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
CAP153 CAP153: Application Forms Exhibit D Concluded
CAP154 CAP154: Application Form Exhibit F Concluded
CAP155 CAP155: Application Form Exhibit I Concluded
CAP156 CAP156: Reactive Power Default Payment Rate – Use of Spectron Power Index Concluded
CAP157 CAP157 - Extension of Qualified Company Definition Concluded
CAP158 CAP158 - Provision of interim response volume information Concluded
CAP159 CAP159: CUSC Mid Term Elections Concluded
CAP160 CAP160 - Improvements to the assessment of Amendments Concluded
CAP181 CAP181: Consequential changes related to Grid Code Amendment Concluded
CAP182 CAP182: Provision of Frequency Response from DC converters 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.