We are becoming a separate company

In April 2019, the Electricity System Operator is becoming a separate company within the National Grid Group. Find out more about what this change will mean.

Grid Code

The Grid Code is the technical code for connection and development of the National Electricity Transmission System (NETS).

 

ID Name Status Last updated Sort ascending
GC0111 GC0111: Fast Fault Current Injection specification text Current 21 Mar 2019
GC0068 GC0068: Grid Code New and Revised Unit Data and Instructions Current 19 Mar 2019
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 Current 15 Mar 2019
GC0114 GC0114: System Operation Guideline: Prequalification Processes Current 15 Mar 2019
GC0122 GC0122 - Amending references to NGET and the Company within the Grid Code following previous modifications Current 14 Mar 2019
GC0107 GC0107: The open, transparent, non discriminatory and timely publication of the generic and/ or PGM specific values required to be specified by the relevant TSO(s) and / or relevant system operator et al., in accordance with the RfG Current 8 Mar 2019
GC0106 GC0106: Data exchange requirements in accordance with Regulation (EU) 2017/1485 (SOGL) Current 8 Mar 2019
GC0105 GC0105: System Incidents Reporting Current 5 Mar 2019
GC0096 GC0096: Energy Storage Current 5 Mar 2019
GC0120 National Grid legal separation changes to clarify Grid Code responsibilities and consequential changes Current 4 Mar 2019