Ofgem Statutory Consultation on CM Rules Change Proposals

Ofgem has published its Statutory Consultation on three CM Rules Change Proposals. The Consultation can be accessed online, with responses due by 5 January 2024.…

DESNZ CM 2023: Phase 2 and 10 Year Review Consultation

The Department for Energy Security and Net Zero (DESNZ) has published its ‘Capacity Market 2023: Phase 2 proposals and 10 year review’ Consultation.

The Consultation can be accessed from the DESNZ Consultation Webpage and closes at 11:45pm Friday 8 December 2023.

CMAG Six Monthly Report for April 2023 to September 2023 published

Our six monthly report has been published for April 2023 to September 2023. The Capacity Market Advisory Group (CMAG) six monthly report explains the activities and achievements of the CMAG between October to March and April to September of each year.…

Sign up to the Capacity Market Advisory Group (CMAG) mailing list

Join our mailing list to receive updates on Capacity Market related news and meetings from CMAG. For more information on what to expect from the mailing list, please contact the CMAG.…

Latest Change Proposal Updates

Ofgem decision on CM Rules Change Proposals without Consultation

March 18, 2023

On 17 March 2023, Ofgem published its decision to reject four CM Rules Change Proposals without further consideration:

  • CP357 (Review of T-3 Auction 2020);
  • CP358 (Previous Settlement Period Performance);
  • CP360 (Promoting Net Zero Assets); and
  • CP367 (Fossil Fuel Emissions Declaration).

Ofgem discussed it’s minded-to-reject decision with the CMAG in advance, and the CMAG were in support of Ofgem’s decision and …

CP375: Merging Capacity Market Units

November 15, 2023

What is the issue?

CM Rules prohibit a change in Capacity Market Unit (CMU) configuration after Prequalification. This prevents Agreement holders from changing CMUs to reflect changes in project development and/or commercial structures. This may limit the commercial flexibility of Agreement holders, increasing the risk of project non-delivery, preventing more efficient commercial structures, and ultimately increasing Capacity Market costs.


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