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.

Views reference
Modification status
ID Name Status Last Updated
PM0120 PM0120: Connections Triggering Distribution Impact Assessment Current
PM0125 PM0125 - STCP01-1 Amendment to Allow Electronic Switching Instruction Concluded
CM082 CM082: STC Governance Improvements Concluded
PM0123 PM0123 - Making the STCPs Gender Neutral Concluded
CM078 CM078: Connections Triggering Distribution Impact Assessment Current
CM081 CM081 - Making STC Gender Neutral Concluded
PM0122 PM0122: Compliance Testing Concluded
PM0121 PM0121: STCP16-1 Bay Reservation Amendment Concluded
CM080 CM080: Transmission Impact Assessment Process Concluded
CM079 CM079: Consideration of STC/STCP changes in relation to CMP330/374 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.