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Datasets (114)
- CSV
Ancillary services
This dataset will contain our forecasted requirements for Static Firm Frequency Response.
- CSV
Ancillary services
This dataset will contain our forecasted requirements for Dynamic Regulation.
- CSV
Ancillary services
This dataset will contain our forecasted requirements for Dynamic Moderation.
- XLSX
- CSV
Ancillary services
The obligatory reactive power service (ORPS) is the provision of varying reactive power output. At any given output generators may be requested to produce or absorb reactive power to help manage…
- CSV
Constraint management
This dataset contains Mega Watt constraint limits for the main boundaries on the transmission system on weekly bases for 24 months ahead.
- CSV
Demand
The historic half hourly day ahead national demand forecast as published via BMRS, alongside the outturn values, adjustments for TRIAD avoidance estimates and Absolute Percentage Error (APE) for each…
- XLSX
- CSV
Balancing costs
The Balancing Services Use of System (BSUoS) costs are reported on a monthly basis with a forecast for the next month and a rolling 24 month period. Here you can find the data for the 24 month ahead…
- CSV
Demand Flexibility Service
Demand Flexibility Service (DFS) allows the NESO to access additional flexibility. Email alerts are available for this dataset once subscribed, triggered by any modification to the files. The auction…
- CSV
Interconnectors
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
Data Portal changes and known issues
Here you will find details of upcoming changes to the NESO Data Portal along with any known issues that we are working to resolve. If you have encountered any issues not captured in this table please…