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ESO content (202)
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…
Charging
Connection Charges recover the cost of installing and maintaining connection assets which connect individual users to the GB Transmission Network.Who does this charge apply to?✓ Generators✕…
Markets
The energy transition must be affordable, and the ESO Markets team is making sure that GB will achieve a fair, reliable energy future for all.
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Balancing services
2024-25 Frequency Response volumes D3
Markets
Reform of ESO’s ancillary service and balancing markets is crucial if we are to ensure that we can operate a zero carbon electricity system by 2025, and fully decarbonise by 2035. These reforms will…
Markets
We hold these events four times a year and consider these as key milestones to engage with a wide range of industry stakeholders. We aim to reflect on the priorities of the energy industry and how…
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Balancing services
Average frequency data for the Mandatory frequency response page.
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Balancing services
2024-25 Frequency Response volumes D9