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 STCTeam@nationalenergyso.com
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 | Status | Last Updated Sort ascending | |
|---|---|---|---|---|
| PM0108 | PM0108: STCP 11.4 Enhanced Service Provision | Concluded | ||
| CM092: Schedule 9: TO Construction Terms Update | CM092: Schedule 9:TO Construction Terms Update | Concluded | ||
| CM059 | CM059: Changes to Section C and H following OFGEM Response to Adjudication Request | Concluded | ||
| PM083 | PM083: STCP 19-5 – Update and clarification of process for issuing an FSKN to prospective OFTOs | Concluded | ||
| PM0100 | PM0100: STCP19-3 'Operational Notification & Compliance Testing – update to reflect current process, common practice and terminology.' | Concluded | ||
| 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 | ||
| PM084 | PM084: Improvements to Revenue Forecast Information Provision under STCP24-1 | Concluded | ||
| PM0101 | PM0101: STCP09-1 'Update of procedure on ‘Safety Co-ordination between Parties’ covering HV proximity safety management and testing' | Concluded | ||
| PM0119 | PM0119: TNUoS Revenue Collection Risk Transfer | Concluded | ||
| CM061 | CM061: This proposal seeks to modify the System Operator Transmission Owner Code (STC) to align the elections process to those in the SQSS to allow for an 'Alternative OFTO Election Process' and extend the term of office from one year to two years | 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.
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.
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.