Search results
Filter by
Search Content
Datasets (115)
  • CSV
  • PDF
Constraint management
Voltage System Costs
To give greater insight on balancing decisions, this post monthly report provides outturn system costs for maintaining voltage levels on the network. Maintaining the electricity system at the correct…
  • CSV
Constraint management
Constraint Management Intertrip Service Information (CMIS)
This dataset gives information on the arming and disarming of units contracted under CMIS (previously known as Constraint Management Pathfinder). The information is provided for each instance of…,…
  • CSV
Generation
Monthly operational metered wind output
Metered wind output in MW for Scotland, England, and Wales. Output is provided per date per settlement period. Please note that this data is from operational metering and is therefore expected to be…
  • CSV
Ancillary services
Ancillary Services Important Industry Notifications
The dataset contains the latest update on important ancillary services procurement changes. Please subscribe to get the latest update.
  • CSV
  • PDF
Constraint management
24 Months Ahead Constraint Limits
This dataset contains Mega Watt constraint limits for the main boundaries on the transmission system on weekly bases for 24 months ahead.
  • CSV
Constraint management
24 Months Ahead Constraint Cost Forecast
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…
  • ZIP
  • GeoJSON
  • CSV
  • TXT
System
GIS Boundaries for GB Grid Supply Points
This dataset contains approximate GIS (Geographic Information System) geospatial boundaries associated with each of the Grid Supply Points (GSPs) on the GB transmission network. GSPs are points of…
  • CSV
Demand
School Holiday Percentages
This resource contains the population weighted percentage of Public schools on holiday across GB and for each Local Authority as well as the population multipliers given to each Local Authority. This…
  • CSV
System
System Inertia Cost
This data set gives indicative values for the average daily price (in £ per GVAs) for BM accepted offers tagged as being for System Inertia. The tagging process identifies the most likely main reason…
  • CSV
Balancing costs
BSUoS Fixed Tariffs
This dataset contains all the Balancing Services Use of System Charges (BSUoS) tariffs which are forecasted and set by the revenue team at National Grid ESO. These files will be updated on a six…