ASLevel 1

Ancillary Service Types

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AS.01Frequency Regulation

AS.02Spinning Reserve

AS.03Non-Spinning Reserve

AS.04Voltage Support

AS.05Black Start Capability

AS.06Ramping Service

AS.07Reactive Power Support

AS.08Load Following

AS.09Operating Reserve

AS.10Inertia Service

AS.11Fast Frequency Response

AS.12Primary Frequency Response

AS.13Secondary Frequency Response

Cross-system equivalences1

NAICS 2022

5419Other Professional, Scientific, and Technical Servicesbroad

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