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.

Modification status
ID Name Status Last Updated Sort ascending Link to modification
CMP205 CMP205: Clarification to the Mandatory Services Agreement Concluded view
CMP206 CMP206: Requirement for National Grid Electricity Transmission to provide and update year ahead TNUoS Concluded view
CMP207 CMP207: Limit increases to TNUoS tariffs to 20% in any one year Concluded view
CMP208 CMP208: Requirement for National Grid Electricity Transmission to provide and update forecasts of BSUoS Concluded view
CMP209/210 CMP209/210: Allow suppliers’ submitted forecast demand to be export Concluded view
CAP151 CAP151: Construction Agreement Register Concluded view
CMP211 CMP211: Alignment of CUSC compensation arrangements for across different interruption types Concluded view
CMP212 CMP212: Setting limits for claim: submission, validation and minimum financial threshold values in Concluded view
CMP214 CMP214: Implementation of TNUoS charging parameter updates following a price control review Concluded view
CMP215 CMP215: Removal of references to TNUoS charges for Interconnector BM Units and requirement to provide Concluded 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.