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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@…
Charging
Connection Charges recover the cost of installing and maintaining connection assets which connect individual users to the GB Transmission Network.Who does this charge apply to?✓ Generators✕…
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.…
Connections
The portal has been designed to transform the connections journey and account management for all customers.The portal has digitised the application process and includes the following high-level…
Codes
The Frequency Risk and Control Report includes an assessment of the magnitude, duration and likelihood of transient frequency deviations, forecast impact and the cost of securing the system and…
Codes
The SQSS review panel is made up of a panel chair and a panel technical secretary (provided by us), as well as members of the National Grid System Operator, transmission owners, offshore…