We are a kaitiaki of electricity
New Zealand's electricity regulator
News
View all newsDecision on 21 December 2025 under-frequency event
An under-frequency event occurred at approximately 5.21pm on 21 December 2025 when Contact Energy Limited’s Tauhara generator tripped, reducing North Island fr…
Authority approves System Operator’s changes to Policy Statement
The Electricity Authority Te Mana Hiko has approved minor changes to the System Operator’s Policy Statement as a result of the latest regular review. These cha…
Why a well-regulated electricity sector matters to New Zealand
Electricity is an essential enabler. It helps make our modern lives possible and our businesses run. It powers the alarm clock that starts our day, the heating…
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Our projects
View all projectsCode amendment omnibus
Consulting on amendments to the Electricity Industry Participation Code.
Distribution connection pricing reform
Improving connection pricing methodologies so they’re more efficient with greater consistency across distributors.
Over-the-counter market
Improving the operation and efficiency of the over-the-counter market.
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.