New Zealand’s electricity market regulator

Working for an electricity system that benefits all New Zealanders

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 electri…

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…

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 …

Our projects

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Future security and resilience

Ensuring our electricity system remains secure and resilient for New Zealand's low-emissions energy transition.

Have your say

Submissions open until 8 December 2026

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Managing peak electricity demand

How to better manage risks to electricity supply during peak demand periods.

Have your say

Submissions open until 13 November 2026

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Code amendment omnibus

Consulting on amendments to the Electricity Industry Participation Code.

Wires

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.

About the Code