A set of critical physics-based services required to maintain the FrequencyThe number of cycles occurring in each second in an Alternat... of a Power SystemA critical societal System that, in the case of GW-scale gri... within acceptable limits and respond to unexpected disturbances or events. These services are typically procured by the System OperatorThe is responsible for maintaining the System Security and R... from Generation PlantAn Energy Resource primarily designed for production of Elec... and other Energy ResourcesA universal term for all technologies that provide one or se... through service-specific regulated markets.
The term Ancillary ServicesA set of physics-based support functions that are essential ... may be used with reference to or as a synonym of ESS.