Cooper Nuclear Station
| Cooper Nuclear Station | |
|---|---|
| The reactor complex on June 20, 2011 during the 2011 Missouri River Floods | |
| Country | United States | 
| Location | Nemaha County, near Brownville, Nebraska | 
| Coordinates | 40°21′43″N 95°38′29″W / 40.36194°N 95.64139°W | 
| Status | Operational | 
| Construction began | June 1, 1968 | 
| Commission date | July 1, 1974 | 
| Construction cost | $1.152 billion (2007 USD) | 
| Owner | Nebraska Public Power District | 
| Operator | Nebraska Public Power District | 
| Nuclear power station | |
| Reactor type | BWR | 
| Reactor supplier | General Electric | 
| Cooling source | Missouri River | 
| Thermal capacity | 1 × 2419 MWth | 
| Power generation | |
| Units operational | 1 × 769 MW | 
| Make and model | BWR-4 (Mark 1) | 
| Nameplate capacity | 835 MW | 
| Capacity factor | 94% (2021) 75.30% (lifetime) | 
| Annual net output | 6880 GWh (2021) | 
| External links | |
| Website | Cooper Nuclear Station | 
| Commons | Related 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.