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 | |
|---|---|---|---|---|
| CMP423 | CMP423: Generation Weighted Reference Node | Current | ||
| CMP420 | CMP420: Treatment of BSUoS Revenue Recovery, and creation of a BSUoS Fund | Current | ||
| CMP417 | CMP417: Extending principles of CUSC Section 15 to all Users | Current | ||
| CMP419 | CMP419: Generation Zoning Methodology Review | Current | ||
| CMP434 | CMP434 Implementing Connections Reform | Current | ||
| CMP435 | CMP435 Application of Gate 2 Criteria to existing contracted background | Current | ||
| CMP428 | CMP428: User Commitment liabilities for Onshore Transmission (reinforcement) in the Holistic Network Design | Current | ||
| CMP430 | CMP430: Adjustments to TNUoS Charging from 2025 to support the Market Wide Half Hourly Settlement (MHHS) Programme | Current | ||
| CMP316 | CMP316: TNUoS Arrangements for Co-located Generation Sites | Current | ||
| CMP433 | CMP433: Optimised Transmission Investment Cost model | Current |
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.