Demand and Surplus Forecast Data (2-52 weeks ahead) Transmission System Demand

This endpoint provides the Transmission System Demand forecast received from NGESO. Data is available from 4pm each Thursday and will show values for the 2 to 52 weeks ahead. Expressed as an average MW value for each week. 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. This API will provide a maximum data output range of 366 days.

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Query Params
date-time
required

Start date time for the request, referring to when the forecast was published. Ex: yyyy-mm-ddThh:mm:ss

date-time
required

End date time for the request, referring to when the forecast was published. Ex: yyyy-mm-ddThh:mm:ss

integer
1 to 10000

Number of results to return per page.

integer
≥ 0

The initial index from which to return the results.

string
enum

The timezone for the query and returned data. If not specified, the default timezone is shown in the information table.

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