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Datasets (103)
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Interconnectors
These are the values submitted by NGESO to the interconnector capacity calculation processes which restrict the maximum GB import and export interconnector flows. The values are submitted in MW per…
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Demand
This dataset contains incremental updates for 2-52 weeks ahead demand forecast. The forecast assist the industry to make efficient decisions in balancing their supply and demand positions.
- CSV
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…
- XLSX
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Ancillary services
Frequency Response Products Market Information Report aims to give guidance on the response products requirement and updates on recent changes to procurement of those products.
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Future Energy Scenarios
This dataset represents the regional results from the Spatial Heat model used as part of the Future Energy Scenarios. The 2021 data was generated to support a thought piece to explore the findings…
- XLSX
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Balancing costs
The MBSS gives the costs and volumes of balancing services used by the ESO. These costs are broken into individual months in the past financial year, as well as by each individual service. The most…
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Demand
There are a number of factors which influence transmission losses. These include variations in zonal generation patterns, growth in northern vs southern generation, level of Scottish exports to…
- CSV
Ancillary services
The “Contract Transfer of Obligation” will be updated when ESO receives a Market Provider request to transfer a Balancing Service contract from a contracted unit to a non-contracted unit. This file…
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Generation
Metered wind output in MW for Scotland, England, and Wales. Output is provided per date per settlement period. Please note that this data is from operational metering and is therefore expected to be…
- CSV
Demand
The historic half hourly day ahead national demand forecast as published via BM reports, alongside the outturn values, adjustments for TRIAD avoidance estimates and Absolute Percentage Error (APE)…
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