Seneca Pumped Storage Generating Station

Seneca Pumped Storage
Generating Station
Location of Seneca Pumped Storage
Generating Station in Pennsylvania
Country United States
Location Mead Township, Warren County, Pennsylvania
Coordinates 41°50′20.58″N 79°0′13.45″W / 41.8390500°N 79.0037361°W / 41.8390500; -79.0037361Coordinates: 41°50′20.58″N 79°0′13.45″W / 41.8390500°N 79.0037361°W / 41.8390500; -79.0037361
Status Operational
Commission date 1970
Owner(s) LS Power
Power generation
Nameplate capacity 435 MW
Adjacent to Kinzua Dam in the Allegheny National Forest

The Seneca Pumped Storage Generating Station is a hydroelectric power plant using pumped storage of water to generate electric power. It is located near Warren, Pennsylvania in Warren County.

Seneca Station is colocated with the Kinzua Dam, near Warren, Pennsylvania. The dam was built by the United States Army Corps of Engineers to regulate the Allegheny River as part of a larger flood control project, and, as a secondary role, to generate hydroelectric power. It created the Allegheny Reservoir, a lake that stretches 25 miles (40 km) upriver, nearly to Salamanca, New York within the Allegany Reservation of the Seneca Nation of New York. The station generates "up to 450 megawatts of electricity every year for the Pittsburgh area."[1] It has generated hundreds of millions of dollars in profits for its operators since opening in 1970.[1]

The Seneca Pumped Storage Generating Station reservoir. Kinzua Dam on the Allegheny River can be seen at lower right. View is downriver to the west.

The power plant, rated at 451 MW, was built by the Pennsylvania Electric Company and Cleveland Electric Illuminating Company. It began commercial operation in 1970. Through business mergers and acquisitions, the plant became owned by FirstEnergy, an operator of several base load (nuclear and coal-fired) power plants. Seneca was among 11 hydroelectric power stations that FirstEnergy agreed in 2013 to sell to LS Power of New York City.[2]

Pumped storage plants function similarly to a storage battery; they absorb excess power generated by such plants in off-peak hours, such as nighttime, using it to pump water into a reservoir. Later, when demand exceeds the base load, the flow of water from the reservoir generates additional electrical power to meet peak load demands.

References

  1. 1 2 Daniel Robison (WBFO), "Seneca Nation fights for control of Kinzua Dam", Innovation Trail, 18 May 2011
  2. ↑
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