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ESO content (263)
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…
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Balancing services
2024-25 Frequency Response volumes D3
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.
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…
Balancing services
Having launched our new Dynamic Response Services, Dynamic Containment (DC), Dynamic Moderation (DM) and Dynamic Regulation (DR), we are aiming to lift the volume caps on DM and DR to allow our…
Strategic Energy Planning
NOA for Interconnectors (NOA IC) identifies how much interconnection capacity would provide benefit to consumers and other interested parties. It highlights the potential benefits of efficient…
Balancing services
This page holds historic frequency data for Great Britain at a 1 second resolution. N.B. 2019 data was updated on 14/2/2020 to correct for errors.
Data for 2020 onwards will be published on the…
Balancing services
Find out about the different types of existing frequency response services and how to get involved.
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Strategic Energy Planning
Recommended network design facilitates the connection of up to 4.5 GW of renewable energy capacity in the Celtic Sea, with three connections into South Wales and South West England. …