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 descending
CAP048 CAP048 - Firm Access and Temporary Physical Disconnection Concluded
CAP017 CAP017 - Alternative Amendments 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
CMP372 CMP372 'CUSC changes to reflect the terms of the UK’s departure from the EU' Concluded
CMP390 CMP390: Updating application forms to enable disclosure of information to government for purposes of the National Security and Investment (NSI) Act 2021 Concluded
CMP408 CMP408: Allowing consideration of a different notice period for BSUoS tariff settings Current
CMP223 CMP223: Arrangements for Relevant Distributed Generators under the Enduring Generation User Commitment Concluded
CMP244 CMP244: Set final TNUoS tariffs at least 15 months ahead of each charging year and CMP256 Potential consequential changes to the CUSC as a result of CMP244 Concluded
CMP261 CMP261: Ensuring the TNUoS paid by Generators in GB in Charging Year 2015/16 is in compliance with the €2.5/MWh annual average limit set in EU Regulation 838/2010 Part B (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.