General news

Deadline extended for feedback on 11 July 2025 under-frequency event

  • Transmission
  • Compliance

The Electricity Authority Te Mana Hiko (Authority) has extended the period for feedback from participants who may be substantially affected by the under-frequency event (UFE) on 11 July 2025.

We have extended the deadline for feedback on the draft determination of causer by one week to allow participants more time to respond. Feedback is now due by 5pm, Friday 30 January 2026 to compliance@ea.govt.nz

The Authority’s draft determination is that Transpower New Zealand Limited, as the System Operator, is the causer of the UFE. You can read the reasons in full in our draft determination of causer consultation paper.

All submissions will be considered before a determination on the UFE is finalised.

View consultation

Related News

Retailers asked to complete readiness survey on October Code amendments

The Electricity Authority is seeking information about electricity retailers’ readiness for amendments to the Electricity Industry Participation Code 2010 that…

Decision on 4 February 2026 under-frequency event

An under‑frequency event occurred at approximately 8.29pm on 4 February 2026 when HVDC Pole 3 suddenly ramped down, reducing North Island frequency to 49.20Hz.

Feedback welcome on application for a Type B industrial co-generation station

The Electricity Authority is considering an application from Fonterra for all five units at the Whareroa Co-generator to be classified as a Type B industrial c…