Queensland Consolidated Acts Queensland Consolidated ActsAncillary services are services provided by electricity entities or customers through the operation of their works or installations in ways that are not directly related to the generation and supply of electricity, but are to ensure the stable and secure operation of an electricity system, and its recovery from emergency situations.
Examples of ancillary services--
1 providing reserve to the system, including through interruptibility of load
2 operating generating and other plant to ensure the stable and secure operation of the system
3 maintaining an ability to restore supply to the system after total failure of supply