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 | |
|---|---|---|---|---|
| CMP441 | CMP441 Reducing the credit risk of supplying non-embedded hydrogen Electrolysers | Current | ||
| CMP440 | CMP440 Re-introduction of Demand TNUoS locational signals by removal of the zero price floor | Current | ||
| Establishing ISOP in industry codes 2024 | Establishing ISOP in industry codes 2024 | Current | ||
| CMP424 | CMP424: Amendments to Scaling Factors used for Year Round TNUoS Charges | Current | ||
| CMP415 | CMP415: Amending the Fixed Price Period from 6 to 12 months | Current | ||
| CMP438 | CMP438: Clarification of Illustrative Example of a TNUoS Demand Reconciliation | Current | ||
| CMP396 | CMP396: Re-introduction Of BSUoS on Interconnector Lead Parties | Completed | ||
| CMP292 | CMP292: Introducing a Section 8 cut-off date for changes to the Charging Methodologies | Implemented | ||
| CMP431 | CMP431:Adjustments to TNUoS Charging from 2025 to support the Market Half Hourly Settlement (MHHS) Programme (Non-Charging) | Withdrawn | ||
| CMP379 | CMP379: Determining TNUoS demand zones for transmission - connected demand at sites with multiple Distribution Network Operators (DNOs) | Implemented |
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.