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 Status Last Updated Sort ascending
CMP242 CMP242: Charging arrangements for interlinked offshore transmission solutions connecting to a single onshore substation Concluded
CMP259 CMP259: Clarification of decrease in TEC as a Modification Concluded
CMP276 CMP276: Socialising TO costs associated with green policies Concluded
CAP165 CAP165: Transmission Access – Finite Long-term Entry Rights Concluded
CMP300 CMP300: Cost reflective Response Energy Payment for Generators with low or negative marginal costs Concluded
CAP125 CAP125 - Revisions Resulting from Interconnector Separation Concluded
CAP169 CAP169: Provision of Reactive Power from Power Park Modules, Large Power Stations and Embedded Power Concluded
CMP204 CMP204: Consequential to Grid Code Modification D/11 (System to Generator Operational Intertripping Concluded
CAP144 CAP144: Emergency Instruction to emergency deenergise Concluded
CAP183 CAP183: Code Governance Review: Significant Code Review 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.