The 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 Balancing Mechanism (BM) Unit and Settlement Period. This volume is added to the total accepted bid and offer volumes for the relevant BM Unit when performing the Settlement calculations.

Balancing Services has the meaning given to that term in the Transmission Licence, and Applicable Balancing Services refers to the Balancing Services in respect of which the System Operator submits Applicable Balancing Services Volume data.