v1
latestOpenAPI 3.0.42026-07-233182951.4 MBBMRS Datasets
2-14 days ahead National Demand and surplus forecast (NDFD) stream
This endpoint provides the National Demand forecast received from NGESO. Data is available daily and will show values for the 2 to 14 days ahead. Expressed as an average MW value for each Settlement period. The forecast is based on historically metered generation output for Great Britain. This value INCLUDES transmission losses, but EXCLUDES Interconnector flows and demand from station
Specific publish time filters may be supplied, otherwise this will retrieve the latest published forecast.
This endpoint has an optimised JSON payload and is aimed at frequent requests for the data.
get/datasets/NDFD/stream
Query parameters
publishDateTimeFromstring date-time
publishDateTimeTostring date-time
Response
Data retrieved