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 Sort ascending NameAffectedStatusLast updated
GC0160GC0160 - Grid Code Changes for BSC Mod P448: "Protecting Generators subject to Firm Load Shedding during a Gas Supply Emergency from excessive Imbalance Charges" Current 22 Nov 2022
GC0159GC0159: Introducing Competitively Appointed Transmission Owners Current 10 Nov 2022
GC0158GC0158: Reversing unimplemented aspects of GC0068 Current 9 Nov 2022
GC0157GC0157: Grid Code Housekeeping modification Concluded 6 Oct 2022
GC0156GC0156: Facilitating the Implementation of the Electricity System Restoration Standard Current 22 Nov 2022
GC0155GC0155: Clarification of Fault Ride Through Technical Requirements Current 4 Oct 2022
GC0154GC0154: Incorporation of interconnector ramping requirements into the Grid Code as per SOGL Article 119 Current 13 Oct 2022
GC0153GC0153: Making the Grid Code Gender Neutral Concluded 9 Mar 2022
GC0152GC0152: Updating the Grid Code governance process to ensure we capture network code on electricity emergency and restoration (NCER) change process for Article 4 Terms and Conditions (T&Cs) Concluded 14 Jan 2022
GC0151GC0151: Grid Code Compliance with Fault Ride Through Requirements Concluded 29 Nov 2021