Consultation outcome

Updated rules and guide for energy code modification appeals

This consultation has concluded

Read the full outcome

Detail of outcome

The Competition and Markets Authority (CMA) has adopted updated rules and guidance for energy code modification appeals to replace the prior rules (CC10) and guide (CC11).

The Rules and Guidance have been amended to:

  • reflect the updated legislative framework
  • incorporate the CMA’s experience of conducting appeals
  • align them more closely to the CMA70 rules and CMA71 guide in place for energy licence modification appeals issued in 2022
  • reflect the use of technology to reduce administrative burdens  

They also take into account changes to the Energy Act 2004 introduced since the first consultation by section 201 and Schedule 14 of the Energy Act 2023. These changes were introduced in our second consultation in November 2024.

Following the consultations, revisions were made to the new rules and guidance. A summary of the responses we received to our consultations and our proposed approach for addressing those responses (including the revisions that we have made) is set out in the consultation response document.

Feedback received

Centrica response

EDF response

ESO response

Ofgem response

Scottish Power response

Detail of feedback received

The consultation received 5 responses.

Personal data

When handling personal data (like your contact details), we comply with data protection law, as set out in the UK GDPR and the Data Protection Act 2018 and other law designed to protect sensitive information.

For more information about the CMA’s statutory functions, how the CMA processes personal data and your rights relating to that personal data (including your right to complain), please see the CMA’s Personal Information Charter.


Original consultation

Summary

The CMA is consulting on proposed new procedural rules and guidance for energy code modification appeals. It may be of particular interest to regulators, consumer representative bodies and businesses as well as their legal and other advisers.

This consultation was held on another website.

This consultation ran from
to

Consultation description

The Competition and Markets Authority (CMA) is consulting on updated draft rules and guidance for energy code modification appeals to the CMA to replace the current rules CC10 and guide CC11.  

Find out more about this consultation and how to respond.

Documents

Draft rules of procedure and guidance for energy code modification appeals Consultation document

Request an accessible format.
If you use assistive technology (such as a screen reader) and need a version of this document in a more accessible format, please email general.enquiries@cma.gov.uk. Please tell us what format you need. It will help us if you say what assistive technology you use.

Draft energy code modification appeals, Competition and Markets Authority Rules

Request an accessible format.
If you use assistive technology (such as a screen reader) and need a version of this document in a more accessible format, please email general.enquiries@cma.gov.uk. Please tell us what format you need. It will help us if you say what assistive technology you use.

Draft energy code modification appeals, Competition and Markets Authority Guide

Request an accessible format.
If you use assistive technology (such as a screen reader) and need a version of this document in a more accessible format, please email general.enquiries@cma.gov.uk. Please tell us what format you need. It will help us if you say what assistive technology you use.

Updates to this page

Published 23 July 2024
Last updated 15 January 2025
  1. Updated rules and guide issued

  2. First published.

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