Title Owner Updated

Upcoming Trades Open

In order to meet forecast Electricity System Operator (ESO) balancing requirements at minimum cost, ESO trades energy-related products. This dataset displays all upcoming electricity trades due to be delivered...

1 ESO
Tags: Balancing Energy Subscribable System Trades
CSV

National Grid ESO 2021-12-01

System Inertia Open

This dataset contains an estimate of the outturn inertia and market provided inertia for Great Britain Transmission System.

5 ESO
Tags: Inertia Subscribable System Transmission
CSV

National Grid ESO 2021-12-01

Voltage System Costs Open

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 voltages...

9 ESO
Tags: Cost Diagram Network Subscribable System Voltage
CSV PDF

National Grid ESO 2021-11-18

System Frequency Open

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 0.5 Hz...

34 ESO
Tags: Frequency Historic Subscribable System
CSV

National Grid ESO 2021-11-05

Live System Information Open

This page contains live system data for transmission demand, frequency and transfers. This dataset does not currently include any files to download, all information is presented on this page. Use the links...

1 ESO
Tags: Demand Frequency Live System Transfers
Unknown

National Grid ESO 2021-07-20

System Excursions Open

The National Grid Electricity System Operator (ESO) publishes an annual report on the performance of the National Electricity Transmission System (NETS) in Great Britain and fulfils Transmission Licence...

2 ESO
Tags: Excursions Frequency Subscribable System Voltage
CSV

National Grid ESO 2021-07-20