Below you’ll find answers to the most frequently asked questions about the Capacity Market scheme.



CMU Portfolios  

Why not modelled?  

It cannot be automated as it cannot be determined by ESC what CMUs are to be grouped as a portfolio 

The time saved from validating those that have passed automatically will also mean improvements to the delivery of SPDs for those that have not been modelled or where there are errors.  

SPD Pass

If the CMU has passed its SPDs and the SPD pass report does not show this, please contact one of the Delivery Partners and we will provide a response: 

ESC contact email:

EMR Delivery Body:

If the CMU has not passed the SPDs please follow the guidance, Demonstrating Satisfactory Performance & Extended Performance please follow link to the latest EMR Delivery Body

SPD Pass Report

The new process started on the 31 March 2022. With the new changes to Proven/Unproven DSR, Extended Performance and Secondary Trading live from the 1st October 2022. The SPD pass report will be issued every 2 weeks and can be found here:



These frequently asked questions and responses (“FAQs”) have been prepared by Low Carbon Contracts Company Ltd ("LCCC") in response to queries raised by stakeholders in relation to the content of the Contract for Difference (“CFD”), which is comprised of the CFD Agreement and CFD Standard Terms and Conditions (“Conditions”), as published by the Department of Energy & Climate Change on 29 August 2014. The FAQs are also applicable to Investment Contracts (“ICs”) but users of this website are advised to fully review the equivalent clauses in their ICs as there are differences between the CFD and the IC. These FAQs are subject to and are provided on the basis of the following:

  • The FAQs do not supersede or replace the provisions of the CFD or IC and are not intended to and do not constitute legal, investment, commercial or operational advice and should not be relied upon as such. Users of this website should not place reliance upon these FAQs and should refer to the full terms of the CFD or IC, and/or consult their professional advisors where they require information or advice on matters relating to the CFDs or ICs generally and/or any CFD or IC to which they are a party.
  • The FAQs reflect the current thinking and approach of LCCC and should not be viewed as in any way as binding on LCCC.
  • It is our intention to keep the FAQs under review and to publish revised issues from time to time.

Defined terms used in the FAQs but not defined therein have the meanings prescribed to them in the CFD or IC (as applicable) and the Energy Act 2013.