CUSC Modifications
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 ascending | |
|---|---|---|---|---|
| CAP095 | CAP095 - Removal of Operational Day Reference from Ex Post Publication of Response Information | Concluded | ||
| CAP074 | CAP074 - Generation Reconciliation Statements – Date Change | Concluded | ||
| CAP047 | CAP047 - Introduction of a competitive process for the provision of Mandatory Frequency Response | Concluded | ||
| CAP016 | CAP016 - Changes to re-introduce certain adjustment factors into imbalance calculations. | Concluded | ||
| CMP317 & CMP327 | CMP317 & CMP327: Removing Generator Residual and excluding assets required for connection | Concluded | ||
| CMP335 & CMP336 | CMP335&CMP336: Transmission Demand Residual - Billing and consequential changes to CUSC Section 3 and 11 (TCR)’ & CMP336 'Transmission Demand Residual - Billing and consequential changes to CUSC Section 14 (TCR) | Concluded | ||
| CMP353 | CMP353 'Stabilising the Expansion Constant and non-specific Onshore Expansion Factors from 1st April 2021' | Concluded | ||
| CMP375 | CMP375: Enduring Expansion Constant & Expansion Factor Review | Current | ||
| CMP391 | CMP391: Definition of ‘Charges for Physical Assets Required for Connection’ | Concluded | ||
| CMP409 | CMP409: Housekeeping Modification as a result of CMP363 Ofgem decision | Concluded |
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.