News

How demand-side flexibility can contribute to security of supply

Demand-side flexibility is a term that describes situations where consumers change the time or the amount of their electricity consumption. By reducing or shif…

Open letter regarding 10 May 2024

The Electricity Authority Te Mana Hiko has published an open letter to industry regarding issues related to the tight supply conditions on 10 May.

MLC decision papers published

The Electricity Authority Te Mana Hiko has today published decision papers outlining the reasons for our clearance of agreements between Meridian Energy, Conta…

Consultation open to resolve common quality issues in the Code

The Electricity Authority is committed to ensuring New Zealand’s electricity future is secure, resilient and reliable. We’re looking at this future from end to…

Forward price dip following new Tiwai smelter contracts

On 31 May 2024, three of New Zealand’s largest electricity generators (Meridian, Contact and Mercury) announced new contracts of up to 20 years with New Zealan…

Electricity Authority to review Northland power outage

The Electricity Authority Te Mana Hiko is undertaking a review into the Northland power outages as a result of a transmission tower falling on 20 June.

Mount Taranaki
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Natural gas and the electricity sector transition

The New Zealand Government has committed to net zero emissions by 2050 and fossil fuels are being phased out, including in the electricity sector. This article discusses the current and future use of natural gas in New Zealand’s electricity system.

UTS submissions published; cross-submissions welcomed

Submissions on the Electricity Authority's preliminary decision on whether an undesirable trading situation occurred following 16 February 2024 have now been p…

Electricity Authority clears Meridian and Contact smelter contracts

The Electricity Authority Te Mana Hiko has cleared two separate agreements involving Meridian Energy and Contact Energy and New Zealand’s Aluminium Smelter (NZ…

We've appointed the Electricity Authority Advisory Group

We are excited to announce we have appointed our new Electricity Authority Advisory Group. We were fortunate to be able to choose from a range of nominees from…

Single sign-on for the Electricity Registry

The Electricity Registry Manager is implementing a single sign-on integration for all users of the Electricity Registry from 1 July 2024. This will allow users…

New retail gross margin and internal transfer price data published

We’ve published the retail gross margin and internal transfer price data for the 2022/23 financial year. The internal transfer price is the price at which a ge…

Feedback sought on Part 6A exemption and dispensation application from WEL Networks Limited

WEL Networks Limited and its senior management have applied for an exemption and dispensation from clause 6A.3 (which includes the requirement to comply with t…

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The difference between winter peak capacity and dry year risk

The New Zealand electricity system provides reliable electricity around the clock, however, the system faces some challenges in achieving this. This article explains these issues and how the Electricity Authority Te Mana Hiko and the industry are working to provide more flexibility for the electricity system to mitigate these challenges.

How the HVDC balances electricity supply and demand

Electricity supply and demand differ across New Zealand’s two main islands. The South Island has abundant hydro generation, while the North Island is more populated and typically consumes more electricity. High-voltage direct current (HVDC) cables allow electricity produced in either island to flow to the other. This article explains how the electricity market reacts to changing supply and demand conditions using the HVDC.

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Generation investment data and dashboard – now and in the future

Following last month’s article on the Authority’s work improving visibility of generation investment, we’re pleased to announce that our new dashboard is now l…

Workshop on flexibility services market

The Electricity Authority Te Mana Hiko is hosting a workshop on its draft guidance on distributor involvement in the flexibility services market on Tuesday 25 …

Reviews into information disclosure provisions

The Electricity Authority is progressing two reviews that focus on electricity industry competition. Promoting competition is at the heart of what we do, as it…