STC Modifications
You can raise a modification – or mod – when you want to propose a change to any part of the STC.
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. Or filter according to status.
| ID | Name Sort descending | Status | Last Updated | |
|---|---|---|---|---|
| CM088 | CM088 - Fault Ride Through Definition | Concluded | ||
| CM089 & CM091 | CM089 & CM091 Implementation of the Electricity System Restoration Standard & Implementation of Emergency and Restoration Code Phase II | Implemented | ||
| CM090 | CM090: Housekeeping changes to simplify FSO transition | Concluded | ||
| CM091 - Implementation of Emergency and Restoration Code Phase II | CM091 - Implementation of Emergency and Restoration Code Phase II | Current | ||
| CM092: Schedule 9: TO Construction Terms Update | CM092: Schedule 9:TO Construction Terms Update | Concluded | ||
| CM093 - Extending the principles of the User Commitment Methodology to Final Sums Methodology as a consequence of CUSC Modification – CMP417 | CM093 - Extending the principles of the User Commitment Methodology to Final Sums Methodology as a consequence of CUSC Modification – CMP417 | Current | ||
| CM094 - Amendment to Bi-annual estimate provisions | CM094 - Amendment to Bi-annual estimate provisions | Current | ||
| CM095 | CM095 - Implementing Connections Reform | Current | ||
| CM096 Application of Gate 2 Criteria to existing contracted background | CM096 Application of Gate 2 Criteria to existing contracted background | Current | ||
| CMFT060 | CMFT060: This proposal seeks to modify the System Operator Transmission Owner Code (STC) to reflect inconsistencies identified by Ofgem in the legal drafting changes under Code Governance Review Phase 2 in Section B of the STC | Concluded |
More about modifications
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.
STCP Modification Proposal Form
Download the STCP Proposal form, when we receive your Proposal, we'll check it through and work together to make sure it's easy to understand.
STC Modification Proposal Form
Download the STC Proposal form, when we receive your Proposal, we'll check it through and work together to make sure it's easy to understand.
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.