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 | |
---|---|---|---|---|
CM069 | CM069: National Grid Legal Separation - consequential changes to incorporate NGESO in STC Sections & Schedules | Concluded | ||
PM0115 | Amendments to STCP13-1 ‘Invoicing and Payment’ Clause 3.2 - Changes to TO Site Specific Charges | Concluded | ||
PM0125 | PM0125 - STCP01-1 Amendment to Allow Electronic Switching Instruction | Concluded | ||
PM0129 | PM0129: Compliance Processes and Modelling amendments following 9th August 2019 Power Disruption | Current | ||
CM054 | CM054: Code Governance Review - Fast Track Self Governance and Objections | Concluded | ||
PM078 | PM078: Modification of STCP01-1Appendix D to provide a trigger phrase for controlling the power flow on a HV DC transmission line | Concluded | ||
PM095 | PM095: STCP 18-3: Process Improvement | Concluded | ||
PM0104 | PM0104: National Grid Legal Separation - consequential changes to STCP09-1 to reference NGESO | Concluded | ||
PM0116 | Amendments to STCP18-1’Connection and Modification Application to incorporate Interactivity process | Concluded | ||
PM0120 | PM0120: Connections Triggering Distribution Impact Assessment | 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.