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.

Views reference
Modification status
ID Name Sort descending Status Last Updated
CAP041 CAP041 - Withdrawal of Amendment Proposals Concluded
CAP042 CAP042 - Extension of timescale for preparation of Amendment Reports Concluded
CAP043 CAP043 - Transmission Access - Definition Concluded
CAP044 CAP044 - Extension of Election Arrangements to Panel Alternates. Concluded
CAP045 CAP045 - Cost-reflective reactive power default payment rate indexation. Concluded
CAP046 CAP046 - Mandatory Frequency Response (Calculation of Volumes) Concluded
CAP047 CAP047 - Introduction of a competitive process for the provision of Mandatory Frequency Response Concluded
CAP048 CAP048 - Firm Access and Temporary Physical Disconnection Concluded
CAP049 CAP049 - Alternative Amendments Concluded
CAP049 CAP049 - Alternative Amendments 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.