OATT Ancillary Services - GDS Associates, Inc

Transmission dependent utilities (TDUs) have to sort through a myriad of ancillary service schedules that are contained within the open access transmission tariffs (OATT) of their electric transmission service providers. What are these “ancillary” services? Which ones need to be purchased? What is the basis for the charges under the various ancillary service schedules? For

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OATT Ancillary Services - GDS Associates, Inc

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