News
Two BESS consultations open and five minute settlement discussion paper released
We are seeking feedback on two consultation papers to support the growing role of battery energy storage systems in New Zealand’s power system.
Closure of section 16 review
The Electricity Authority Te Mana Hiko has closed an investigation into concerns raised with us about pricing, contract availability, and business conduct in t…
Eye on electricity: Battery performance in New Zealand
New Zealand is building more renewable electricity generation. However, renewable generation (like wind and solar) vary with the weather, so renewable electric…
Options to update the governance of harmonics
We’re seeking feedback on three options for updating the regulatory arrangements governing the management of harmonics on New Zealand’s power system.
Connected Asset Commissioning, Testing and Information Standard Code amendment finalised
In March 2026, we sought feedback on a proposal to incorporate the Connected Asset Commissioning, Testing and Information Standard Code by reference into the C…
Electricity Authority withdraws formal complaint against Transpower
The Electricity Authority has withdrawn a formal complaint alleging a breach of the Electricity Industry Participation Code by Transpower relating to the colla…
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Watch our Quarterly Update, 21 April 2026
We had a great turnout at our latest online quarterly update on Tuesday 21 April. Thanks to all those who tuned in. Our Chief Executive, Sarah Gillies, opened the session with an update on the work and thinking the Electricity Authority Te Mana Hiko (Authority) has been doing around its strategic direction.
Notice of investigation into Contact Energy
The Electricity Authority Te Mana Hiko is investigating an alleged breach of the Electricity Industry Participation Code 2010 by Contact Energy Ltd.
Improving visibility of developments on distribution networks
We are seeking to improve visibility of developments on electricity distribution networks as electrification accelerates and investment in distributed generati…
Electricity Authority lodges formal complaint over alleged Code breaches
The Electricity Authority Te Mana Hiko has lodged a formal complaint with the Rulings Panel alleging that Contact Energy Limited breached the Electricity Indus…
Call for nominations for the Electricity Authority Advisory Group
The Electricity Authority Te Mana Hiko is calling for nominations to the Electricity Authority Advisory Group.
Consultation opens – Code review programme #7
We’re seeking feedback on Code review programme #7 which contains 14 discrete proposals to the Electricity Industry Participation Code 2010.
Decision 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…
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Energy Competition Task Force powers ahead with fresh agenda
The Energy Competition Task Force has announced it will continue its work in 2026 with a refreshed set of priorities and a greater focus on inter-agency collaboration to address competition issues in the electricity market.
Electricity Authority releases better billing toolkit
The Electricity Authority Te Mana Hiko has released a toolkit to support electricity retailers to implement new billing requirements, which come into effect on 30 October 2026.
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.
New Electricity Information Exchange Protocol EIEP14A for product data published
The Electricity Authority has published a new information exchange protocol, EIEP14A, that standardises and improves how retailers will share information about…