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
CMP267 CMP267: Defer the recovery of BSUoS costs, after they have exceeded £30m, arising from any Income Adjusting Events raised in a given charging year, over the subsequent two charging years Concluded
CMP262 CMP262: Removal of SBR/DSBR Costs from BSUoS into a Demand Security Charge Concluded
CMP260 CMP260: TNUoS Demand charges for 2016/17 during the implementation of P272 following approval of P322 and CMP247 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
CMP250 CMP250: Stabilising BSUoS with at least a 12 month notice period Concluded
CMP258 CMP258: Re-wording of the legal text to align the CUSC with the intentions of CMP235/6 Concluded
CMP244 CMP244: Set final TNUoS tariffs at least 15 months ahead of each charging year and CMP256 Potential consequential changes to the CUSC as a result of CMP244 Concluded
CMP257 CMP257: Enabling the electronic (email) issue of offers to customers Concluded
CMP255 CMP255: Revised definition of the upper limit of Generation Charges in the charging methodology with removal of the reference to the 27% charging cap Concluded
CMP256 CMP256: Potential consequential changes to the CUSC as a result of CMP244 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.