Search results
Filter by
Search Content
Datasets (117)
  • CSV
System
System Inertia
This dataset contains an estimate of the outturn inertia and market provided inertia for Great Britain Transmission System.
  • CSV
Ancillary services
Enduring Auction Capability (EAC) auction results
The current suite of response services (DC, DM, and DR) are now being procured via the EAC platform. The daily auction results will now be published below. The previous results page will no longer be…
  • CSV
Trading
Interconnector Requirement and Auction Summary Data
National Energy System Operator (NESO) trades on interconnectors to adjust the flow of electricity into or out of Great Britain to help manage system issues such as thermal, voltage or stability…,…
  • CSV
Demand
2-14 Days Ahead Demand Forecast
This dataset contains national electricity demand forecasts for 2-14 days ahead (medium term) as well as all historic 2-14 days ahead forecasts. These forecasts assist the industry to make efficient…
  • TXT
  • CSV
Ancillary services
Short Term Operating Reserve (STOR) day ahead buy curve
As part of Clean Energy Package (CEP) 6.9, we will be running daily auction for procurement of STOR. The buy curve used in the daily assessment process is available here.
  • CSV
Balancing costs
Skip Rates
A new dataset to calculate Skip Rates using the methodology developed with LCP Delta. For more information on this methodology see the Skip Rate section of the website. This dataset provides the skip…
  • 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…,…
  • CSV
  • PNG
Demand
Day Ahead Demand Forecast
This dataset contains national electricity demand forecast for day ahead as well as all historic day ahead demand forecasts. The forecast assists the industry to make efficient decisions in balancing…
  • CSV
Interconnectors
North Sea Link - 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
Ancillary services
Static Firm Frequency Response auction results
This dataset contains the results from daily auction for static FFR and buy orders. For service requirement see this page: Static FFR Requirements