Grid Code modifications
Find a list of all modifications made to the Grid Code.
Why we make modifications
The Grid Code is continuously evolving. Modifications are made to ensure compatibility with the I-SEM (wholesale electricity market), new generation technologies, demand side management and European Network Codes.
This table shows updates to the SONI Grid Code since 14 February 2020.
Grid Code / PPM Settings Schedule | Modification | Description | Date | Approval |
|---|---|---|---|---|
GC_2024_2 | Addition of Network Code HVDC requirements | 08/05/24 | ||
GC_2024_1 | Generator aggregator system operator agreement update definitions | 20/03/24 | ||
GC_2023_3 | Grid Code and PPM Settings Schedule updated for ESPS Modification | 08/12/23 | ||
PPMSS_2023_2 | Grid code updated for DSUSOIA. | 08/12/23 | ||
PPMSS_ 2023_1 | PPM Schedule updated to incorporate additional required PV signals. | 08/12/23 | ||
GC_2023_2 | Grid Code updated to incorporate approved RoCoF requirements | 09/02/23 | ||
GC_2023_1 | Condition 16 Grid Code Modification | Grid Code updated to incorporate approved Metering Code requirements | 08/02/23 | |
GC_2020_1 | RfG Grid Code Modification | Grid Code updated to incorporate approved RfG requirements | 08/10/20 | |
GC_05_2023 | DCC Modification DCC Modification (ZIP, 8.13MB) | Addition of articles from the European Network Code on demand connection (Demand Connection Code) | 03/03/2025 |