General news
Decisions on 30 July and 7 October 2022 under-frequency events
- Compliance
In August 2023, the Electricity Authority consulted on its draft determinations for two under-frequency events on 30 July and 7 October 2022.
Our final determinations are that:
- Genesis Energy Limited was the causer of the under-frequency event on 30 July 2022
- Transpower New Zealand Limited was the causer of the under-frequency event on 7 October 2022.
Read the reasons for our determinations.
If a substantially affected participant would like to dispute these final determinations, they can provide a written notice to the Rulings Panel within 10 business days after the publication of this decision.
Notices should be sent to registrar@electricityrulingspanel.nz by 5pm on 13 November 2023.
Related News
Consultation opens on how retailers will provide consistent information about their power plans
The Electricity Authority Te Mana Hiko has opened consultation on a proposed format for the prescribed Electricity Information Exchange Protocol 14A – Re…
Authority notes decision on South Pacific Energy Limited
The Electricity Authority Te Mana Hiko acknowledges a Rulings Panel decision published today which fined electricity retailer South Pacific Energy Limited $88,…
Decision on 23 October 2025 under-frequency event
An under-frequency event occurred at about 10.12am on 23 October 2025, when HVDC Pole 3 tripped offline and the frequency in the North Island fell to 49.02…