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10 December 2019
Welcome to Market Brief, the Electricity Authority’s weekly update on regulatory and market developments.


Default Distributor Agreement next steps

We have published a summary of submissions document on the recent consultation on the Default Distributor Agreement (DDA) project.

In October 2019, we received 28 submissions on the proposal to introduce the DDA. We appreciate the time and effort stakeholders put into providing useful submissions and attending DDA workshops. 

We are progressing with a decisions paper to finalise the DDA. The decisions paper will include any plans to support implementing the DDA. We intend to release a decisions paper in early 2020.
Read summary of submissions

Reminder of additional stress test scenario for Q1 2020

There are planned outages of the HVDC link, Ahuroa gas storage and Pohokura gas field in Q1 2020. Given these factors, we want to make sure wholesale market participants are aware of the potential for spot price volatility and are proactively managing their exposure to spot price risks.

As announced on 15 November 2019, we have added a new ‘inter-island price separation’ stress test scenario for Q1 2020. Unlike the two existing tests, the additional scenario assumes the HVDC is not available, causing significant price separation for 8 hours. Further details are on our website

Participants are reminded the test scenarios are not forecasts. They are simply scenarios designed to ensure disclosing participants have considered the spot price volatility which may arise from rare but possible risk events.

Disclosure statements must be completed and sent to NZX (the registrar) no later than 20 December 2019. 

For more information please contact or

Current consultations

Switch Process Review - Issues with the ICP switching processes and possible options to address these issues

Ending: 17/12/2019 5pm

Read more

Consultation calendar

View our high-level consultation calendar
Level 7, Harbour Tower, 2 Hunter Street, PO Box 10041, Wellington 6143, New Zealand
Tel: + 64 4 460 8860   Email:
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