We are a kaitiaki of electricity
New Zealand's electricity regulator
News
View all newsDecision on 11 July 2025 under-frequency event
The Electricity Authority Te Mana Hiko has determined that Transpower New Zealand Limited, in its role as System Operator, caused an under-frequency event on 1…
Consultation opens on proposals to improve network visibility
We’re seeking feedback on proposals that would help shine light on capacity and constraints on electricity networks. Better visibility about what’s happening o…
Authority publishes data source assessment for determining the EAF
The Electricity Authority Te Mana Hiko has published an assessment of gas price data that is used to determine the Electricity Allocation Factor.
There's power in checking
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Our projects
View all projectsDistributed generation pricing principles reform
Driving more efficient distributed generation and maximising the benefits it brings to electricity networks.
Future security and resilience
Ensuring our electricity system remains secure and resilient for New Zealand's low-emissions energy transition.
Transitioning to a more digital electricity system
Supporting New Zealand’s transition to a smarter, more connected and data-driven energy system.
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.
