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Datasets (113)
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Trading
Historic GTMA (Grid Trade Master Agreement) Trades Data
This dataset contains data for historic GTMA (Grid Trade Master Agreement) trades conducted since April 2015. The data includes the trade ID, start and end time and date, the volume in MW, the price…
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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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Trading
Index Linked Contracted Energy Volume
Index Linked Contract can be used by National Grid ESO to meet the voltage voltage requirement . The contract is normally enacted in the morning ahead of the power exchange auction. The generator…
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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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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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Ancillary services
Dynamic Containment 4 Day Forecast
The dataset contains forecasts of our Dynamic Containment Low and High requirements for the next 4-days. The methodology uses forecasted demand, inertia, and response volumes as well as a view of the…
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Ancillary services
Short Term Operating Reserve (STOR) Day Ahead Auction Results
As part of Clean Energy Package (CEP) 6.9 we will be running daily auction for procurement of Short Term Operating Reserve (STOR). The daily results from the auction are available here.
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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,…
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Generation
Weekly Wind Availability
This publication displays the Electricity System Operator’s (ESO) wind generator availability in megawatt (MW) at a generator level at a weekly resolution for 2-52 weeks ahead.