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 | |
|---|---|---|---|---|
| PM0112 | PM0112: Consequential STCP updates following implementation of RFG and HDVC into the GB Grid Code | Implemented | ||
| PM0106 | PM0106: National Grid Legal Separation - consequential changes to STCP19-3 to reference NGESO | Implemented | ||
| PM0105 | PM0105: National Grid Legal Separation - consequential changes to STCP13-2 to reference NGESO | Implemented | ||
| PM0104 | PM0104: National Grid Legal Separation - consequential changes to STCP09-1 to reference NGESO | Implemented | ||
| PM0103 | PM0103: National Grid Legal Separation - consequential changes to STCPs to reference NGESO and SO/TO interface design changes to STCPs | Implemented | ||
| PM0102 | PM0102: National Grid Legal Separation - consequential changes to STCPs to reference NGESO | Implemented | ||
| CM090 | CM090: Housekeeping changes to simplify FSO transition | Implemented | ||
| CM080 | CM080: Transmission Impact Assessment Process | Implemented | ||
| CM077 | CM077 - Re-alignment of STC and STCP provisions for Construction Offer Timescales | Implemented | ||
| CM076 | CM076 - STC change to reflect the terms of the UK’s departure from the EU | Implemented |
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.