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
CMP406&CMP407 CMP406&CMP407: Allowing consideration of a reduced BSUoS fund for Fixed BSUoS implementation (CMP406 - Section 14; CMP407 - Section 11) Concluded
CMP422 CMP422: CUSC Non-Charging Housekeeping changes update Current
CMP222 CMP222: User Commitment for Non-Generation Users Concluded
CMP243 CMP243: A fixed Response Energy Payment option for all generating technologies Concluded
CMP260 CMP260: TNUoS Demand charges for 2016/17 during the implementation of P272 following approval of P322 and CMP247 Concluded
CMP277 CMP277: Special License Condition 4J Concluded
CAP166 CAP166: Transmission Access – Long-term Entry Capacity Auctions Concluded
CMP301 CMP301: Clarification on the treatment of project costs associated with HVDC and subsea circuits Concluded
CAP126 CAP126 - Clarification of the applicability and definition of Qualifying Guarantee and Independent Security Concluded
CAP170 CAP170: Category 5 System to Generator Operational Intertripping Scheme 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.