Grid Code Modifications
You can raise a modification – or mod – when you want to propose a change to any part of the Grid Code.
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 | |
|---|---|---|---|---|
| GC0165 | GC0165: Typographical and formatting changes to the Grid Code | Implemented | ||
| GC0161 | GC0161: Changes to OC6 to allow for site protection | Implemented | ||
| GC0148 | GC0148: Implementation of EU Emergency and Restoration Code Phase II | Implemented | ||
| GC0141 | GC0141: Compliance Processes and Modelling amendments following 9th August Power Disruption | Implemented | ||
| GC0160 | GC0160 - Grid Code Changes for BSC Mod P448: "Protecting Generators subject to Firm Load Shedding during a Gas Supply Emergency from excessive Imbalance Charges" | Implemented | ||
| GC0158 | GC0158: Reversing unimplemented aspects of GC0068 | Implemented | ||
| GC0157 | GC0157: Grid Code Housekeeping modification | Implemented | ||
| GC0138 | GC0138: Compliance process technical improvements (EU and GB User) | Implemented | ||
| GC0153 | GC0153: Making the Grid Code Gender Neutral | Implemented | ||
| GC0137 | GC0137: Minimum Specification Required for Provision of GB Grid Forming (GBGF) Capability (formerly Virtual Synchronous Machine/VSM Capability) | Implemented |
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.
Modification Proposal Form
If you're thinking about raising a modification, please get in touch with us. Our experts can give you advice on your Proposal, explain how the modification process works and help to answer any questions you may have. 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.