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
Open 6 May 2025 South Pacific Energy Ltd
Did not meet its obligations for prudential requirements on 27 February 2025. Clause 14A.6(2).
Openopen to join
Open 6 May 2025 South Pacific Energy Ltd
Did not meet its obligations for completing payment of its settlement amounts on 20 December 2024. Clause 14.31(1)(a).
Openopen to join
15 April 2025 Contact Energy Ltd
Failure to maintain an up-to-date DUML database and keep submission information complete and accurate. Clause 15.2(1) and clause 11 of Schedule 15.3.
Openinvestigation underway
13 March 2025 Genesis Energy Ltd
Dispatch non-compliance. Part 13 clause 13.82(2) and Part 13 clause 13.82(3) of the Code.
Openinvestigation underway
13 March 2025 Transpower New Zealand Ltd as the grid owner
Grid protection at Huirangi. Clause 4(4)(a)(ii) of Technical Code A, Schedule 8.3.
Openinvestigation underway
30 January 2025 Stack Power Ltd
Failure to submit certified reconciliation participant audit and performing functions without certification. Clauses 16A.13(1) and 15.38(1).
Openinvestigation underway
29 January 2025 South Pacific Energy Ltd
Failure to meet prudential requirements and pay settlement amounts. Clauses 14.31(1)(a), 14.32(1), 14A.6(2).
Openinvestigation underway
16 September 2024 Transpower New Zealand Ltd as the grid owner
Maintenance of a transmission tower, Part 12 clause 12.113.
Openinvestigation underway
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.
Closedno further action
5 June 2024 Transpower New Zealand Ltd as the system operator
Failure to apply security constraints correctly. Clause 30.1B of the policy statement.
Closedreferred to Rulings Panel
10 May 2024 South Pacific Energy Ltd
Late payment to the clearing manager. Code clause 14.31(1)(a).
Closedno further action
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