Demand and Surplus Forecast Data (2-14 days ahead) Transmission System

This end point provides the Transmission System forecast. Data is available from 9am on current day and will show values for the 2 to 14 days ahead. Expressed as an average MW value for each Settlement period. The Transmission System Demand Forecast is based on historically metered generation output for Great Britain. This value INCLUDES Interconnector flows and demand from station transformers and pumped storage units. Specific publish time filters may be supplied, otherwise this will retrieve the latest published forecast.

Data sourceElexon
Historical Data2022-02-15
Update frequencyContinuously
Granularity1 day
Subscription typeFree
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