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v1

latestOpenAPI 3.0.0BSD License2026-07-24228233924.5 KB
Elexon

Day and Day-Ahead Indicated Imbalance

This endpoint provides the Indicated Imbalance. Data is received by daily by midday from NGESO. Expressed as an average MW value for each Settlement period. The Indicated Imbalance forecast for each period is the difference between the sum of the PNs submitted for generation BM Units (i.e. the Indicated Generation,and the National Demand Forecast made by the System Operator.

get/gb/elexon/forecasts/imbalngc

Query parameters

publish_date_fromstring date-time required

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

publish_date_tostring date-time required

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

limitinteger

Number of results to return per page.

offsetinteger

The initial index from which to return the results.

timezone'UTC' | 'Europe/Berlin' | 'Europe/London' | 'America/New_York' | 'America/Chicago' | 'America/Los_Angeles'

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

Response

Success

countinteger required
nextstring uri nullable
previousstring uri nullable