methodology developed in accordance with subpart 4 of Part 12

transmission security constraint means a flow limit relating to the AC transmission system configuration, capacity and losses, including any adjustments that have been made in accordance with clause 13(2)(d) and (f) of Schedule 13.3, but excluding a flow limit set in relation to the HVDC link

Clause 1.1(1) transmission security constraint: amended, on 1 November 2022, by clause 4(10) of the Electricity Industry Participation Code Amendment (Real Time Pricing) 2022.

Transpower means Transpower New Zealand Limited

type A co-generator means the owner of a type A industrial co-generating station, in its capacity as owner of that industrial co-generating station

Clause 1.1(1) type A co-generator: inserted, on 27 May 2015, by clause 4(5) of the Electricity Industry Participation Code Amendment (Industrial Co-generation Dispatch Arrangements) 2015.

type A industrial co-generating station means an industrial co-generating station approved by the Authority under clause 8(1)(a)(i) of Schedule 13.4

Clause 1.1(1) type A industrial co-generating station: inserted, on 27 May 2015, by clause 4(5) of the Electricity Industry Participation Code Amendment (Industrial Co-generation Dispatch Arrangements) 2015.

type B co-generator means the owner of a type B industrial co-generating station, in its capacity as owner of that industrial co-generating station

Clause 1.1(1) type B co-generator: inserted, on 27 May 2015, by clause 4(5) of the Electricity Industry Participation Code Amendment (Industrial Co-generation Dispatch Arrangements) 2015.

type B industrial co-generating station means an industrial co-generating station approved by the Authority under clause 8(1)(a)(ii) of Schedule 13.4

Clause 1.1(1) type B industrial co-generating station: inserted, on 27 May 2015, by clause 4(5) of the Electricity Industry Participation Code Amendment (Industrial Co-generation Dispatch Arrangements) 2015.

type-testing means subjecting a sample or samples of a device to testing by an approved test laboratory accredited for the appropriate form of type-testing to verify compliance of that device with a prescribed standard or defined requirements, and type-test and type-tested have corresponding meaning

unacceptable overloading means that 1 or more grid assets exceed their stated capability, as set out in the asset capability statements for those grid assets, for the prevailing conditions, including without limitation ambient and seasonal temperature, pre-fault loading and time dependent loading cycles

unaccounted for electricity and UFE mean, for any balancing area, the quantity of electricity, as calculated per trading period by the reconciliation manager under clause 16 of Schedule 15.4.

unacceptable voltage conditions means voltages on the grid outside the limits specified in Part 8 of this Code

uncertainty means a parameter associated with the result of a measurement that characterises the dispersion of the values that could reasonably be attributed to the quantity being measured, and must be determined to a confidence level of 95% or greater unless otherwise specifically stated

unconstrained cleared offer price [Revoked]

Clause 1.1(1) unconstrained cleared offer price: revoked, on 1 November 2022, by clause 4(2) of the Electricity Industry Participation Code Amendment (Real Time Pricing) 2022.

reactive current means the component of electrical

under-frequency event means—

  • (a) an interruption to or reduction of electricity injected into the grid; or
  • (b) an interruption to or reduction of electricity injected from the HVDC link into the South Island HVDC injection point or the North Island HVDC injection point; or
  • (c) an increase in the demand for electricity supplied by the grid at a point of connection with the grid; or
  • (d) an increase in the demand for electricity at the point at which electricity is supplied to the South Island HVDC injection point or to the North Island HVDC injection point

if there is, within any 60 second period, an aggregate change to the injection of or demand for electricity in excess of 60 MW (being the aggregate of the net changes to the injection of or demand for electricity (expressed in MW) experienced at points of connection with the grid and HVDC injection points by reason of paragraphs (a) to (d)), and such change causes the frequency on the grid (or any part of the grid) to fall below 49.25 Hz (as determined by system operator frequency logging)

Clause 1.1(1) under-frequency event: replaced on 1 May 2025, by clause 4(5) of the Electricity Industry Participation Code Amendment (Common Quality Related Amendments) 2025.

under-frequency limit means the minimum frequency of 48hz for a contingent event

undesirable trading situation means any situation—

  • (a) that threatens, or may threaten, confidence in, or the integrity of, the wholesale market; and
  • (b) that, in the reasonable opinion of the Authority, cannot satisfactorily be resolved by any other mechanism available under this Code (but for the purposes of this paragraph a proceeding for a breach of clause 13.5A is not to be regarded as another mechanism for satisfactory resolution of a situation)

Clause 1.1(1) undesirable trading situation: substituted, on 18 July 2013, by clause 4(1) of the Electricity Industry Participation (Undesirable Trading Situation) Code Amendment 2013.

Clause 1.1(1) undesirable trading situation: amended, on 17 July 2014, by clause 4(2) of the Electricity Industry Participation Code Amendment (Pivotal Supply) 2014.

unit cost means the quantity calculated by dividing the product of the consumer's half hour consumption and the corresponding half hour prices over a defined time period by the sum of the consumer’s half hour consumption over the same period of time (note that the half hour prices are based on the prices for trading at the grid exit point supplying energy to the consumer)

unmetered load means electricity consumed that is not directly recorded using a meter, but is calculated or estimated in accordance with this Code, and includes shared unmetered load and distributed unmetered load

un-modelled transmission asset means a transmission asset for which the system operator's dispatch optimisation model does not include asset ratings as a constraint

Clause 1.1(1) un-modelled transmission asset: inserted, at 12.00 pm on 19 September 2019, by clause 4(5) of the Electricity Industry Participation Code Amendment (Wind Offer Arrangements) 2019.

unoffered generation means electricity supplied from a generating station for which an offer has not been made in accordance with clause 13.25, but which is purchased by the clearing manager

unplanned interruption, for the purposes of Part 12, means an interruption caused by an unplanned outage

unplanned outage

  • (a) for the purposes of Technical Code D of Schedule 8.3, means any outage that is not a planned outage; and
  • (b) for the purposes of Part 12, means an outage not planned in accordance with the planning requirements set out in the Outage Protocol

Clause 1.1(1) unplanned outage: replaced, on 1 January 2025, by clause 4(4) of the Electricity Industry Participation Code Amendment (Co-ordination of outages affecting common quality) 2024.

unsupplied demand situation means a situation in which—

  • (a) there is demand at a GXP
    • (i) in a price-responsive schedule, for which price and quantity values have been assigned by the system operator under clause 13.58AA(1)(a); or
    • (ii) in a non-response schedule, for which price and quantity values have been assigned by the system operator under clause 13.58AA(1)(b); or
    • (iii) in a dispatch schedule, for which price and quantity values have been assigned by the system operator under clause 13.69AA; and
  • (b) the system operator expects that the relevant demand will be unable to be supplied by offers in the relevant price-responsive schedule, non-response schedule, or dispatch schedule

Clause 1.1(1) unsupplied demand situation: inserted, on 1 November 2022, by clause 4(1) of the Electricity Industry Participation Code Amendment (Real Time Pricing) 2022.

use-of-system agreement [Revoked]

Clause 1.1(1) use-of-system agreement: inserted, on 1 December 2011, by clause 4(a) of the Electricity Industry Participation Code (Distributor Use-of-System Agreements and Distributor Tariffs) Amendment 2011.

Clause 1.1(1) use-of-system agreement: amended, on 1 February 2016, by clause 4(17) of the Electricity Industry Participation Code Amendment (Code Review Programme) 2015.

Clause 1.1(1) use-of-system agreement: revoked, on 20 July 2020, by clause 4(2) of the Electricity Industry Participation Code Amendment (Default Distributor Agreement) 2020.

validated meter reading means a meter reading that has passed a reconciliation participant’s validation process in accordance with clauses 16 and 17 of Schedule 15.2

value of expected unserved energy means the value of any expected unserved energy that applies under clause 4 of Schedule 12.2 or clause 12.39

Clause 1.1(1) value of expected unserved energy: amended, on 1 February 2016, by clause 4(18) of the Electricity Industry Participation Code Amendment (Code Review Programme) 2015.

verification notice, for the purposes of subpart 5 of Part 13, means the notice provided by the other party in accordance with clause 13.226(2)(b) or (c)

voltage support means an ancillary service comprising reactive power injection to the power system to boost voltage at the point of injection

volume refresh, for the purposes of subpart 5B of Part 13, means the requirement in accordance with clause 13.236L(3) to refresh the number of quotes provided by that participant

Clause 1.1(1) volume refresh: inserted, on 1 September 2022, by clause 4(2) of the Electricity Industry Participation Code Amendment (Hedge Market Arrangements) 2022.

volume refresh period, for the purposes of subpart 5B of Part 13, means, for a particular volume refresh, the time period from the time the most recent buy or sell quotes were traded as NZ electricity futures until the time the volume refresh is completed

Clause 1.1(1) volume refresh period: inserted, on 1 September 2022, by clause 4(2) of the Electricity Industry Participation Code Amendment (Hedge Market Arrangements) 2022.

volume information means the information describing the quantity of electricity generated, conveyed, or consumed that is calculated or estimated from raw meter data and supporting data, and in the case of unmetered load, calculated in accordance with this Code

washup means the correction procedure followed as set out in subpart 6 of Part 14 if incorrect information, including volume information, has been used in calculating an amount owing under Part 14

Clause 1.1(1) washup: amended, on 24 March 2015, by clause 4(1)(v) of the Electricity Industry Participation (Settlement and Prudential Security) Code Amendment 2013.

wholesale market means—

  • (a) the spot market for electricity, including the processes for setting—
    • (i) [Revoked]:
    • (ii) forecast prices and forecast reserve prices:
    • (iii) [Revoked]:
    • (iv) interim prices and interim reserve prices:
    • (v) final prices and final reserve prices:(vi) dispatch prices and dispatch reserve prices:
  • (b) markets for ancillary services:
  • (c) the hedge market for electricity, including the market for FTRs

Clause 1.1(1) wholesale market: substituted, on 18 July 2013, by clause 4(2) of the Electricity Industry Participation (Undesirable Trading Situation) Code Amendment 2013.

Clause 1.1(1) wholesale market: subparagraphs (i) and (iii) revoked, on 1 November 2022, by clause 4(11)(a) of the Electricity Industry Participation Code Amendment (Real Time Pricing) 2022.

Clause 1.1(1) wholesale market: subparagraph (vi) inserted, on 1 November 2022, by clause 4(11)(b) of the Electricity Industry Participation Code Amendment (Real Time Pricing) 2022.

wind generating station means 1 or more generating units that are connected to the grid or to a local network and that inject into the grid or a local network (as the case may be) at a single point of injection, and for which wind is the primary power source

Clause 1.1(1) wind generating station: amended, on 23 February 2015, by clause 75 of the Electricity Industry Participation Code Amendment (Distributed Generation) 2014.

Clause 1.1(1) wind generating station: amended, on 5 October 2017, by clause 4(59) of the Electricity Industry Participation Code Amendment (Code Review Programme) 2017.

winter capacity margin means the difference between a measure of the expected capacity and expected demand from 1 April to 31 October between 7am and 10pm, expressed as a MW margin over demand

winter energy margin means the difference between the expected amount of energy that can be supplied and expected demand during the period 1 April to 30 September, expressed as a percentage of expected demand

WITS means the system operated by the WITS manager

Clause 1.1(1) WITS: inserted, on 5 October 2017, by clause 4(61) of the Electricity Industry Participation Code Amendment (Code Review Programme) 2017.

WITS manager means the market operation service provider for the time being appointed as wholesale information trading system provider under this Code

Clause 1.1(1) WITS manager: inserted, on 5 October 2017, by clause 4(61) of the Electricity Industry Participation Code Amendment (Code Review Programme) 2017.

working day [Revoked]

Clause 1.1(1) working day: revoked, on 5 October 2017, by clause 4(60) of the Electricity Industry Participation Code Amendment (Code Review Programme) 2017.

working standard means a measuring instrument that has been calibrated by an approved calibration laboratory or an ATH, that is used routinely for the calibration of metering installations and metering components

Clause 1.1(1) working standard: amended, on 29 August 2013, by clause 4(2)(v) of the Electricity Industry Participation (Metering Arrangements) Code Amendment 2011.

works has the meaning given to it in section 5 of the Act

year [Revoked]

Clause 1.1(1) year: revoked, on 5 October 2017, by clause 4(60) of the Electricity Industry Participation Code Amendment (Code Review Programme) 2017.

zone means the following points of connection:

  • (a) zone 1: all points of connection to the grid in the North Island on circuits north of Huntly (excluding the Thames Valley spur):
  • (b) zone 2: all points of connection to the grid in the North Island not in zone 1:
  • (c) zone 3: all points of connection to the grid in the South Island on circuits north of (and not including) Islington, Coleridge, Hororata and Papanui:
  • (d) zone 4: all points of connection to the grid in the South Island not in zone 3

(2) Any term that is defined in the Act and used, but not defined in this Code, has the same meaning as in the Act.

Compare: Electricity Governance Rules 2003 rule 1 part A

1.2

General principles of construction

In this Code—

  • (a) a participant who carries on the functions or business of a generator, a purchaser, a distributor, a grid owner or a market operation service provider is, for the purpose of this Code, to be treated as a separate person for each such function or business, notwithstanding that at law all or any of the functions or businesses may be carried on by the same person; and
  • (b) for the purpose of the arrangements expressed in this Code as to the supply and conveyance of electricity by a generator or a purchaser to another generator or purchaser, the supply and conveyance is deemed to have been made, notwithstanding that the physical flow of electricity from generators to consumers will not necessarily correspond with the contractual supply of electricity from generators to purchasers.

Compare: Electricity Governance Rules 2003 rule 2 part A

1.3

Special definition of “related”

For the purposes of this Code a person (the “first person”) is deemed to be related to another person (the “second person”) if the first person is related to the second person by reason of any domestic or business relationship (other than because the second person is a customer of the first person), such that the first person can reasonably be expected to have influence over the second person’s judgment in trading or investment matters, or to be consulted by the second person before any such judgment is formed, and if the first person is deemed to be so connected, the second person is also deemed to be related to the first person. No person is deemed to be related to any other person if either person is a shareholding minister as that term is defined in section 2 of the State-Owned Enterprises Act 1986 or any other New Zealand legislation, provided that person is acting in his or her capacity as a shareholding minister.

Compare: Electricity Governance Rules 2003 rule 3 part A

Clause 1.3: amended, on 1 November 2018, by clause 4(11) of the Electricity Industry Participation Code Amendment (Code Review Programme) 2018.

1.4

Special definition of “independent”

A person is deemed to be independent for the purposes of this Code, unless the person—

  • (a) is a director or employee of a participant; or
  • (b) has a direct or indirect financial interest, whether legal or beneficial, and whether as a shareholder, a partner or another equity holder in a participant, other than an interest not greater than 0.1% of the equity capital or funds of the relevant entity or, if that entity is a subsidiary of another entity, of the other entity; or
  • (c) is a director or employee of a shareholder, a partner or another equity holder referred to in paragraph (b); or
  • (d) is a person who regularly or from time to time trades, directly or indirectly, under this Code.

Compare: Electricity Governance Rules 2003 rule 4 part A

1.5

Special definition of “purchaser” and “participant”

  • (1) For any matter that relates to a trading period during which a notice given under subclause (2) is in effect, a reference in Parts 8, 13, 14, or 14A of this Code to a purchaser or a participant that incurs financial obligations under this Code or owes an amount to the clearing manager, if it refers to a participant who is described as participant B in the notice, must be read as a reference to the participant who is described as participant A in the notice.
  • (2) A participant (participant A) may, by notice in the form set out in Schedule 1.1, give notice to the Authority that, from a date specified in the notice, participant A will assume all rights and obligations under Parts 8, 13, 14, and 14A of this Code of another participant named in the notice (participant B) in participant B’s capacity as a purchaser and a participant that incurs financial obligations under this Code or owes an amount to the clearing manager.
  • (3) A notice given under subclause (2) takes effect from the first trading period on—
    • (a) the date specified in the notice, which must be at least 10 business days after the date that the notice is given to the Authority, or
    • (b) if the Authority reasonably considers additional time is required in any particular case, any later date specified by the Authority in a notice given to the participant (participant A) within 10 business days after the date the Authority receives the notice in subclause (2).
  • (4) A notice given under subclause (2) does not take effect unless the Authority approves it by notice to the clearing manager, participant A, and participant B.
  • (5) Participant A or participant B may revoke a notice given under subclause (2) by giving notice to the Authority in the form set out in Schedule 1.2.
  • (6) A revocation takes effect from the first trading period on the date specified in the notice. That date must be at least 15 business days after the date that the notice is given to the Authority.
  • (7) A notice given under subclauses (2) or (5) must be signed by both participant A and participant B.
  • (8) The Authority must publish notice of—
    • (a) each approval given by the Authority under subclause (4); and
    • (b) each revocation under subclause (5).
  • (9) If, but for this clause, a provision in Parts 8, 13, 14, or 14A of this Code would confer a right or impose an obligation on participant B in participant B’s capacity as a purchaser or a participant that incurs financial obligations under this Code or owes an amount to the clearing manager, that provision must be read as conferring the right or imposing the obligation on participant A in respect of every trading period during which a notice under subclause (2) is in effect.
  • (10) Participant A is able to comply with any obligation that arises from the operation of subclause (9) by complying in aggregate with its own obligations under this Code and obligations that arise from the operation of subclause (9).
  • (11) To avoid doubt, for any trading period during which a notice under subclause (2) is in effect, participant A is deemed to be the person who buys electricity from the clearing manager for participant B.

Compare: Electricity Governance Rules 2003 rule 5 part A

Heading of clause 1.5: amended, on 24 March 2015, by clause 4(2)(a) of the Electricity Industry Participation (Settlement and Prudential Security) Code Amendment 2013.

Clause 1.5(1): amended, on 24 March 2015, by clause 4(2)(b) of the Electricity Industry Participation (Settlement and Prudential Security) Code Amendment 2013.

Clause 1.5(2): amended, on 24 March 2015, by clause 4(2)(c) of the Electricity Industry Participation (Settlement and Prudential Security) Code Amendment 2013.

Clause 1.5(9): amended, on 24 March 2015, by clause 4(2)(d) of the Electricity Industry Participation (Settlement and Prudential Security) Code Amendment 2013.

Clause 1.5(3): replaced, on 1 March 2024, by clause 5 of the Electricity Industry Participation Code Amendment (Code Review Programme) 2024.

1.5A

Application of Code to distributors

Except in Parts 6, 9, and 12A, nothing in this Code applies to a distributor in respect of its distribution activities that are not conducted on a network that is—

  • (a) directly connected to the grid; or
  • (b) indirectly connected to the grid through 1 or more other networks.

Clause 1.5A: inserted, on 1 February 2016, by clause 5 of the Electricity Industry Participation Code Amendment (Code Review Programme) 2015.

Clause 1.5A: amended, on 5 October 2017, by clause 5 of the Electricity Industry Participation Code Amendment (Code Review Programme) 2017.

1.6

Contents tables

The contents tables that appear at the beginning of this Code, and at the beginning of each Part, are included only to assist in reading this Code, and do not form part of it.

1.7

Defined terms appear in bold

Words and phrases appear in bold in this Code only to alert the reader to the fact that they are defined in this Part.

Schedule 1.1

cl 1.5(2)

Notice of assumption of rights and obligations under Parts 8, 13, 14, and 14A of the Electricity Industry Participation Code 2010

Heading: amended, on 24 March 2015, by clause 5(1) of the Electricity Industry Participation (Settlement and Prudential Security) Code Amendment 2013.

Schedule 1.1.pdf
31 July 2025 1 page
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Schedule 1.2

cl 1.5(5)

Revocation of notice of assumption of rights and obligations under Parts 8, 13, 14, and 14A of the Electricity Industry Participation Code 2010

Heading: amended, on 24 March 2015, by clause 6(1) of the Electricity Industry Participation (Settlement and Prudential Security) Code Amendment 2013.

Schedule 1.2.pdf
31 July 2025 1 page
View pdf