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 Sort descending Status Last Updated
CMP317 & CMP327 CMP317 & CMP327: Removing Generator Residual and excluding assets required for connection Concluded
CMP318 CMP318: Maintaining Non Half- Hourly (NHH) charging arrangements for Measurement Classes F and G Concluded
CMP319 CMP319: Consequential changes to Section 11 of the CUSC as a result of CMP280 and/or CMP281 Concluded
CMP320 CMP320: Island MITS Radial Link Security Factor Concluded
CMP321 CMP321: Housekeeping Modification to clarify the definition of Affiliate as a result of CMP285 Concluded
CMP322 CMP322: Updating the CUSC section 4 “Balancing Services” to ensure Ofgem have the appropriate authority to approve Ts and Cs, relevant to EBGL Article 18, held within the Standard Contract Terms (SCTs) Concluded
CMP323 CMP323: Updating the CUSC governance process to ensure we capture the EBGL change process for Article 18 T and Cs Concluded
CMP324 & CMP325 CMP324 & CMP325: Generation Zones – changes for RIIO-T2' & 'Rezoning – CMP324 expansion Concluded
CMP326 CMP326: Introducing a Turbine Availability Factor' for use in Frequency Response Capacity Calculation for Power Park Modules (PPMs) Concluded
CMP328 CMP328: Connections Triggering Distribution Impact Assessment Current

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.