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Datasets (13)
- CSV
Ancillary services
In our role as Electricity System Operator (ESO), we balance generation and demand in real time. When demand is low, there may be a requirement for additional flexibility to balance generation and…
- ZIP
- GeoJSON
Network charges
This dataset contains approximate GIS (geographic information system) geospatial boundaries for each of the TNUoS generation zones in Great Britain. There are 27 TNUoS generation zones, and each is…
- 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
- CSV
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…
- 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
Trading
This dataset contains data for historic GTMA (Grid Trade Master Agreement) trades conducted since April 2015. The data includes the trade ID, start and end time and date, the volume in MW, the price…
- CSV
- DOC
Demand
This publication is similar to "Historic Demand Data" dataset but updated on a daily basis with approximately ten days lag in receiving settlement data. In the dataset embedded forecast for…
- DOC
- CSV
Demand
This section contains historic electricity demand, interconnector, hydro storage pumping, Non-BM Short Term Operating Reserve (STOR), wind and solar outturn data., Note, : We are currently…
- CSV
Ancillary services
Balancing Services Adjustment Data (BSAD) is used to submit balancing actions to the Balancing & Settlement Code (BSC), which defines the rules and governance for the balancing mechanism and…
- CSV
Ancillary services
Balancing Services Adjustment Data (BSAD) is used to submit balancing actions to the Balancing & Settlement Code (BSC), which defines the rules and governance for the balancing mechanism and…
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