Open consultation

Capacity Market: new technologies 2025

• From: Department for Energy Security and Net Zero
• Published: 22 September 2025
• Last updated: 23 September 2025 — See all updates

Applies to England, Scotland and Wales

Summary

We're seeking to identify any new emerging generating technologies that may be eligible to participate in capacity market auctions.

This consultation closes at
11:55pm on 26 October 2025

Consultation description

DESNZ is consulting with interested parties to determine whether any new  technologies, which could participate in future Capacity Market auctions, have emerged since the 2024 consultation.

Rule 2.4 of the Capacity Market Rules requires the Secretary of State to consult with stakeholders by 1 October each year, to determine whether any new generating technologies are capable of contributing to security of supply.

This open letter seeks your views on whether such new generating technologies exist.

Documents

Open letter on new technologies in the Capacity Market, 2025

HTML

Ways to respond

Email to:

FutureElectricitySecurity@energysecurity.gov.uk

Published 22 September 2025

Last updated 23 September 2025 + show all updates

1. 23 September 2025

   This has been updated to reflect that the H2P Call for Evidence will be published later in 2025.

2. 22 September 2025

   First published.