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
CAP128 CAP128 - Removal of Section 10 – Transitional Issues Concluded view
CAP129 CAP129 - Removal of CUSC 6.17 and section B from Exhibit F Concluded view
CAP130 CAP130 - CUSC Connection Application Form – Fixed and Variable Application Fees Concluded view
CAP131 CAP131 - User Commitment for New and Existing Generators Concluded view
CAP132-139 CAP132-139 - Various Housekeeping Amendments Concluded view
CAP161 CAP161 - Transmission Access – System Operator Release of Short-term Entry Rights Concluded view
CAP162 CAP162: Transmission Access - Entry Overrun Concluded view
CAP163 CAP163 - Transmission Access – Entry Capacity Sharing Concluded view
CAP164 CAP164: Transmission Access – Connect and Manage Concluded view
CAP165 CAP165 - Transmission Access – Finite Long-term Entry Rights 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.