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Datasets (7)
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Trading
Upcoming trades
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
14 Days Ahead Wind Forecasts
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
System Inertia
This dataset contains an estimate of the outturn inertia and market provided inertia for Great Britain Transmission System.
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Generation
Day Ahead Wind Forecast
The dataset contains national and BMU wind forecast over a day ahead timescale as well as all historic day ahead wind forecasts to assist the industry to make efficient decisions in balancing their…
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Generation
Wind BOA Volumes
This dataset contains the volumes of all BOAs taken on wind BMUs that are used in our incentive wind forecasts.
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Constraint management
Voltage System Costs
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
System Frequency
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…