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System
This page holds the historic system frequency data for Great Britain at a 1 second resolution. It is the role of the National Grid ESO to keep the system frequency at 50 Hz, with a statutory limit of…
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- XLSM
Ancillary services
The Firm Frequency Response (FFR) post tender reports are published following each monthly tender. They indicate which tenders were accepted and rejected and the information submitted for these…
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FES: Pathways to Net Zero
We have been working with the other network companies as part of the Energy Networks Association (ENA) Open Networks project. The Whole System Electricity FES: Pathways to Net Zero part of this work…