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NUCLEAR POWER PLANTSDuane Arnold Energy Center
Duane Arnold Energy Center is a 680 MW retired nuclear power plant in Linn County, Iowa, operated by NextEra Energy Duane Arnold LLC.
Plant statusClosed
- Planning (completed)
- Consented (completed)
- Construction (completed)
- OperatingFeb 1975 (completed)
- ClosedNov 2020 (current stage)
Generators
Each generating unit EIA lists at this plant.
| Unit | Technology | Capacity | Status |
|---|---|---|---|
| 1 | Nuclear | 680 MW | Retired |
Plant details
- Operator
- NextEra Energy Duane Arnold LLC
- Location
- Linn County, Iowa
- Balancing authority
- MISO
- Sector
- IPP Non-CHP
- Capacity
- Retired: 680 MW
- First unit online
- Feb 1975
- EIA plant ID
- 1060
Location
42.1011, -91.7781
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Source: U.S. Energy Information Administration, Form EIA-860M, September 2026. Planned dates are targets reported by the developer and often change. Report a problem