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
CMP292 CMP292: Introducing a Section 8 cut-off date for changes to the Charging Methodologies Current
CAP100 CAP100 - Revision of CUSC Amendment Provisions to ensure that Amendment Reports contain a collective CUSC Panel Recommendation Concluded
CAP161 CAP161 - Transmission Access – System Operator Release of Short-term Entry Rights Concluded
CAP150 CAP150: Capacity Reduction Concluded
CMP212 CMP212: Setting limits for claim: submission, validation and minimum financial threshold values in Concluded
CAP156 CAP156: Reactive Power Default Payment Rate – Use of Spectron Power Index Concluded
CMP191 CMP191: NETSO Consultation in relation to any potential changes to the CUSC which takes place in forums other than the CUSC Modifications Panel Concluded
CAP105 CAP105 - Change of Company Name for National Grid Company plc (NGC) Concluded
CAP089 CAP089 - Maximum Unsecured Credit Limit Concluded
CAP069 CAP069 - Users’ Forecasts used in the calculation of TNUoS charges. 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.