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 Sort descending Status Last Updated
PM0115 Amendments to STCP13-1 ‘Invoicing and Payment’ Clause 3.2 - Changes to TO Site Specific Charges Concluded
CM070 CM070: Consequential STC Updates following implementation of RfG and HVDC into the GB Grid Code Concluded
PM0116 Amendments to STCP18-1’Connection and Modification Application to incorporate Interactivity process Concluded
PM0117 Annual Charge Setting - data submission flexibility Concluded
CM075 Clarification on TO Final Sums definition Concluded
CM050 CM050: Code Governance Review 2 - Self Governance and Appeals Concluded
CM051 CM051: Code Governance Review Phase 2 - Significant Code Review Concluded
CM052 CM052: Code Goveranance Review 2 - Code Administrator and Code Administration Code of Practice Concluded
CM053 CM053: Code Governance Review 2 - Send Back Process Concluded
CM054 CM054: Code Governance Review - Fast Track Self Governance and Objections Concluded

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.