News
Changes to instantaneous reserve cost allocation
The Electricity Authority Te Mana Hiko is updating the way instantaneous reserve procurement costs are allocated to generators.
Electricity Authority discontinues investigation of Switch Utilities Limited
The Electricity Authority Te Mana Hiko has decided to discontinue an investigation into Switch Utilities Limited, trading as 2degrees, Slingshot and Orcon.
Security and Reliability Council adapts to changes
The Security and Reliability Council, which provides independent advice to the Electricity Authority Te Mana Hiko on reliability of supply issues, the performa…
Have your say on improving prudential security arrangements
We invite you to share your feedback on the issues and options for improving prudential security requirements for small retailers.
Join our webinar on proposals to maximise benefits of local generation
Registrations are open for our webinar at 11.15am–12pm on Thursday 30 October 2025. The webinar is about our proposed new rules to make export limits more ef…
Electricity Authority seeks input on Emergency Reserve Scheme
The Electricity Authority is seeking feedback on the proposed establishment of an Emergency Reserve Scheme to provide an extra layer of protection against unpl…
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Better bills will help consumers find better plans, says Electricity Authority
We're proposing changes to simplify electricity bills will make it easier for consumers to find the right plan for them and pay less for power.
New dashboard summarises barriers to new electricity generation projects
The Electricity Authority Te Mana Hiko has created a dashboard to show the challenges hindering new electricity generation projects in New Zealand.
South Pacific Energy customers transferred to new retailers
All customers of defaulted retailer South Pacific Energy Limited have been transferred to other retailers. Ten of South Pacific Energy’s customers had voluntar…
Electricity Authority consults on rule changes to level the power playing field
We are seeking feedback on proposed rule changes to level the playing field between the four large gentailers and independent participants in the electricity m…
Feedback sought on proposed SOSFIP changes
The System Operator has begun consultation on proposed changes to its Security of Supply Forecasting and Information Policy.
Seeking feedback on proposal to require half-hourly data for reconciliation
We're seeking feedback on our proposal to amend the Code to require participants to submit half-hourly data into the wholesale market’s reconciliation process,…
Proposed changes to double the electricity that residential solar can supply local networks
The Electricity Authority Te Mana Hiko wants to remove barriers so more electricity from small-scale solar, wind and solar farms, and other distributed generat…
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Electricity Authority marks one year of supporting innovation with Power Innovation Pathway insights report
The Electricity Authority has today released its one-year insights report on the Power Innovation Pathway, which drives innovation in the electricity sector to deliver better outcomes for New Zealanders.
Explore our new ‘Data and insights’ hub
We’ve created a new ‘Data and insights’ hub on our website to provide access to the latest electricity market data, tools and insights on New Zealand’s electricity markets.
The impact of La Niña summers on hydro inflows
More than half of New Zealand’s total electricity generation comes from hydro generation, making it an important component of the electricity system. Large hyd…
ASX participant identifiers – are you set up correctly?
Changes to how participant identifiers are recorded by the ASX took effect from 27 September 2025. These will improve the accuracy of de-anonymised trading d…
Decision on 21 April 2025 under-frequency event
An under-frequency event occurred at 4.43pm on 21 April 2025 when Huntly Unit 4 tripped offline reducing North Island frequency to 49.16 Hz.