Bath County Pumped Storage Station

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The pumped storage power plant Bath County (english Bath County Pumped Storage Station ) is a pump storage power plant in Bath County, in the north of the U.S. state of Virginia. The hydroelectric facility is located at the southeast end of the Eastern Continental Divide, which forms at this point the boundary between Virginia and West Virginia. The power plant consists of two reservoirs, which have a height difference of 384 m.

The pumped storage power plant Bath County initially had a generator power of 2772 MW. In 2004, the power was increased; the six generators now have 510 MW each and the pump 480 MW. The operator specifies the total power with 3,003 MW. The construction cost $ 1.6 billion, equivalent to $ 3.6 billion adjusted for inflation today. The six turbines are Francis turbines.

The ownership shares in the plant are 60% ​​with the operator Dominion generation and 40 % for Allegheny Power System. The plant went into operation in 1985 and is still all pumped storage power plants of the earth with the greatest power. It is - like all pumped storage power stations - the power balance between periods of low energy demand and periods of high energy demand.

During operation, the water level fluctuates in the upper basin (107 ha ) by 32 m and the lower basin (225 ha ) to 18 m. In generator mode flow 852 m³ / s of water through the pipes in pump mode 801 m³ / s

The dam of the lower reservoir is 41 m high and 732 m long, the upper 140 m high and 671 m long. The lower dam consists of 3.1 million cubic meters of fill material, the upper of 13.8 million cubic meters.

The natural inflows to the reservoirs are of Back Creek and the Little Back Creek.