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ESO content (220)
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
The stability network services procurement project looks for the most cost-effective way to address stability issues in the electricity system created by the decline in transmission connected…
Balancing services
The constraint management intertrip service looks for ways to reduce the cost of managing constraints at various places in the electricity system.
Balancing services
What is network services procurement?As the Electricity System Operator, it’s our job to keep the grid stable at all times so we can deliver safe and reliable electricity. We’re also preparing to…
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…
Balancing services
The voltage network services procurement looks for the most cost-effective ways to address high voltage system issues created by the need to absorb more reactive power on the transmission network.