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
CAP014 CAP014 - Changes to remove redundant paragraphs from CUSC (Note: similar reference to redundant text is being made in the update of the Statement of Use of System Charging Methodology document for April 2002). Concluded
CAP015 Changes to remove redundant paragraphs from the CUSC (Note: similar reference to redundant text is being made in the update of the Statement of Use of System Charging Methodology document for April 2002. Furthermore, this Amendment Proposal ‘mirrors’ CAP0 Concluded
CAP016 CAP016 - Changes to re-introduce certain adjustment factors into imbalance calculations. Concluded
CAP017 CAP017 - Alternative Amendments Concluded
CAP018 CAP018 - Credit Cover Requirements for Use of System Charges Concluded
CAP019 CAP019 - Reactive Power default payment rate indexation Concluded
CAP020 CAP020 - Change of timescales associated with issuing the Balancing Services Provisional Monthly Statement. Concluded
CAP021 CAP021 - Requirement to Review Urgent Amendment Proposals Concluded
CAP022 CAP022 - Urgent Amendment Proposals – Review Process Concluded
CAP023 CAP023 - Paragraph 8.15.4 - Rejection of a proposal 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.