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Datasets (7)
- CSV
- XLSX
Balancing costs
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
Interconnectors
These are the values submitted by NGESO to the interconnector capacity calculation processes which restrict the maximum GB import and export interconnector flows. The values are submitted in MW per…
- CSV
System
This page holds the historic system frequency data for Great Britain at a 1 second resolution. It is the role of the National Grid ESO to keep the system frequency at 50 Hz, with a statutory limit of…
- CSV
Network charges
This dataset contains a breakdown of all the Transmission Network Use of System (TNUoS) tariff elements of which are forecasted and set by the revenue team at National Grid ESO. These files will be…
- CSV
Network charges
This dataset contains a breakdown of all the Assistance for Areas of High Electricity Distribution Costs (AAHEDC) Tariffs elements which are forecasted and set by the revenue team at National Grid…
- CSV
Balancing costs
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…
- XLSX
- CSV
- XLSM
Ancillary services
The Firm Frequency Response (FFR) post tender reports are published following each monthly tender. They indicate which tenders were accepted and rejected and the information submitted for these…