Search results
Filter by
Search Content
Datasets (114)
  • CSV
Connection registers
Interconnector Register
A list of interconnector projects that hold connection contracts with NESO. These include active interconnectors and future interconnector projects., Note, : The Mega Watt (MW) Total MW Import…
  • CSV
Connection registers
Embedded Register
A list of connected or contracted to connect embedded generation projects in Scotland.
  • PDF
  • CSV
Constraint management
Day Ahead Constraint Flows and Limits
A snapshot of the limits and flows at relevant boundaries at day ahead stage. These flow values are true for when the measurement was taken and will not reflect any changes in the flows following the…
  • CSV
  • XLSX
Balancing costs
Current Balancing Services Use of System (BSUoS) Charges
There is a file for each run type we calculate a BSUoS charge for - Interim Initial (II), Settlement Final (SF) and Reconciliation Final (RF). These are updated daily with the actual Half Hourly…,…
  • XLSX
  • PNG
  • CSV
Constraint management
Thermal Constraint Costs
Thermal constraints are taken when the amount of energy that would flow naturally from one region to another exceeds the capacity of the circuits connecting the two regions. This dataset provides…
  • 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…
  • CSV
Interconnectors
ElecLink - NESO's Net Transfer Capacity
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
Data Portal: Planned Changes & 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…
  • 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.