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ESO content (8)
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@…
Connections
As the Electricity System Operator for Great Britain, it’s our job to move electricity safely, reliably and efficiently through the system.
We don’t generate or sell electricity and we’re not…
Connections
This page includes information about the connections offer process. We’ve split the process into five parts, each of which contain step-by-step guidance on roles and responsibilities. There are also…
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…
Connections
Update: 27/02/2024Read our latest letter to customersA temporary two-step connection offer process was in place from 1 March to 27 November 2023, in England and Wales, which applied to new…
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.…
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…
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…