Bath County Pumped Storage Station
- Bath County Pumped Storage Station
The Bath County Pumped Storage Station is a pumped storage hydroelectric power plant. Located in Bath County, Virginia, the station consists of two reservoirs separated by 1100 feet in elevation.
How it Works
Water is released from the upper reservoir during periods of high demand and is used to generate electricity. What makes this different from other hydroelectric dams is that during times of low demand, power is taken from coal, nuclear, and other power plants and is used to pump water from the lower to the upper reservoir. Although this plant uses more power than it generates, it allows these other plants to operate at close to peak efficiency for an overall cost savings. Back Creek and Little Back Creek, the water sources used to create the reservoirs, have a relatively small flow rate. However, since water is pumped between the reservoirs equally, the only water taken from these creeks now that the reservoirs are full is to replace the water lost to evaporation. During operation, the water level fluctuates by over 105 feet in the upper reservoir and 60 feet in the wider lower reservoir.
External links
* [http://www.dom.com/ Dominion Power]
* [http://www.alleghenyenergysupply.com/ Allegheny Energy Supply]
* [http://www.dom.com/about/stations/hydro/bath.jsp Bath County Pumped Storage Station Home Page]
See also
* Pumped-storage hydroelectricity
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