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Datasets (7)
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System
System Operating Plan (SOP)
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…
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System
System Inertia
This dataset contains an estimate of the outturn inertia and market provided inertia for Great Britain Transmission System.
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System
Stability Pathfinder service information
This dataset gives indicative information on the availability and utilisation of Stability Pathfinder contracts. The information is provided at a settlement period resolution for all contracted units…
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System
System Frequency
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…
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Network charges
Transmission Network Use of System (TNUoS) Tariffs
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…
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System
System Inertia Cost
This data set gives indicative values for the average daily price (in £ per GVAs) for BM accepted offers tagged as being for System Inertia. The tagging process identifies the most likely main reason…
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Network charges
Assistance for Areas of High Electricity Distribution Costs (AAHEDC) Tariffs
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…