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Datasets (112)
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Ancillary services
Non-BM ancillary service dispatch platform (ASDP) instructions
The NG ESO publishes non-BM instruction data from our ASDP system once instructions have been confirmed by Service Providers. This information is then continuously published throughout the day on…
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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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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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Trading
Interconnector Requirement and Auction Summary Data
National Grid ESO (NGESO) trades on interconnectors to adjust the flow of electricity into or out of Great Britain to help manage system issues such as Rate Of Change Of Frequency (ROCOF), thermal…,…
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Trading
Balancing Services Contract Enactment
National Grid ESO procures balancing service contracts to balance demand and supply and to ensure the security and quality of electricity supply across Britain's transmission system. For some of…
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Carbon intensity
Historic generation mix and carbon intensity
The carbon intensity of electricity measures how much carbon dioxide emissions are produced per kilowatt hour. This dataset contains data from 1 January 2009. It has seasonal decomposition applied to…
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Generation
14 Days Ahead Operational Metered Wind Forecasts
The dataset contains national and windfarm-level 0-14 Day Ahead wind forecasts for all the windfarms which provide real-time operational metering (SCADA telemetry) to the ESO. The forecasts are based…
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Generation
14 Days Ahead Wind Forecasts
The dataset contains national and anonymised BMU-Level 0-14 day ahead wind forecasts for all the windfarms which are used to produce ESO's national day ahead incentive wind forecasts available…
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Generation
Weekly operational planning margin requirement (OPMR)
OPMR is the amount of generation exceeding the demand forecast needed to meet our reserve requirement. When assessing and publishing generation availability information against system requirements,…
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Generation
Daily operational planning margin requirement (OPMR)
OPMR is the amount of generation exceeding the demand forecast needed to meet our reserve requirement. When assessing and publishing generation availability information against system requirements,…