1. Under section 38 of the Electricity Industry Act 2010 (“Act”), and having complied with section 39 of that Act, the Electricity Authority (“Authority”) gives notice of making the Electricity Industry Participation Code (Instantaneous Reserve Costs Allocation) Amendment 2025 (“amendment”).

2. This amendment comes into force on 1 October 2026.

3. The amendment amends Parts 1 and 8 of the Electricity Industry Participation Code 2010 (“Code”) to ensure that groups of generating units whose assets collectively cause the need for instantaneous reserve pay an appropriate share of the procurement costs of this reserve.

4. The amendment is secondary legislation for the purpose of the Legislation Act 2019 and is administered by the Authority.

5. A copy of the amendment and the Code is available on the Authority’s website http://www.ea.govt.nz/code-and-compliance/the-code/.

6. A copy of the amendment and the Code may also be inspected free of charge or purchased from the Authority, Level 7, Aon Centre, 1 Willis Street, Wellington.

Dated at Wellington this 14th day of October 2025.

ANNA KOMINIK, Chair, Electricity Authority.