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Codes
You can raise a modification – or mod – when you want to propose a change to any part of the SQSS. For more information or for help raising an SQSS modification, please contact box.SQSS@…
Balancing services
The Enhanced Reactive Power Service (ERPS) is suitable for generators who can provide reactive power over and above the Grid Code and Obligatory Reactive Power Service (ORPS) requirements. On this…
Codes
The Security and Quality of Supply Standard sets out the criteria and methodology for planning and operating the National Electricity Transmission System (NETS).As the code administrator for the…
Codes
All documents relating to the SQSS are available here to download. Including the latest version of the code itself.
For more information about the code, please contact box.SQSS@nationalgrideso.…
Balancing services
Reactive power services are how we ensure voltage levels on the system remain within a given range, as mandated in the SQSS (Security and Quality of Supply Standard). We instruct generators or other…