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 | |
|---|---|---|---|---|
| 16 September 2024 | Transpower New Zealand Ltd as the grid owner |
Maintenance of a transmission tower, Part 12 clause 12.113.
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Open – investigation underway
|
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| 22 August 2024 | Transpower New Zealand Ltd as the grid owner |
Grid protection at Waverley. Clause 4(4)(a)(ii) of Technical Code A, Schedule 8.3.
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Open – investigation underway
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| 5 June 2024 | Transpower New Zealand Ltd as the system operator |
Failure to apply security constraints correctly. Clause 30.1B of the policy statement.
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Closed – referred to Rulings Panel
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| 10 May 2024 | South Pacific Energy Ltd |
Late payment to the clearing manager. Code clause 14.31(1)(a).
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Closed – no further action
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| 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.
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Closed – no further action
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| 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.
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Closed – referred to Rulings Panel
|
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| 25 October 2022 | Power House 23 Ltd, Summersby Holdings Ltd |
Refusal to provide consumers’ electricity consumption data. Code clauses 11.32A–11.32C.
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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.
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Closed – no further action
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| 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.
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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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| 13 October 2022 | Transpower New Zealand Ltd as the grid owner |
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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| 16 June 2022 | Transpower New Zealand Ltd as the system operator |
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).
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Closed – no further action
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