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 | Link to modification |
|---|---|---|---|---|
| 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 | view | |
| PM0157 | PM0157: Standardisation of Power Flow Metering Polarity | Current | view | |
| PM0156 | PM0156: Consequential changes to STCP13-2 arising from CM093 | Current | view | |
| CM097 | CM097:Electromagnetic Transient (EMT) and Root Mean Square (RMS) Model Submission for Transmission Owners (TOs) | Current | view | |
| CM0107: Update for Centralised Strategic Network Plan | CM0107: Update for Centralised Strategic Network Plan | Current | view | |
| CM0106 | CM0106: Interface Substation Compliance Assessment | Current | view | |
| PM0150 | PM0150: Due Date for Monthly Payments to Transmission Owners (TOs) | Implemented | view | |
| CM0104 | CM0104: Due Date for Monthly Payments to Transmission Operators (TOs) | Implemented | view | |
| PM0154 | PM0154: STCP16-1 System Access Reform. Investment Planning Process - Data on Constraint Costs. | Implemented | view | |
| PM0153 | PM0153: System Access Reform. Emergency Return to Service (ERTS): Profiling Review. | Current | view |
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.