News
Stress test disclosures due by 23 December 2026
The spot price risk disclosure (stress testing) regime requires certain participants in the wholesale electricity market to assess their financial exposure to …
New guidance supports power companies to take a precautionary approach to protecting medically dependent consumers
New Zealand’s electricity regulator, the Electricity Authority Te Mana Hiko, has published new guidance to support power companies to take a precautionary appr…
Electricity Authority releases updated improved billing guidance
The Electricity Authority Te Mana Hiko has published updated guidance to help power companies implement important billing reforms by 1 April 2027. The new rule…
Reminder: nominations for the Security and Reliability Council close soon
The Electricity Authority Te Mana Hiko is calling for nominations for three members of the Security and Reliability Council.
Minor amendments to EIEP14A
The Electricity Authority has made some minor amendments to Electricity Information Exchange Protocol 14A (EIEP14A). From 30 October 2026, retailers must use t…
Electricity Information Exchange Protocols 13C and 14C electronic request formats decision
The Electricity Authority Te Mana Hiko has published its decision to update the existing EIEP13C – Electronic request format for consumption data exchanges EIE…
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Why transmission pricing matters in a changing electricity system
New Zealand's electricity system is changing rapidly. Demand for electricity is growing as homes, businesses and communities adopt new technologies and electrify. New renewable generation, including wind and solar, is being built in new locations, with a substantial pipeline of projects being progressed across the country.
Future Security and Resilience roadmap updated
The Electricity Authority Te Mana Hiko has updated its Future Security and Resilience roadmap to reflect progress since it was first published in 2022. The roa…
Code changes to address common quality issues
A package of targeted common quality Code amendments has been made by the Electricity Authority Te Mana Hiko to help maintain the security and resilience of th…
Call for nominations for the Security and Reliability Council
The Electricity Authority Te Mana Hiko is calling for nominations for three members of the Security and Reliability Council. The Security and Reliability Counc…
Call for nominations: Distribution connection pricing technical group
The Electricity Authority is calling for nominations for new members to join the 'Distribution connection pricing technical group', an independent technical gr…
Next steps for MOSP 10-year roadmap
The Electricity Authority Te Mana Hiko will focus on modernising data sharing and governance arrangements ahead of considering any structural reform of market …
Authority discontinues alleged Code breaches at Waipipi Wind Farm
The Electricity Authority has decided to discontinue its investigations into alleged breaches of the Electricity Industry Participation Code by Genesis Energy …
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Singapore and New Zealand to strengthen bilateral energy co-operation
The Energy Market Authority of Singapore and New Zealand’s Electricity Authority Te Mana Hiko will deepen cooperation on electricity market regulation and the transition to a low-carbon energy future, under a Memorandum of Arrangements.
Long-duration firming: ensuring New Zealand's electricity system can weather the long haul
New Zealand's electricity system is in the middle of a significant transition. We're seeing unprecedented levels of investment in renewable electricity generation. That's good news overall. Onshore wind and grid-scale solar are the cheapest forms of electricity generation and renewables will play a crucial role in supporting economic growth, electrification and New Zealand's emissions reduction goals.
Why compliance matters in a changing electricity sector
Compliance rarely attracts attention when it's working well. Most electricity industry participants meet their obligations, issues are identified early, and co…
MDAG recommendations update: supporting flexibility access and investment
This is the Authority’s latest update on how we are implementing the recommendations in the Market Development Advisory Group’s (MDAG) final report. It covers …
OTC bids and offers market summary April-June 2026
We have published the second edition of our new quarterly bids and offers summaries for the over-the-counter hedge market.
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