As part of our daily planning processes within the ESO control room, the control room strategy team produces a System Operating Plan (SOP) at key demand peaks or troughs throughout the day, at what we...

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

This dataset contains approximate GIS (geographic information system) geospatial boundaries associated with each of the Grid Supply Points (GSPs) on the transmission network. The boundaries have been...

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...