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 | |
|---|---|---|---|---|
| GC0075 | GC0075: Hybrid Static Compensators | Concluded | ||
| GC0098 | GC0098: Using GB Grid Code data to construct the EU Common Grid Model in accordance with Regulation EU 2015 1222 CACM and Regulation EU 2016 1719 FCA | Concluded | ||
| GC0099 | GC0099: Establishing a common approach to interconnector scheduling consistent with the single intraday market coupling processes set out within Regulation EU 2015 1222 CACM | Concluded | ||
| GC0077 | GC0077: Suppression of Sub-Synchronous Resonance from Series Capacitive Compensation | Concluded | ||
| GC0065 | GC0065: Consequential Changes from STC Modification CA049 | Concluded | ||
| GC0044 | GC0044: Grid Code Changes Resulting From BSC Modification P276 | Concluded | ||
| GC0063 | GC0063: Power Available | Concluded | ||
| GC0022 | GC0022: Frequency Response | Concluded | ||
| GC0037 | GC0037: Offshore Balancing Mechanism Unit Configuration | Concluded | ||
| GC0042 | GC0042: Information on Small Embedded Power Stations and Impact on Demand | Concluded |
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.
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.
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.