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 | |
|---|---|---|---|---|
| GC0113 | GC0113: The open, transparent, non-discriminatory and timely publication of the generic and user specific values required to be specified by the relevant TSO(s) and / or relevant system operator et al., in accordance with the DCC | Concluded | ||
| GC0129 | GC0129 - Updating the Grid Code to use Engineering Recommendation G5/5 - Harmonics | Concluded | ||
| GC0144 | GC0144: Alignment of Market Suspension Rights to the EU Emergency and Restoration Code Article 35.1(b) | Concluded | ||
| GC0161 | GC0161: Changes to OC6 to allow for site protection | Concluded | ||
| GC0037 | GC0037: Offshore Balancing Mechanism Unit Configuration | Concluded | ||
| 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 | ||
| GC0114 | GC0114: System Operation Guideline: Prequalification Processes | Concluded | ||
| GC0130 | GC0130: OC2 Change for simplifying ‘output useable’ data submission and utilising REMIT data | Concluded | ||
| GC0146 | GC0146: Solutions for frequency control of Power Park Modules | 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.