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 Sort descending Name Status Last Updated
CAP106 CAP106 - Amendment to revise Paragraph 4.5.1 (Indexation – Application) of the CUSC. Concluded
CAP107 CAP107 - Redefinition of Response Energy Payment (REP) for Mandatory Frequency Response Concluded
CAP108-CAP112 CAP108-CAP112 - National Grid requests the Amendments Panel in accordance with CUSC 8.21.2.1, to treat these Amendment Proposals as Housekeeping Amendments and for the timetable and procedures within CUSC 8.21.2.2 to be followed. Concluded
CAP113- CAP118 CAP113- CAP118 - CUSC Housekeeping Modifications Concluded
CAP119 CAP119 - Clarification of, and correction to, the table of Users’ Credit Allowances Concluded
CAP120 CAP120 - Connection Application Form– Alternative Connection Offers in England & Wales and Scotland Concluded
CAP121 CAP121 - Amendment to Outturn Reconciliation Concluded
CAP122 CAP122 - Change to the definition of Intertrip Payment for Power Park modules Concluded
CAP123 CAP123 - Quorum at Amendments Panel meetings held via teleconference Concluded
CAP124 CAP124 - Clarification of the withholding of payments for Operational Intertrips 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.