United States · 42.101, -91.778Duane Arnold
Duane Arnold, nuclear power plant in United States, operated one boiling water reactor between 1975 and 2020 and is now shut down.
- Country
- United States
- Units
- 2
- Technology
- BWR
- Net capacity
- —
- First grid connection
- 1975
- Operator
- Nextera Energy Resources
- Owner
- Nextera Energy Resources LLC
- Status
- Planned
See also: alerts for this plant · every plant in United States · Nuclear power plants in Iowa · Vendor: General Electric · every BWR reactor · how a BWR works
Operating capacity
0 MWe
net electrical
Units
2
0 operating
First start-up
1975
Units
| Unit | Type | Model | Status | MWe | MWt | Construction start | Grid connection | Closure | Load factor |
|---|---|---|---|---|---|---|---|---|---|
| Duane Arnold 1 | Boiling water (BWR) | GE BWR/4, Mark I containment (BWR-4 (Mark 1)) | Shut down | 601 | 1,912 | May 22, 1970 | May 1974 | Oct 2020 | — |
| Duane Arnold 1 Repower | Boiling water (BWR) | GE BWR/4, Mark I containment (BWR-4 (Mark 1)) | Planned | 601 | — | — | 2029 (planned) | — | — |
Data: IAEA PRIS · Global Energy Monitor · updated on Aug 1, 2026
Duane Arnold 1, a 601 MWe BWR (GE BWR/4, Mark I containment (BWR-4 (Mark 1))), started construction in 1970 and operated from 1974 to 2020.
Duane Arnold 1 Repower, a 601 MWe BWR (GE BWR/4, Mark I containment (BWR-4 (Mark 1))), is planned, with grid connection expected in 2029.
Operator: Nextera Energy Resources.
Owner: Nextera Energy Resources LLC (Duane Arnold 1, Duane Arnold 1 Repower).