Energy and Climate Change Ministerial Council


Post 2025 Market Design – Capacity mechanism - Initiation

Publication date

Following National Cabinet's endorsement of the Energy Security Board's (ESB) final package of reforms, the ESB is carrying out further design work on the proposed capacity mechanism. This will include comprehensive consultation with all relevant stakeholders and interested parties, the outcomes of which will be used to help achieve the optimal design of the final model. The ESB has therefore released 2 papers:

  1. A scope of works document to provide stakeholders with more clarity about the approach and process that we intend to use to progress the design of a capacity mechanism.
  2. A project initiation paper, which outlines the main components of a capacity mechanism and the potential options, and gives stakeholders the opportunity to provide their views on these matters.

Submissions on the project initiation paper have now closed. 

Further detail of stakeholder engagement opportunities will be published in early 2022.

The key milestones for the capacity mechanism detailed design process are set out below:



Project initiation paper

16 December 2021

Submissions due on project initiation paper

10 February 2022

Detailed design consultation paper

March / April 2022

Submissions due on consultation paper

May 2022

Draft recommendations for detailed design

August 2022

Submissions due

September 2022

Submit proposed rule change to Energy Ministers

Early December 2022


Energy Ministers priority issue

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