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ESO content (19)
Balancing services
At certain times of the day, we need access to sources of extra power in the form of either increased generation or demand reduction. This enables us to manage a greater than forecast…
Balancing services
Super SEL is utilised to directly decrease the sum of the minimum MW level or Stable Export Limit (SEL) of generators synchronized to the system by lowering the minimum generating level at a…
Balancing services
Please note: We are no longer actively procuring this service. The information provided on this page is for existing providers of BM start up services.
Strategic Energy Planning
The ETYS is the ESO’s view of how the future transmission system requirements will be met. Currently, this focuses mainly on bulk power transfer requirements, particularly during winter-peak…
Strategic Energy Planning
National Electricity Transmission System (NETS)As the ESO, we are responsible for the system operation of the transmission networks in England, Wales, Scotland, and in the surrounding offshore…
Strategic Energy Planning
Great Britain’s NETS must continue to adapt and be developed so power can be transported from source to demand, reliably and efficiently.
Balancing services
Reserve is needed for frequency management when there is an imbalance between supply of energy and demand for energy.
Balancing services
A smart, flexible system that makes the best use of all the energy resources available will enable us to meet our customers’ needs in a balanced, efficient and economical way.
Our aim is to create…
Balancing services
We utilise a product called 'Regulating Reserve' to correct energy imbalances (differences between generation and demand) on the the GB power system.Requirements for Regulating Reserve are set so…
Strategic Energy Planning
The ETYS 2023 is just one of the publications that make up the suite of documents.We provide appendices that contain all the data workbooks and diagrams so you can see how we came to the…