Cooper
Cooper, nuclear power plant in United States, operates one boiling water reactor with 769 MW net installed capacity and has been in service since 1974.
Unit Cooper has been operating for 52 years, since 1974. Its 769 MW net are enough to supply about 2,420,000 households.
- Country
- United States
- Units
- 1
- Technology
- BWR
- Net capacity
- 769 MWe
- First grid connection
- 1974
- Operator
- Entergy Nuclear Operations
- Owner
- Nebraska Public Power District
- Status
- Operating
See also: alerts for this plant · every plant in United States · Nuclear power plants in Nebraska · Vendor: General Electric · every BWR reactor · how a BWR works

Units
| Unit | Type | Model | Status | MWe | MWt | Construction start | Grid connection | Closure | Licence until | Load factor |
|---|---|---|---|---|---|---|---|---|---|---|
| Cooper | Boiling water (BWR) | GE BWR/4, Mark I containment (BWR-4 (Mark 1)) | Operating | 769 | 2,419 | Jun 1, 1968 | May 10, 1974 | — | Jan 18, 2034 | 90.2 % (2024) |
Data: IAEA PRIS · Wikipedia · updated on Sep 17, 2026
Cooper, a 769 MWe BWR (GE BWR/4, Mark I containment (BWR-4 (Mark 1))), started construction in 1968, was connected to the grid in 1974 and is still operating, with a 90.2% load factor in 2024.
Operator: Entergy Nuclear Operations.
Owner: Nebraska Public Power District.