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.
| Date | Industry participant | Description | Status | |
|---|---|---|---|---|
| 28 March 2023 | Counties Energy Ltd |
Concerns about a distributed generator’s dealings with a connected distributor. Code clause 23(2) of Schedule 6.1.
|
Open – investigation underway
|
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| 13 September 2023 | Transpower New Zealand Ltd |
Determination of 14 December 2018 under-frequency event. Code clause 8.62.
|
Closed – referred to Rulings Panel
|
|
| 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.
|
Closed – referred to Rulings Panel
|
|
| 25 October 2022 | Power House 23 Ltd, Summersby Holdings Ltd |
Refusal to provide consumers’ electricity consumption data. Code clauses 11.32A–11.32C.
|
Closed – no further action
|
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| 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.
|
Closed – no 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.
|
Closed – no 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).
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Closed – no further action
|
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| 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.
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Closed – no further action
|
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| 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).
|
Closed – no 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.
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Closed – referred to Rulings Panel
|
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| 28 February 2022 | Genesis Energy Ltd |
Withholding generation capacity during trading periods 37-42 on 9 August 2021. Code clause 13.5A.
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Closed – no further action
|
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| 1 February 2022 | Transpower New Zealand Ltd |
Failure to provide protection systems for its grid assets. Schedule 8.3 of the Code.
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Closed – referred to Rulings Panel
|