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
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
CMP200 CMP200: Generator Led Due Diligence Review Concluded
CAP097 CAP097 - Revision to the contractual requirements for Small and Medium Embedded Power Stations under CUSC 6.5. Concluded
CAP076 CAP076 - Treatment of System to Generator Intertripping Schemes Concluded
CAP049 CAP049 - Alternative Amendments Concluded
CAP018 CAP018 - Credit Cover Requirements for Use of System Charges Concluded
CMP334 CMP334: Transmission Demand Residual – consequential definition changes (TCR) Concluded
CMP352 CMP352 'Correction to ‘Revised Indicative Annual TNUoS charge’ formulas in Appendix 2 of CUSC Section 3' 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.