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Balancing services
2023-24 Frequency Response volumes D9
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Networks
This report shares our plan, progress and learning on sub-synchronous oscillations.
Balancing services
Find out about the different types of existing frequency response services and how to get involved.
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…
Networks
Our Network Access Planning engineers are responsible for assessing, co-ordinating and sanctioning the planned release of assets from the National Electricity Transmission System, NETS, for…
Networks
Our colleagues are at the heart of the ESO, working hard to operate a safe and reliable electricity system all whilst supporting the transition to a greener, and more efficient system for future…
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…
Balancing services
Mandatory frequency response (MFR) is an automatic change in active power output in response to a frequency change. The service helps us to keep frequency within statutory and operational limits.…
Balancing services
Firm Frequency Response (FFR) is our traditional frequency response suite used for balancing grid frequency in real time. Static FFR will continue to be actively procured until replaced with a…
Networks
A 36-bus equivalent network representing the National Electricity Transmission System of Great Britain was modelled in DIgSILENT PowerFactory. The entire system was split into 36 zones for which the…