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Datasets (6)
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Trading
This dataset displays all upcoming electricity trades due to be delivered. To meet our forecast balancing requirements at minimum cost, we trade energy-related products. The data is refreshed every…
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Generation
The dataset contains national and BMU-Level 0-14 day ahead wind forecasts for all the windfarms which are used to produce NESO's national day ahead incentive wind forecasts available here . The…
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System
This dataset contains an estimate of the outturn inertia and market provided inertia for Great Britain Transmission System.
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Ancillary services
The Balancing reserve service has been designed to secure firm positive and negative reserve on BM units at the day ahead stage. The service is procured via a daily auction at 08:15 for delivery…,…
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Constraint management
To give greater insight on balancing decisions, this post monthly report provides outturn system costs for maintaining voltage levels on the network. Maintaining the electricity system at the correct…
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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…