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 | Link to modification |
|---|---|---|---|---|
| CMP462 | CMP462: Provision for Alternate Panel Members | Current | view | |
| CMP463 | CMP463: Stabilising the Specific Onshore Expansion Factors from 1st April 2026 | Current | view | |
| CMP414 | CMP414: "CMP330/CMP374 Consequential Modification" | Current | view | |
| CMP440 | CMP440 Re-introduction of Demand TNUoS locational signals by removal of the zero price floor | Current | view | |
| CMP456 | CMP456: Cost recovery for legacy plant in relation to GC0168 | Current | view | |
| CMP466 | CMP466: CMP456 Consequential Charging Modification | Current | view | |
| CMP460 | CMP460: Improving Transmission Connection Asset Charging | Current | view | |
| CMP445 | CMP445: Pro-rating first year TNUoS for Generators | Current | view | |
| CMP465 | CMP465: Construction Progression Milestones (M5-M8) Neutrality | Current | view | |
| CMP417 | CMP417: Extending principles of CUSC Section 15 to all Users | Current | view |
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.