v1
latestOpenAPI 3.0.0BSD License2026-07-24228233924.5 KBBalancing Services Volume
This endpoint provides Balancing Services Volume data received from NGESO. Balancing Services Volume is a volume which is received from the System Operator, which represents the volume of energy (MWh) associated with the provision of Applicable Balancing Services for each relevant BM Unit and Settlement Period. QAS can be positive or negative and is normally only provided where there is a non-zero volume.
Query parameters
Start date time for the request. Ex: yyyy-mm-ddThh:mm:ss
End date time for the request. Ex: yyyy-mm-ddThh:mm:ss
Unique identification number for Balancing Mechanism participants. Ex: E_LYNE
The half hour of the day, in local time. It runs from 1-48 on most days (but 1-50 and 1-46 on clock change days)
Number of results to return per page.
The initial index from which to return the results.
The timezone for the query and returned data. If not specified, the default timezone is shown in the information table.
Response
Success