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...

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

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

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...

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...