CUSC Modifications

You can raise a modification – or mod – when you want to propose a change to any part of the CUSC.

For more information, please contact [email protected] 

Search for any current or concluded modifications by name or ID. You can sort mods by ID, name, status or date of update.

Modification status
ID Name Status Last Updated Sort ascending
CAP153 CAP153: Application Forms Exhibit D Concluded
CAP188 CAP188: Code Governance Review: Governance of Charging Methodologies Concluded
CAP108-CAP112 CAP108-CAP112 - National Grid requests the Amendments Panel in accordance with CUSC 8.21.2.1, to treat these Amendment Proposals as Housekeeping Amendments and for the timetable and procedures within CUSC 8.21.2.2 to be followed. Concluded
CAP092 CAP092 - Consistent Generation Use of System Charge Liability Provisions for Transmission Access Products. Concluded
CAP071 CAP071 - Development of a Maximum Generation Service Concluded
CAP044 CAP044 - Extension of Election Arrangements to Panel Alternates. Concluded
CAP013 CAP013 - Removal of Redundant Paragraph [6.6.1(b) - Energy related recurrent charges] Concluded
CMP341 CMP341: CUSC Sandbox enabling derogation from certain obligations to support small-scale trials of innovative propositions Current
CMP412 CMP412: CMP398 Consequential Charging Modification Implemented
CMFTP229 CMFTP22: Abolition of National Consumer Council Concluded

More about modifications

Modification Tracker

Our Tracker gives you the latest details on current code modifications including the purpose and the stakeholders it affects, as well as panel comments and where it is in the review process. It is published on the 7th (or next working day) of each month.

Modification Proposal Form

If you're thinking about raising a modification, please get in touch with us. Our experts can give you advice on your Proposal, explain how the modification process works and help to answer any questions you may have. When we receive your Proposal, we'll check it through and work together to make sure it's easy to understand.

Calendar

Once you've been in touch and are ready to write your Proposal paper, send it to us by the monthly modification submission date which you can find on our Calendar.