New Zealand’s electricity market regulator
Working for an electricity system that benefits all New Zealanders
News
View all newsMDAG 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 …
Feedback sought on review of security of supply standards
The Electricity Authority Te Mana Hiko is reviewing New Zealand's security of supply standards to ensure they continue to reflect an efficient level of investm…
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.
Take our survey
There's power in checking
Our projects
View all projectsImproving consumer choice
Supporting consumer information, comparison and switching initiatives.
Managing peak electricity demand
How to better manage risks to electricity supply during peak demand periods.
Code amendment omnibus
Consulting on amendments to the Electricity Industry Participation Code.
Industry
Setting and enforcing the Code
We set the Electricity Industry Participation Code 2010 - the rules that govern nearly every aspect of New Zealand's electricity industry.
It's each industry participant’s responsibility to comply with industry regulations and the Code, but we're here to support and advise.
We monitor and enforce the rules so that participants operate on a level playing field and consumers are treated fairly.