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 | Status | Last Updated Sort ascending | |
|---|---|---|---|---|
| CM085 | CM085: To clarify OFTO reactive power requirements at <20% output | Implemented | ||
| CM096 | CM096 Application of Gate 2 Criteria to existing contracted background | Withdrawn | ||
| CM095 | CM095 - Implementing Connections Reform | Current | ||
| CM097 | CM097:Electromagnetic Transient (EMT) and Root Mean Square (RMS) Model Submission for Transmission Owners (TOs) | Current | ||
| CM0100 | CM0100 - Consequential modification following the approval and implementation of CUSC modification – CMP428 User Commitment liabilities for Onshore Transmission (reinforcement) in the Holistic Network Design | Implemented | ||
| PM0141 | PM0141 Incorporating a revised outage change code list in STCP 11.2 Appendix 5 | Current | ||
| Establishing ISOP in industry codes 2024 | Establishing ISOP in industry codes 2024 | Current | ||
| CM099 | CM099 - Removing references to “Fax” and “Facsimile” within the STC | Implemented | ||
| PM0125 | PM0125 - STCP01-1 Amendment to Allow Electronic Switching Instruction | Implemented | ||
| PM0140 | PM0140 - Housekeeping changes following the implementation of PM0135 | Implemented |
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.