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 | |
|---|---|---|---|---|
| PM0145 Digital Communication System Integration | PM0145 Digital Communication System Integration | Withdrawn | ||
| CM097 | CM097:Electromagnetic Transient (EMT) and Root Mean Square (RMS) Model Submission for Transmission Owners (TOs) | Current | ||
| PM0143 Implementing Connection Reform | PM0143 Implementing Connection Reform | Current | ||
| PM0142 | PM0142 Application of Gate 2 Criteria to existing contracted background | Current | ||
| PM0133 - Pathfinder feasibility studies | PM0133 - Network Services Feasibility Studies | Current | ||
| CM095 | CM095 - Implementing Connections Reform | Current | ||
| CM085 | CM085: To clarify OFTO reactive power requirements at <20% output | Implemented | ||
| CM096 | CM096 Application of Gate 2 Criteria to existing contracted background | Withdrawn | ||
| 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 |
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.