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Datasets (4)
- CSV
Constraint management
This dataset contains the 24-month ahead constraint costs on a monthly basis for the main boundaries on the transmission system. These costs are the costs of managing constraint boundaries (for…
- PNG
- CSV
Balancing costs
This dataset is a component of the Forward Plan 2020-21 commitment to increase the transparency of our operational decision making in the Balancing Mechanism (BM). It includes the publication of…
- CSV
Ancillary services
The ESO publishes non-BM instruction data from our ASDP system. This data is published in near real-time from the ASDP every 30 seconds. A new monthly file is only created when a new set of…
- CSV
Trading
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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