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New Zealand's electricity regulator
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View all newsDetermination of the 2026 Electricity Allocation Factor
The Electricity Authority Te Mana Hiko has today published its Determination of the 2026 Electricity Allocation Factor. This report documents the calculation o…
Data shows 6.8% increase to power bills across households and small businesses
Across all households and small businesses, power prices increased on average by 6.8% in the first half of 2026, according to new information provided by elect…
Decision 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…
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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.