v1

latestOpenAPI 3.0.42026-07-233182951.4 MB
BMRS 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

datasetstring nullable
publishTimestring date-time
forecastDatestring date
demandinteger nullable