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 | |
|---|---|---|---|---|
| CM079 | CM079: Consideration of STC/STCP changes in relation to CMP330/374 | Current | ||
| PM0136 - Introducing Connections process to facilitate Competitively Appointed Transmission Owners | PM0136 - Introducing Connections process to facilitate Competitively Appointed Transmission Owners | Current | ||
| CM099 | CM099 - Removing references to “Fax” and “Facsimile” within the STC | Current | ||
| PM0126 | PM0126: Transmission Impact Assessment Process in relation to CMP298 | Implemented | ||
| CM097 | CM097:Electromagnetic Transient (EMT) and Root Mean Square (RMS) Model Submission for Transmission Owners (TOs) | Current | ||
| PM0127 | PM0127: Improving TNUoS Predictability through Increased Notice of the Target Revenue & Inputs used in the TNUoS Tariff Setting Process | Withdrawn | ||
| PM0140 | PM0140 - Housekeeping changes following the implementation of PM0135 | Current | ||
| CM085 | CM085: To clarify OFTO reactive power requirements at <20% output | Current | ||
| CM086 | CM086: Introducing Competitively Appointed Transmission Owners & Transmission Service Providers | Current | ||
| CM087 | CM087: Introducing Connections Process to facilitate Competitively Appointed Transmission Owners | Current |
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.