Cooper Nuclear Station

Cooper Nuclear Station
The reactor complex on June 20, 2011 during the 2011 Missouri River Floods
CountryUnited States
LocationNemaha County, near Brownville, Nebraska
Coordinates40°21′43″N 95°38′29″W / 40.36194°N 95.64139°W / 40.36194; -95.64139
StatusOperational
Construction beganJune 1, 1968
Commission dateJuly 1, 1974
Construction cost$1.152 billion (2007 USD)
OwnerNebraska Public Power District
OperatorNebraska Public Power District
Nuclear power station
Reactor typeBWR
Reactor supplierGeneral Electric
Cooling sourceMissouri River
Thermal capacity1 × 2419 MWth
Power generation
Units operational1 × 769 MW
Make and modelBWR-4 (Mark 1)
Nameplate capacity835 MW
Capacity factor94% (2021)
75.30% (lifetime)
Annual net output6880 GWh (2021)
External links
WebsiteCooper Nuclear Station
CommonsRelated media on Commons

Cooper Nuclear Station (CNS) is a boiling water reactor (BWR) type nuclear power plant located on a 1,251-acre (506 ha) site near Brownville, Nebraska between Missouri River mile markers 532.9 and 532.5, on Nebraska's border with Missouri. It is the largest single-unit electrical generator in Nebraska.