Code and compliance

Investigations and rulings

As New Zealand's electricity regulator, it’s our job to actively monitor the electricity market, enforce the rules and hold industry participants to account.

You can see our ongoing investigations into alleged breaches below. If you are an industry participant and there is an open investigation, you can opt to join the investigation if you have been affected by the breach.

How we deal with alleged breaches

Date Industry participant Description Status
9 January 2024 Transpower New Zealand Ltd
Failure to apply security constraints correctly. Clause 30.1B of the policy statement.
Openinvestigation underway
25 September 2023 South Pacific Energy Ltd
Late payment to the clearing manager. Code clause 14.31(1)(a).
Openinvestigation underway
15 December 2023 Counties Energy Ltd
Concerns about a distributed generator’s dealings with a connected distributor. Code clause 23(2) of Schedule 6.1.
Closedno further action
13 December 2022 Ecotricity Limited Partnership
Refusal to provide consumers’ consumption data. Code clauses 11.32A, 11.32B, 11.32E, 11.32EA and 11.32EB.
Closedreferred to Rulings Panel
25 October 2022 Counties Energy Ltd
Undetected metering installation fault that caused the amount of electricity measured to be reduced. Code clauses 17(4)(d), 17(4)(f) and 17(4)(g) of Schedule 15.2.
Closedno further action
25 October 2022 Nova Energy Ltd
Undetected metering installation fault that caused the amount of electricity measured to be reduced. Code clauses 17(4)(d), 17(4)(f) and 17(4)(g) of Schedule 15.2.
Closedno further action
25 October 2022 Power House 23 Ltd, Summersby Holdings Ltd
Refusal to provide consumers’ electricity consumption data. Code clauses 11.32A–11.32C.
Closedno further action
13 October 2022 Transpower New Zealand Ltd
Incorrectly modelled the AC transmission system by incorrectly modelling the Pakuranga to Whakamaru circuit impedances. Self-reported breaches. Code clauses 13.58A(1)(e)(i) and 13.58A(2)(d)(i).
Closedno further action
13 October 2022 Aurora Energy Ltd, Powerco Ltd, Vector Ltd
Inclusion of certain exclusion of liability terms as recorded terms that circumvented the core terms of the default distributor agreements.
Closedno further action
16 June 2022 Genesis Energy Ltd
Incorrect modelling of the AC transmission system during a multi-stage project at the Mangahao substation. Code clauses 13.58A(1)(e)(i), 13.58A(2)(d)(i), 13.69A and 13.88(3).
Closedno further action
12 April 2022 Transpower New Zealand Ltd
Poor management of 9 August 2021 grid emergency. Code clause 7.1A(1), 7A(7) of Technical Code B of Schedule 8.3 and clause 80.2 of the Policy Statement.
Closedreferred to Rulings Panel
28 February 2022 Genesis Energy Ltd
Withholding generation capacity during trading periods 37-42 on 9 August 2021. Code clause 13.5A.
Closedno further action