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 Sort ascending
CMP423 CMP423: Generation Weighted Reference Node Current
CMP420 CMP420: Treatment of BSUoS Revenue Recovery, and creation of a BSUoS Fund Current
CMP225 CMP225: Consequential changes following Implementation of the Third Package and other miscellaneous changes Concluded
CMP247 CMP247: TNUoS Demand Charges during the implementation of BSC Modification P272 following the approval of BSC Alternative Modification P322 Concluded
CMP263 CMP263: Housekeeping changes to CUSC Section 14 legal text as a result of the implementation of CMP213, CMP242 and CMP248 on 1 April 2016 Concluded
CMP280 CMP280: Creation of a New Generator TNUoS Demand Tariff which Removes Liability for TNUoS Demand Residual Charges from Generation and Storage Users Concluded
CMP192 CMP192: Arrangements for Enduring Generation User Commitment Concluded
CMP304 CMP304: Improving the Enhanced Reactive Power Service by making it fit for purpose Current
CAP129 CAP129 - Removal of CUSC 6.17 and section B from Exhibit F Concluded
CAP173 CAP173: Reactive Power Market Tender Process 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.