Pumped Storage and Power System Operations

by Larry W. Ellis, Virginia Electric Power Co, Richmond, VA, USA,
J. D. Mitchell, Virginia Electric Power Co, Richmond, VA, USA,



Document Type: Proceeding Paper

Part of: Water Power '87

Abstract: The 2100 megawatt Bath County pumped storage power station began commercial operation in December 1985 as a jointly-owned project of Virginia Electric and Power Company (Virginia Power) and Allegheny Power System. The operation of this pumped storage generating station has influenced changes in other generating units' performance as well as changes in operational planning and other system operating activities. This paper highlights the changes which have occurred on the Virginia Power System with the addition of the pumped storage hydro station and discusses coordinated scheduling and operation in a joint ownership environment, daily planning and scheduling activities, and performance improvement areas. Operating data and operating experience are presented to illustrate changes in overall system operation which have occurred with the integration of pumped storage hydro, along with comments regarding the effect on maintenance scheduling, planning models and load management strategies.

Subject Headings: Power plants | Energy storage | Waste storage | Pumping stations | Electric power | Scheduling | Hydro power | North America | Virginia | United States

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