This legislation is administered by the Electricity Authority. For more information please see: Website: https://www.ea.govt.nz/

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Contact address: PO Box 10041, Wellington 6143


Electricity Industry Participation Code (Minor Amendments) Amendment 2026

This amendment to the Electricity Industry Participation Code 2010 (Code) is made under sections 38 and 39(3) of the Electricity Industry Act 2010 (Act) by the Electricity Authority having complied with section 39 of the Act.



Contents



1


Title


7

2

Commencement

7

3

Code amended

7


Part 1

Amendments to Part 1 of the Electricity Industry Participation Code


4

Clause 1.1(1) amended (Interpretation)

7


Part 2

Amendments to Part 2 of the Electricity Industry Participation Code


5

Clause 2.19 amended (Factors the Authority must consider before publishing notice)

8

6

Clause 2.21 amended (Participants may identify confidential information)

8

7

Clause 2.22 amended (Authority dealing with information identified as confidential)

8


Part 3

Amendments to Part 6A of the Electricity Industry Participation Code


8

Clause 6A.1 amended (Purpose and outline of this Part)

8


9


10

11

12

13


14


15


16

17

18


19

20

21


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24

25

26

27

28

29

Clause 6A.3 amended (Corporate separation and arm’s-length rules applying to distributors and connected generators and connected retailers)

Clause 6A.4(3) amended (Distributor agreements) Clause 1 of Schedule 6A.1 amended

Clause 2 of Schedule 6A.1 amended Clause 3I of Schedule 6A.1 amended


Part 4

Amendments to Part 7 of the Electricity Industry Participation Code


Clause 7.16 amended (Authority must consent to consultation before system operator consults on proposal to amend system operation document)

Clause 7.21 amended (Approval of system operation documents)


Part 5

Amendments to Part 8 of the Electricity Industry Participation Code


Clause 8.5 amended (Restoration)

Clause 8.31 replaced (Grant of dispensations)

Clause 8.35 amended (Revocation of equivalence arrangement and revocation or variation of dispensation)

Clause 8.43 amended (Content of procurement plan)

Clause 8.58 replaced (Frequency keeping costs are allocated to purchasers)

Clause 8.59 amended (Availability costs allocated to generators and HVDC owner)

Clause 8.65 amended (Rebates paid for under-frequency events)

Clause 8.67 amended (Voltage support costs allocated in 3 parts – nominated peak, monthly peak and residual charges)

Clause 6 of Schedule 8.1 amended

Schedule 8.3 amended

Clause 7 of Schedule 8.3, Technical Code A amended

Clause 1 of Schedule 8.3, Technical Code A, Appendix B amended Clause 5A of Schedule 8.3, Technical Code B amended

Table A2 of Schedule 8.3, Technical Code C, Appendix A amended

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9

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Part 6



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36


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41

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48

49

50

51

52

Amendments to Part 10 of the Electricity Industry Participation Code


Clause 10.8 amended (Requirements for information to be recorded, given, produced or received)

Clause 10.21 amended (When metering equipment provider’s obligations come into effect)

Clause 10.22 amended (Change of metering equipment provider)

Clause 10.33A amended (When a trader may electrically connect point of connection)

Clause 10.33C amended (When the trader may bridge meter at ICP)

Clause 10.37 amended (Active and reactive measuring and recording requirements)

Clause 10.48 amended (Correction of defects and inaccuracies in raw meter data)

Clause 6 of Schedule 10.7 amended Clause 8A of Schedule 10.7 amended Clause 20 of Schedule 10.7 amended

Clause 37 of Schedule 10.7 amended

Clause 41 of Schedule 10.7 amended

Clause 45 of Schedule 10.7 amended

Clause 48 of Schedule 10.7 amended

Clause 9 of Schedule 10.8 amended


Part 7

Amendments to Part 11 of the Electricity Industry Participation Code


Clause 11.1 amended (Contents of this Part)

Clause 11.26 amended (Reports to reconciliation manager)

Clause 11.30B amended (Provision of information on electricity plan comparison site)

Clause 1 of Schedule 11.1 amended

Clause 5 of Schedule 11.1 amended

Clause 11 of Schedule 11.1 amended

Clause 19 of Schedule 11.1 amended

Clause 25 of Schedule 11.1 amended


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14

53 Clause 4 of Schedule 11.3 amended 14


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63

64

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67

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75

76

Clause 13 of Schedule 11.3 amended


Part 8

Amendments to Part 11A of the Electricity Industry Participation Code


Clause 36 of Schedule 11A amended


Part 9

Amendments to Part 12 of the Electricity Industry Participation Code


Clause 12.10 amended (Default transmission agreements)

Clause 12.50 amended (Copies of other agreements to be provided to Authority)

Clause 12.57 amended (Principles of grid reliability standards) Clause 12.77 amended (Recovery of investment costs by Transpower)

Clause 12.110 amended (Incorporation of interconnection asset capacity and grid configuration by reference)

Clause 12.114 amended (Investments to meet the grid reliability standards)

Clause 12.117 amended (Permanent removal of interconnection assets from service or permanent grid reconfiguration)

Clause 12.127 amended (Transpower to report on availability and reliability) Clause 12.141 amended (Consideration of likely effects of planned outages) Clause 2 of Schedule 12.3 amended

Clause 3 of Schedule 12.4 amended

Clause 20 of Schedule 12.4 amended

Clause 24 of Schedule 12.4 amended

Clause 51 of Schedule 12.4 amended

Clause 52 of Schedule 12.4 amended

Clause 53 of Schedule 12.4 amended

Clause 54 of Schedule 12.4 amended

Clause 64 of Schedule 12.4 amended

Clause 83 of Schedule 12.4 amended

Clause 88 of Schedule 12.4 amended

Clause 112 of Schedule 12.4 amended

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77 Clause 117 of Schedule 12.4 amended 17


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90


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92


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94


95


96

97

Clause 122 of Schedule 12.4 amended

Clause 123 of Schedule 12.4 amended

Clause 133 of Schedule 12.4 amended

Clause 37.2 of Schedule 12.6 amended


Part 10

Amendments to Part 13 of the Electricity Industry Participation Code


Clause 13.2E amended (Publication of information in quarterly disclosure reports by the Authority)

Clause 13.2G amended (Authority may require review of disclosure requirements or certification by independent person)

Clause 13.3A amended (Approval process for dispatch-capable load stations)

Clause 13.3E amended (Approval process for dispatch notification purchasers)

Clause 13.4 amended (Contents of this subpart)

Clause 13.6 amended (Requirements for generators when submitting offers) Clause 13.9B amended (Offer requirements for intermittent generators)

Clause 13.9C amended (Information must be provided in response to an approved forecaster request)

Clause 13.19C amended (Dispatch notification purchasers and dispatch notification generators to submit revised bids and offers in certain circumstances)

Clause 13.82 amended (Dispatch instructions to be complied with)

Clause 13.98 amended (Generators and ancillary service agents may change other parameters)

Clause 13.136 amended (Offered embedded generators to provide half-hour metering information)

Clause 13.173C amended (Authority to determine whether pricing error has occurred)

Clause 13.205 amended (Calculation of constrained on amounts attributable to system operator)

Clause 13.219 amended (Information that must be submitted) Clause 13.231A amended (Audit process)

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19

98 Clause 13.233 amended (WITS manager and Authority must keep certain 19

information confidential)


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101

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104

105

106

107

108

109

110

111

112

113


114

115

116

117

118

119

120


121

Clause 13.236A amended (Disclosing participants must prepare and submit spot price risk disclosure statements)

Clause 13.256 amended (Generator retailers must provide ITP information to the Authority)

Clause 13.258 amended (Publication of ITP information by the Authority) Clause 13.279 amended (Appointment of auditor)

Clause 13.280 amended (Carrying out of audit)

Clause 13.281 amended (Payment of costs relating to audits) Clause 8 of Schedule 13.3 amended

Clause 9 of Schedule 13.3 amended Clause 9A of Schedule 13.3 amended Clause 16 of Schedule 13.3 amended Clause 3 of Schedule 13.3AA amended Clause 9 of Schedule 13.4 amended

Clause 13 of Schedule 13.4 amended

Clause 2 of Schedule 13.5 amended

Schedule 13.8 amended


Part 11

Amendments to Part 15 of the Electricity Industry Participation Code


Clause 15.13 amended (Notice by embedded generators)

Clause 15.26 amended (Reconciliation manager to correct information) Clause 11 of Schedule 15.2 amended

Clause 20 of Schedule 15.2 amended

Clause 8 of Schedule 15.3 amended

Clause 19 of Schedule 15.4 amended Clause 22(b) of Schedule 15.4 amended


Part 12

Amendments to Part 16A of the Electricity Industry Participation Code


Clause 16A.16 amended (Costs of audits)

20


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Amendment


  1. Title

    This is the Electricity Industry Participation Code (Minor Amendments) Amendment 2026.


  2. Commencement

    This amendment comes into force on 1 August 2026, except for clause 118(1) which will come into force on 1 October 2026.


  3. Code amended

    This amendment amends the Electricity Industry Participation Code 2010.


    Part 1

    Amendments to Part 1 of the Electricity Industry Participation Code


  4. Clause 1.1(1) amended (Interpretation)

    1. In clause 1.1(1), definition of bank, replace “Reserve Bank of New Zealand 1989” with “Banking (Prudential Supervision) Act 1989”.

    2. In clause 1.1(1), subparagraph (ba)(iv) of the definition of bona fide physical reason:

      1. replace “asset” with “asset”; and

      2. replace “assets” with “assets”.

    3. In clause 1.1(1), revoke the definition of capacity reserve.

    4. In clause 1.1(1), revoke the definition of designated transmission customers.

    5. In clause 1.1(1), insert in its appropriate alphabetical order:

      designated transmission customer means a participant who is required to enter into a

      transmission agreement with Transpower under subpart 2 of Part 12

  1. In clause 1.1(1), definition of distribution network capacity, replace “generation” with “generation”.

  2. In clause 1.1(1), definition of financial year, replace “the financial year” with “the financial year”.

  3. In clause 1.1(1), definition of forecast reserve prices, insert “reserve” after “fast instantaneous”.

  4. In clause 1.1(1), paragraph (b) of the definition of incremental costs, replace “distributed generation.” with “distributed generation”.

  5. In clause 1.1(1), definition of interconnection asset, replace “subparts 2, 6 and 7” with

    “subparts 6 and 7”.

  6. In clause 1.1(1), definition of net purchase quantity assessment, replace “principal performance objectives” with “principal performance obligation”.

  7. In clause 1.1(1), definition of node, replace “transformer” with “transformer”.

  8. In clause 1.1(1), definition of notified planned outage, replace “Technical Code” with “Technical Code” in each place.

  9. In clause 1.1(1), definition of outage, replace “Technical Code” with “Technical Code”.

  10. In clause 1.1(1), definition of planned outage, replace “Technical Code” with “Technical Code”.

  11. In clause 1.1(1), definition of scaling factor, replace “Technical Code” with “Technical Code”.

  12. In clause 1.1(1), definition of specified person, replace “section 32(6)” with “section 5”.

  13. In clause 1.1(1), definition of un-modelled transmission asset, replace “transmission asset” with “transmission asset”.

  14. In clause 1.1(1), definition of unplanned outage, replace “Technical Code” with “Technical Code”.


Part 2

Amendments to Part 2 of the Electricity Industry Participation Code

  1. Clause 2.19 amended (Factors the Authority must consider before publishing notice)

    In clause 2.19(2), replace “apply.” with “apply.”.


  2. Clause 2.21 amended (Participants may identify confidential information)

    In clause 2.21, delete “(1)” before “In supplying information”.


  3. Clause 2.22 amended (Authority dealing with information identified as confidential)

    In the chapeau of clause 2.22(5)(c), replace “if different from the participant” with “if different from the participant”.


    Part 3

    Amendments to Part 6A of the Electricity Industry Participation Code


  4. Clause 6A.1 amended (Purpose and outline of this Part)

    In clause 6A.1, replace “MW” with “MW” in each place.


  5. Clause 6A. 3 amended (Corporate separation and arm’s-length rules applying to distributors and connected generators and connected retailers)

    In clause 6A.3(3)(a), replace “MW” with “MW”.


  6. Clause 6A. 4(3) amended (Distributor agreements)

    In clause 6A.4(3)(a), replace “MW” with “MW”.

  7. Clause 1 of Schedule 6A.1 amended

    In clause 1(2) of Schedule 6A.1, replace “arm’s-length” with “arm’s-length”.


  8. Clause 2 of Schedule 6A.1 amended

    In the chapeau of clause 2(2) of Schedule 6A.1, replace “interested” with “interested”.


  9. Clause 3I of Schedule 6A.1 amended

    In clause 3I(1)(a) of Schedule 6A.1, replace “MW” with “MW”.


    Part 4

    Amendments to Part 7 of the Electricity Industry Participation Code

  10. Clause 7.16 amended (Authority must consent to consultation before system operator consults on proposal to amend system operation document)

    1. In clause 7.16(2)(a), replace “Code” with “Code”.

    2. In the chapeau of clause 7.16(3), replace “system operator” with “system operator”.


  11. Clause 7.21 amended (Approval of system operation documents)

    In clause 7.21(3)(a), replace “Code” with “Code”.


    Part 5

    Amendments to Part 8 of the Electricity Industry Participation Code

  12. Clause 8.5 amended (Restoration)

    In clause 8.5(1)(a), replace “generation” with “generation”.


  13. Clause 8.31 replaced (Grant of dispensations)

    Replace clause 8.31(1)(c) with:

    (c) if the dispensation is a generating unit dispensation from clause 8.19(1) or (3), the generator must be allocated the following costs in a relevant trading period with respect to paragraph (a) for each of fast instantaneous reserves or sustained instantaneous reserves:


    DispCostGENxt = 0.5 × QGENxt × PIRt


    where

    DispCostGENxt is the cost payable by a generator for generating unit x in any trading period t in which a class of instantaneous reserves is procured as a direct result of that generating unit’s dispensation to ensure that the frequency does not fall below 47 Hertz or, in the South Island, below the minimum South Island frequency



QGENxt

is the MW amount by which generating unit x is unable to sustain

pre-event output in trading period t with reference to clause 8.19(1) or

(3) (as the case may be) as determined from the capabilities specified in that generating unit’s dispensation (different amounts may be specified with respect to each class of instantaneous reserves)

PIRt

is the final reserve price for fast instantaneous reserves or sustained instantaneous reserves (as the case may be) in trading period t in the relevant island.

  1. Clause 8.35 amended (Revocation of equivalence arrangement and revocation or variation of dispensation)

    In clause 8.35(1)(d), replace “provided” with “provided”.


  2. Clause 8.43 amended (Content of procurement plan)

    In clause 8.43(a)(iv), replace “alternative ancillary services arrangements” with “alternative ancillary service arrangements”.


  3. Clause 8.58 replaced (Frequency keeping costs are allocated to purchasers)

    8.58 Frequency keeping costs are allocated to purchasers

    The allocable cost of frequency keeping must be paid by purchasers to the system operator in accordance with the process in clause 8.68. Those costs must be calculated in accordance with the following formula:

    where


    SharePURx

    is purchaser x’s share of allocable cost in relation to frequency keeping

    Fc

    is the allocable cost of frequency keeping services in the billing period

    OfftakePURxt

    is the total reconciled quantity in kWh for purchaser x across all

    grid exit points in trading period t in the billing period

    EFK

    PURxt

    is the quantity of any frequency keeping provided under any alternative ancillary service arrangement for frequency keeping authorised by the system operator for purchaser x in trading period t.

    Replace clause 8.58 with:

  4. Clause 8.59 amended (Availability costs allocated to generators and HVDC owner)

    In clause 8.59:

    1. replace the formula with:


      𝐒𝐒𝐒𝐒𝐒𝐒𝐒𝐒𝒆𝒆𝒕𝒕 =

      𝑨𝑨𝒄𝒄𝒕𝒕 × 𝒎𝒎𝒕𝒕

      𝑴𝑴𝒕𝒕


    2. in the definition of INJGENxt, replace “injected” with “injected”.


  5. Clause 8.65 amended (Rebates paid for under-frequency events)

    In clause 8.65, replace “RebateXe” with “Rebatexe”.


  6. Clause 8.67 amended (Voltage support costs allocated in 3 parts – nominated peak, monthly peak and residual charges)

    1. In clause 8.67(2):

      Qxjz

      is Nom PeakLINESxjz, which is the peak demand in kvar (in zone z) nominated to the system operator in advance of, and having effect from, 1 March each year by connected asset owner x at its connected asset owner kvar reference node j

      1. replace Qxj z and its definition with:

      2. in the definition of Σj, replace “nodes” with “nodes”.

    2. In clause 8.67(3), replace “kvar reference” with “kvar reference” in each place.

    3. In clause 8.67(5):

      1. replace “kvar reference” with “kvar reference” in each place; and

      2. in the definition of Qxjz, replace “demand” with “demand”.


  7. Clause 6 of Schedule 8.1 amended

    (1) In clause 6(1) of Schedule 8.1, replace “published” with “published”.

    (2) In clause 6(3) of Schedule 8.1, replace “publication” with “publication”.


  8. Schedule 8.3 amended

    In the heading of Schedule 8.3, replace “cl 1.1” with “cls 8.25 and 8.28”.


  9. Clause 7 of Schedule 8.3 Technical Code A amended

    In clause 7(1) of Schedule 8.3, Technical Code A, replace “excluded generator” with “excluded generating station”.


  10. Clause 1 of Schedule 8.3, Technical Code A, Appendix B amended

    In clause 1(4) of Schedule 8.3 Technical Code A, Appendix B, replace “commissioned” with “commissioned”.

  11. Clause 5A of Schedule 8.3, Technical Code B amended

    In clause 5A(4)(a)(i) of Schedule 8.3, Technical Code B, replace “network” with “network”.


  12. Table A2 of Schedule 8.3, Technical Code C, Appendix A amended

    In Schedule 8.3, Technical Code C, Appendix A, replace the heading “Table A2: Requirements of grid owners:” with “Table A2: Requirements of grid owners”.


    Part 6

    Amendments to Part 10 of the Electricity Industry Participation Code

  13. Clause 10.8 amended (Requirements for information to be recorded, given, produced or received)

    In clause 10.8(1), replace “notified” with “notified”.


  14. Clause 10.21 amended (When metering equipment provider’s obligations come into effect)

    In clause 10.21(1)(a), replace “equipment” with “equipment”.


  15. Clause 10.22 amended (Change of metering equipment provider)

    1. In clause 10.22(1C), replace “subclause 1(A)” with “subclause (1A)”.

    2. In the chapeau of clause 10.22(5), replace “provider” with “provider”.


  16. Clause 10.33A amended (When a trader may electrically connect point of connection)

    (1) In clause 10.33A(1)(a)(i)(B)(2), replace “switch” with “switch”.

    (2) In clause 10.33A(3)(c), replace “switch” with “switch”.

    1. In the chapeau of clause 10.33A(5):

      1. replace “authorised” with “authorised”; and

      2. replace “switch” with “switch”.

    2. In clause 10.33A(5)(b)(ii), replace “switch” with “switch”.


  17. Clause 10.33C amended (When the trader may bridge meter at ICP)

    1. In clause 10.33C(5)(c):

      1. replace “electricity” with “electricity”; and

      2. replace “certified” with “certified”.

    2. In clause 10.33C(6), replace “electricity” with “electricity”.


  18. Clause 10.37 amended (Active and reactive measuring and recording requirements)

    In clause 10.37(1), replace, “category 3” with “category 3”.

  19. Clause 10.48 amended (Correction of defects and inaccuracies in raw meter data)

    In clause 10.48(3), after “the period referred to”, insert “in”.


  20. Clause 6 of Schedule 10.7 amended

    In clause 6(1)(c) of Schedule 10.7, replace “the metering installation” with “the

    metering installation”.


  21. Clause 8A of Schedule 10.7 amended

    1. In clause 8A(2)(a) of Schedule 10.7, replace “category” with “category”.

    2. In clause 8A(2)(b) of Schedule 10.7, replace “expiry date” with “expiry date”.


  22. Clause 20 of Schedule 10.7 amended

    In clause 20(1)(j) of Schedule 10.7, replace “service access interface” with “services access interface”.


  23. Clause 37 of Schedule 10.7 amended

    In the chapeau of clause 37(2) of Schedule 10.7, replace “expiry date” with “expiry date”.


  24. Clause 41 of Schedule 10.7 amended

    1. In clause 41(2)(b) of Schedule 10.7, replace “certification date” with “certification date”.

    2. In clause 41(7)(a) of Schedule 10.7, replace “certification” with “certification”.


  25. Clause 45 of Schedule 10.7 amended

    In clause 45(1A)(b) of Schedule 10.7, replace “certification” with “certification”.


  26. Clause 48 of Schedule 10.7 amended

    1. In clause 48(1A) of Schedule 10.7, replace “control device” with “control device” in each place.

    2. In clause 48(1E) of Schedule 10.7, replace “generation” with “generation” in each place.


  27. Clause 9 of Schedule 10.8 amended

    In clause 9(1)(b)(ii)(A) of Schedule 10.8, replace “reference conditions” with “reference conditions”.


    Part 7

    Amendments to Part 11 of the Electricity Industry Participation Code

  28. Clause 11.1 amended (Contents of this Part)

    In clause 11.1(f), replace “information about their own consumption of electricity” with “their electricity information”.


  29. Clause 11.26 amended (Reports to reconciliation manager)

    In clause 11.26(a), replace “non half-hour metering type” with “non half-hour metering type”.


  30. Clause 11.30B amended (Provision of information on electricity plan comparison site)

    In clause 11.30B(5), replace “11.30A” with “11.30B”.


  31. Clause 1 of Schedule 11.1 amended

    In clause 1(3) of Schedule 11.1, replace “identify” with “identify”.


  32. Clause 5 of Schedule 11.1 amended

    In clause 5 of Schedule 11.1, replace “network supply point” with “NSP”.


  33. Clause 11 of Schedule 11.1 amended

    In clause 11(1)(a) of Schedule 11.1, replace “trading” with “trading”.


  34. Clause 19 of Schedule 11.1 amended

    In clause 19(2)(b) of Schedule 11.1, replace “ICP” with “ICP”.


  35. Clause 25 of Schedule 11.1 amended

    In clause 25(5) of Schedule 11.1, replace “NSP” with “NSP”.


  36. Clause 4 of Schedule 11.3 amended

    In the chapeau of clause 4(1) of Schedule 11.3, replace “losing trader” with “losing

    trader”.


  37. Clause 13 of Schedule 11.3 amended

    In the chapeau of clause 13(1)(a)(ii) of Schedule 11.3, replace “ICP” with “ICP”.


    Part 8

    Amendments to Part 11A of the Electricity Industry Participation

    Code

  38. Clause 36 of Schedule 11A amended

    In clause 36(3)(b) of Schedule 11A, replace “uncontacted” with “uncontracted”.

    Part 9

    Amendments to Part 12 of the Electricity Industry Participation Code

  39. Clause 12.10 amended (Default transmission agreements)

    In clause 12.10(3)(b)(ii), replace “for assets” with “for assets”.


  40. Clause 12.50 amended (Copies of other agreements to be provided to Authority)

    In clause 12.50, replace “grid” with “grid”.


  41. Clause 12.57 amended (Principles of grid reliability standards)

    In clause 12.57, replace “assets” with “assets” in each place.


  42. Clause 12.77 amended (Recovery of investment costs by Transpower)

    In clause 12.77, replace “the transmission pricing methodology” with “the

    transmission pricing methodology”.


  43. Clause 12.110 amended (Incorporation of interconnection asset capacity and grid configuration)

    In clause 12.110(1):

    1. replace “interconnection asset” with “interconnection asset”; and

    2. replace “grid” with “grid”.


  44. Clause 12.114 amended (Investments to meet the grid reliability standards)

    In clause 12.114(1)(b):

    1. replace “meet” with “meet”; and

    2. replace “that asset” with “that interconnection asset”.


  45. Clause 12.117 amended (Permanent removal of interconnection assets from service or permanent grid reconfiguration)

    In clause 12.117, replace “MWh” with “MWh” in each place.


  46. Clause 12.127 amended (Transpower to report on availability and reliability)

    In clause 12.127(1)(i), replace “clause 12.126;” with “clause 12.126; and”.


  47. Clause 12.141 amended (Consideration of likely effects of planned outages)

    (1) In clause 12.141(2), replace “MWh” with “MWh” in each place.

    1. In the chapeau of clause 12.141(2)(b), replace “proposed planned outage” with “proposed planned outage”.

    2. In the chapeau of clause 12.141(2)(c), replace “proposed planned outage” with “proposed planned outage”.

    3. In clause 12.141(3), replace “MWh” with “MWh” in each place.


  48. Clause 2 of Schedule 12.3 amended

    In clause 2(2) of Schedule 12.3, replace “assets” with “assets”.

  49. Clause 3 of Schedule 12.4 amended

    1. In clause 3 of Schedule 12.4, definition of capacity, paragraph (c), replace “distribute” with “distribute”.

    2. In clause 3 of Schedule 12.4, definition of injection, paragraph (a), replace “grid point of injection” with “grid point of connection”.


  50. Clause 20 of Schedule 12.4 amended

    In the chapeau of clause 20(4) of Schedule 12.4, replace “the connection or

    interconnection status” with “the connection or interconnection status”.


  51. Clause 24 of Schedule 12.4 amended

    In clause 24(4) of Schedule 12.4, replace the formula with:


  52. Clause 51 of Schedule 12.4 amended

    In clause 51(6) of Schedule 12.4, replace the formula with:



  53. Clause 52 of Schedule 12.4 amended

    In clause 52(8) of Schedule 12.4, replace the formula with:



  54. Clause 53 of Schedule 12.4 amended

    In clause 53(6) of Schedule 12.4, replace the formula with:



  55. Clause 54 of Schedule 12.4 amended

    In clause 54(7) of Schedule 12.4, replace the formula with:


  56. Clause 64 of Schedule 12.4 amended

    1. In clause 64(2) of Schedule 12.4, replace the formula with:


    2. In clause 64(5) of Schedule 12.4, replace the final three columns in the table with:



  57. Clause 83 of Schedule 12.4 amended

    1. In clause 83(5) of Schedule 12.4, replace “After (paragraph (3)(d)” with “After (paragraph (3)(d))”.

    2. In clause 83(5C)(a) of Schedule 12.4, in the definition of SMBCregion, replace “partwith “part”.

    3. In clause 83(5C)(b) of Schedule 12.4, in the definition of SMBCregion, replace “simple method benefit cap” with “simple method BBC cap”.


  58. Clause 88 of Schedule 12.4 amended

    In clause 88(3)(a) of Schedule 12.4, replace “customer” with “customer”.


  59. Clause 112 of Schedule 12.4 amended

    In clause 112(2) of Schedule 12.4, in the definition of CRRCtotal, replace “excluding

    cap-recovery relevant charges” with “excluding cap recovery-relevant charges”.


  60. Clause 117 of Schedule 12.4 amended

    In clause 117(2)(a) of Schedule 12.4, replace “electrical” with “electrical”.


  61. Clause 122 of Schedule 12.4 amended

    In clause 122(3) of Schedule 12.4, replace “prudent discount agreement” with “prudent discount agreement”.

  62. Clause 123 of Schedule 12.4 amended

    In clause 123 of Schedule 12.4, replace the formula with:


  63. Clause 133 of Schedule 12.4 amended

    In clause 133 of Schedule 12.4, replace “prudent discount agreement” with “prudent discount agreement”.


  64. Clause 37.2 of Schedule 12.6 amended

    In clause 37.2 of Schedule 12.6:

    1. replace “regional demand” with “regional demand” in each place; and

    2. replace “as defined in” with “as calculated under”.


      Part 10

      Amendments to Part 13 of the Electricity Industry Participation Code

  65. Clause 13.2E amended (Publication of information in quarterly disclosure reports by the Authority)

    In the chapeau of clause 13.2E(1):

    1. replace “publish” with “publish”; and

    2. replace “publication” with “publication” in each place.


  66. Clause 13.2G amended (Authority may require review of disclosure requirements or certification by independent person)

    In clause 13.2G, delete “(1)”.


  67. Clause 13.3A amended (Approval process for dispatch-capable load stations) In clause 13.3A(5)(a), replace “dispatch capable load station” with “dispatch-capable load station”.


  68. Clause 13.3E amended (Approval process for dispatch notification purchasers)

    In clause 13.3E(3)(c), replace “relevant” with “relevant”.


  69. Clause 13.4 amended (Contents of this subpart)

    In the chapeau of clause 13.4, replace “trading” with “trading”.


  70. Clause 13.6 amended (Requirements for generators when submitting offers)

    1. In the chapeau of clause 13.6(1)(a), replace “intermittent generator;” with “intermittent generator:”.

    2. In the chapeau of clause 13.6(1)(b), replace “intermittent generator;” with ‘intermittent generator:”

  71. Clause 13.9B amended (Offer requirements for intermittent generators)

    In clause 13.9B(3), replace “clause 13.6(1)(b)(ii)” with “clause 13.6(1)(b)(iii)”.


  72. Clause 13.9C amended (Information must be provided in response to an approved forecaster request)

    In clause 13.9C:

    1. replace “response” with “response”; and

    2. replace “approved forecaster” with “approved forecast provider” in each place.


  73. Clause 13.19C amended (Dispatch notification purchasers and dispatch notification generators to submit revised bids and offers in certain circumstances) In clause 13.19C(4)(a), replace “the offer” with “the offer”.


  74. Clause 13.82 amended (Dispatch instructions to be complied with)

    Revoke clause 13.82(2)(b)(i).


  75. Clause 13.98 amended (Generators and ancillary service agents may change other parameters)

    In the chapeau of clause 13.98(c), replace “a generator” with “a generator”.


  76. Clause 13.136 amended (Offered embedded generators to provide half-hour metering information)

    In clause 13.136(1A)(a), replace “generation” with “generation”.


  77. Clause 13.173C amended (Authority to determine whether pricing error has occurred)

    In clause 13.173C(2)(b)(i), replace “pricing error” with “pricing error”.


  78. Clause 13.205 amended (Calculation of constrained on amounts attributable to system operator)

    In clause 13.205, in the definition of TCONP, replace “constrained on payment” with “constrained on payment”.


  79. Clause 13.219 amended (Information that must be submitted)

    In the chapeau of clause 13.219(1), replace “party” with “party”.


  80. Clause 13.231A amended (Audit process)

    1. In clause 13.231A(4), replace “the auditor has” with “the auditor has”.

    2. In clause 13.231A(5), replace “to the participant” with “to the participant”.


  81. Clause 13.233 amended (WITS manager and Authority must keep certain information confidential)

    In clause 13.233(1)(a), replace “service providers” with “service providers” in each place.


  82. Clause 13.236A amended (Disclosing participants must prepare and submit spot price risk disclosure statements)

    In clause 13.236A(4), replace “wash-up” with “washup”.


  83. Clause 13.256 amended (Generator retailers must provide ITP information to the Authority)

    In clause 13.256(3)(a)(ii), replace “retailer generator” with “generator retailer”.


  84. Clause 13.258 amended (Publication of ITP information by the Authority)

    In clause 13.258, replace “publish” with “publish”.


  85. Clause 13.279 amended (Appointment of auditor)

    In clause 13.279:

    1. replace “audit” with “audit” in each place; and

    2. replace “auditor” with “auditor” in each place.


  86. Clause 13.280 amended (Carrying out of audit)

    In clause 13.280:

    1. replace “audit” with “audit” in each place; and

    2. replace “auditor” with “auditor” in each place.


  87. Clause 13.281 amended (Payment of costs relating to audits)

    In clause 13.281:

    1. replace “audit” with “audit” in each place; and

    2. replace “auditor’s” with “auditor’s” in each place.


  88. Clause 8 of Schedule 13.3 amended

    In clause 8(1) of Schedule 13.3, replace the formula with:



  89. Clause 9 of Schedule 13.3 amended

    In clause 9(b) of Schedule 13.3, replace “generation” with “generation”.

  90. Clause 9A of Schedule 13.3 amended

    Revoke clause 9A(c)(iv).


  91. Clause 16 of Schedule 13.3 amended

    In clause 16(1)(b) of Schedule 13.3, replace “reserve prices” with “reserve prices”.


  92. Clause 3 of Schedule 13.3AA amended

    In clause 3(1) of Schedule 13.3AA, replace “Technical Code” with “Technical Code”.


  93. Clause 9 of Schedule 13.4 amended

    In clause 9(2)(a) of Schedule 13.4:

    1. replace “type A co-generating station” with “type A industrial co-generating station”; and

    2. replace “type B co-generating station” with “type B industrial co-generating station”.


  94. Clause 13 of Schedule 13.4 amended

    In clause 13(2) of Schedule 13.4, replace “type B co-generating station” with “type B industrial co-generating station”.


  95. Clause 2 of Schedule 13.5 amended

    In clause 2(2) of Schedule 13.5, replace “inter-island” with “inter-island”.


  96. Schedule 13.8 (amended)

    In the heading of Schedule 13.8, replace “cl” with “cls”.


    Part 11

    Amendments to Part 15 of the Electricity Industry Participation Code

  97. Clause 15.13 amended (Notice by embedded generators)

    In clause 15.13, replace “embedded generation station” with “embedded generating station”.


  98. Clause 15.26 amended (Reconciliation manager to correct information)

    (1) In clause 15.26(2), replace “service provider” with “service provider”.

    (2) In clause 15.26(3), replace “service provider” with “service provider”.


  99. Clause 11 of Schedule 15.2 amended

    In clause 11(2)(e) of Schedule 15.2, replace “software” with “software” in each place.


  100. Clause 20 of Schedule 15.2 amended

    In clause 20 of Schedule 15.2, replace “metering” with “metering”.

  101. Clause 8 of Schedule 15.3 amended

    1. In clause 8(2)(b) of Schedule 15.3, insert “if clause 2(1)(ad) applies” after “non half hour submission information”.

    2. In clause 8(4)(b) of Schedule 15.3, replace “non half-hour metering installation” with “non half-hour metering installation”.


  102. Clause 19 of Schedule 15.4 amended

    In clause 19 of Schedule 15.4, replace the formulae with:



  103. Clause 22(b) of Schedule 15.4 amended

    In clause 22(b) of Schedule 15.4, replace the formula with:



    Part 12

    Amendments to Part 16A of the Electricity Industry Participation Code

  104. Clause 16A.16 amended (Costs of audits)

22

  1. Replace clause 16A.16(3) with:

    1. If an audit establishes, to the reasonable satisfaction of the Authority, that the

      participant that was the subject of the audit may have breached the relevant provisions of this Code (whether or not the Authority appoints an investigator to investigate the alleged breach), the cost of the audit must be met by,—

      1. in respect of an audit carried out as a result of the Authority initiating the audit, the participant that was the subject of the audit and the Authority, in proportions to be determined by the Authority:

      2. in respect of an audit carried out in response to a request to the Authority under clause 10.17B(2), 11.11(2), or 15.37C(2), the participant that was the subject of

the audit and the participant that requested the audit, in proportions to be determined by the Authority.

  1. Replace clause 16A.16(4) with:

  1. If the audit establishes, to the reasonable satisfaction of the Authority, that the participant that was the subject of the audit does not appear to have breached the relevant provisions of this Code, or if there may have been a breach but the Authority considers it to be minor, the cost of the audit must be met by,—

    1. in respect of an audit carried out as a result of the Authority initiating the audit, the Authority:

    2. in respect of an audit carried out in response to a request to the Authority under clause 10.17B(2), 11.11(2), or 15.37C(2), the participant that was the subject of the audit and the participant that requested the audit, in proportions to be determined by the Authority.


Made at Wellington on 13 May 2026



ERIK WESTERGAARD

Acting Chair Electricity Authority


Certified in order for signature:



Nichola Lambie Rachael Brown

Manager Legal – Legislation Partner

Electricity Authority Bell Gully

12 May 2026 12 May 2026



Explanatory Note


This note is not part of the amendment but is intended to indicate its general effect.


This amendment to the Electricity Industry Participation Code 2010 comes into force on 1 August 2026 except for clause 118(1), which comes into force on 1 October 2026.

The amendment amends Parts 1, 2, 6, 7, 8, 10, 11, 11A, 12, 13, 15 and 16A of the Electricity Industry Participation Code (Code) to correct typographical errors and cross referencing, to update the reference to the Banking (Prudential Supervision) Act 1989 in the definition of “bank”, and to clarify when a participant must meet the costs of an audit.



This is secondary legislation issued under the authority of the Legislation Act 2019.

Title

Electricity Industry Participation Code (Minor Amendments) Amendment 2026

Principal or amendment

Amendment

Consolidated version

No

Empowering Act and provisions

Electricity Industry Act 2010, section 38

Replacement empowering Act and provisions

Not applicable

Maker name

Electricity Authority

Administering agency

Electricity Authority

Date made

13 May 2026

Publication date

14 May 2026

Notification date

14 May 2026

Commencement date

1 August 2026

End date (when applicable)

Not applicable

Consolidation as at date

Not applicable

Related instruments

Electricity Industry Participation Code 2010