A set of critical physics-based services required to maintain the FrequencyThe number of cycles occurring in each second in an Alternat... Click for more of a Power SystemA highly complex cyber-physical and transactional System tha... Click for more 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... Click for more from Generation PlantAn Energy Resource primarily designed for production of Elec... Click for more and other Energy ResourcesA universal term for all technologies that provide one or se... Click for more through service-specific regulated markets.
The term Ancillary ServicesA set of physics-based support functions that are essential ... Click for more may be used with reference to or as a synonym of ESS.