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.

Views reference
Modification status
ID Name Status Last Updated
CMP241 CMP241: TNUoS Demand Charges during the Implementation of P272 Concluded
CMP235 and CMP236 CMP235/CMP236: Introduction of a new Relevant Interruption type / Clarification of when Disconnection Compensation payments can be expected under a Relevant Interruption Concluded
CMP240 CMP240: Amending the Cancellation Charge liability within a CMP213 Judicial Review Period Concluded
CMP238 CMP238: Application of Statement of Works Process when a modification application is made Concluded
CMP239 CMP239: Grandfathering Arrangements for the Small Generator Discount Concluded
CMP237 CMP237: Response Energy Payment for Low Fuel Cost Generation Concluded
CMP234 CMP234 - Incorporation of Biddable Indexation of OFTO revenues in TNUoS Concluded
CMP233 CMP233: Amended CUSC Exhibit F application form for Interconnector and Supplier Use of System Concluded
CMFTP231 CMFTP231: Electricity Market Reform Concluded
CMFTP232 CMFTP232: Demand Side Balancing Reserve and Supplemental Balancing Reserve Cost Recovery Restriction Concluded

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.