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.
ID | Name | Status | Last Updated Sort descending | |
---|---|---|---|---|
CAP104 | CAP104 - Amendment to System to Generator Inter-trip related terms concurrently defined in the Grid Code and the CUSC. | Concluded | ||
CAP088 | CAP088 - Application of late payments of Commercial Debts (Interest) Act 1998 | Concluded | ||
CAP056-CAP066 | CAP056-CAP066 - Housekeeping Modifications | Concluded | ||
CAP025-CAP040 | CAP025-CAP040 - Housekeeping Modifications | Concluded | ||
CAP008 | CAP008 - Codification Errors | Concluded | ||
CMP324 & CMP325 | CMP324 & CMP325: Generation Zones – changes for RIIO-T2' & 'Rezoning – CMP324 expansion | Concluded | ||
CMP343 and CMP340 | CMP343 and CMP340: 'Transmission Demand Residual bandings and allocation for 1 April 2022 implementation (CMP343)' and 'Consequential changes for CMP343 (CMP340)' | Concluded | ||
CMP363 & CMP364 | CMP363 & CMP364: TNUoS Demand Residual charges for transmission connected sites with a mix of Final and non-Final Demand & Definition changes for CMP363 | Concluded | ||
CMP382 | CMP382: Amend the terminology used in CUSC Section 14 to align with the definitions of ‘Financial Year’ and ‘Business Day’ within CUSC Section 11 | Concluded | ||
CMP398 | CMP398: GC0156 Cost Recovery mechanism for CUSC Parties | Implemented |
More about modifications
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.
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.
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.