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Datasets (112)
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Interconnectors
BritNed - NESO's Intraday Trading Limit
These are the values submitted by NESO 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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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
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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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.
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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 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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Interconnectors
IFA2 - NESO's Intraday Transfer Limit
These are the values submitted by NESO to the interconnector capacity calculation processes which restrict the maximum GB import and export interconnector flows. The values are submitted in MW per…,…
  • CSV
  • DOC
Generation
Embedded Wind and Solar Forecasts
Electricity System Operator (ESO) 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…