Search results
Filter by
Search Content
Datasets (20)
  • 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
Trading
Upcoming trades
This dataset displays all upcoming electricity trades due to be delivered. To meet our forecast balancing requirements at minimum cost, we trade energy-related products. The data is refreshed every…
  • PDF
  • PNG
  • CSV
Balancing costs
Dispatch Transparency
This dataset is a component of the Forward Plan 2020-21 commitment to increase the transparency of our operational decision making in the Balancing Mechanism (BM). It includes the publication of…
  • 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
Demand Flexibility Service
Demand Flexibility Service
Demand Flexibility Service (DFS) allows the NESO to access additional flexibility. Email alerts are available for this dataset once subscribed, triggered by any modification to the files. The auction…
  • CSV
Trading
Historic GTMA (Grid Trade Master Agreement) Trades Data
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
Balancing costs
Daily Balancing Services Use of System (BSUoS) Volume Data
The BSUoS charge recovers the cost of day-to-day operation of the transmission system. Generators and suppliers are liable for these charges, which are calculated daily as a flat tariff for all users…
  • CSV
Balancing costs
Daily Balancing Services Use of System (BSUoS) Cost Data
The BSUoS charge recovers the cost of day-to-day operation of the transmission system. Generators and suppliers are liable for these charges, which are calculated daily as a flat tariff for all users…
  • CSV
Balancing costs
Constraint Breakdown Costs and Volume
The publication consists of constraint breakdown information to provide additional transparency of why as ESO we are taking actions on the system. Please note that tags applied to actions can…