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
CMP410 CMP410: Payment Timescales for Monthly Payments Concluded
CMP411 CMP411: Introduction of Anticipatory Investment (AI) within the Section 14 charging methodologies Current
CMP412 CMP412: CMP398 Consequential Charging Modification Implemented
CMP413 CMP413: Rolling 10-year wider TNUoS generation tariffs Current
CMP414 CMP414: "CMP330/CMP374 Consequential Modification" Current
CMP415 CMP415: Amending the Fixed Price Period from 6 to 12 months Current
CMP416 CMP416: Amending the Fixed Price Period from 6 to 12months with two seasonal tariffs Concluded
CMP417 CMP417: Extending principles of CUSC Section 15 to all Users Current
CMP418 CMP418: Refine the allocation of Dynamic Reactive Compensation Equipment (DRCE) costs at OFTO transfer Current
CMP419 CMP419: Generation Zoning Methodology Review 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.