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Datasets (114)
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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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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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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,…
  • CSV
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.
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Generation
Daily Wind Availability
This publication displays the Electricity System Operator’s (ESO) wind generator availability in megawatts (MW) at a daily resolution for 2-14 days ahead.
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Balancing costs
Skip Rates
A new dataset to calculate Skip Rates using the methodology developed with LCP Delta. For more information on this methodology see the Skip Rate section of the website. This dataset provides the skip…
  • TXT
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Ancillary services
Short Term Operating Reserve (STOR) day ahead buy curve
As part of Clean Energy Package (CEP) 6.9, we will be running daily auction for procurement of STOR. The buy curve used in the daily assessment process is available here.
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  • DOC
Generation
Embedded Wind and Solar Forecasts
National Energy System Operator (NESO) publishes at a half-hourly resolution the embedded (refer to embedded document for definition) wind and solar forecast from within day up to 14 days ahead. This…
  • CSV
  • PDF
Carbon intensity
National Carbon Intensity Forecast
This dataset contains national carbon intensity forecast for the GB electricity system. The carbon intensity of electricity is a measure of how much CO2 emissions are produced per kilowatt hour of…