Search results
Filter by
Search Content
Datasets (114)
  • ZIP
  • GeoJSON
Network charges
GIS Boundaries for GB Generation Charging Zones
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…
  • ZIP
  • CSV
Ancillary services
Phase 2: FFR Auction Results Summary
As part of our work on developing our balancing services we ran a weekly trial auction for Firm Frequency Response. The weekly auction trial results and order hash data are available here., Note:,…
  • CSV
Constraint management
Year Ahead Constraint Limits
This dataset contains a year ahead Mega Watt constraint limits for the main boundaries on the transmission system., NOTE:, This dataset has now been replaced by the "24 Months Ahead Constraint…
  • CSV
Balancing costs
Daily Balancing Services Use of System (BSUoS) Forecast
This file contains the Electricity System Operator's (ESO) half-hourly BSUoS forecast (Balancing Services Use of System charge). The estimated BSUoS charge is calculated by taking the forecast…