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
CAP165 CAP165: Transmission Access – Finite Long-term Entry Rights Concluded
CAP164 CAP164: Transmission Access – Connect and Manage Concluded
CAP163 CAP163: Transmission Access – Entry Capacity Sharing Concluded
CAP162 CAP162: Transmission Access - Entry Overrun Concluded
CAP161 CAP161: Transmission Access – System Operator Release of Short-term Entry Rights Concluded
CAP148 CAP148: Deemed Access Rights to the GB Transmission System for Renewable Generators Concluded
CMP286 CMP286 Improving TNUoS Predictability Through Increased Notice of the Target Revenue used in the TNUoS Tariff Setting Process. Current
CMP287 CMP287 Improving TNUoS Predictability Through Increased Notice of Inputs Used in the TNUoS Tariff Setting Process Withdrawn
CMP285 CMP285: CUSC Governance Reform – Leveling the Playing Field Concluded
CMP284 CMP284: Improving TNUoS cost reflectivity (Reference Node) This modification has been withdrawn Concluded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.