Power plants in Jackson County, Iowa
4 operating power plants in Jackson County, Iowa, with 36 MW of nameplate capacity, largest first. From EIA-860M, August 2026.
Largest power plants in Jackson County
| # | Plant | MW | GWh, 2025 | Capacity factor |
|---|---|---|---|---|
| 1 | Maquoketa 1Natural gas and oil | 23 | −0.2 | – |
| 2 | Maquoketa 2Oil | 8.0 | −0.1 | – |
| 3 | Preston (IA)Natural gas and oil | 3.6 | 0.0 | 0.0% |
| 4 | Iowa Hydro LLCHydro | 1.2 | 5.8 | 55.3% |
MW is the nameplate capacity of operating generators and batteries. Source: EIA-860M August 2026, published 2026-09-24, and EIA-923 2025. Page updated 2026-10-04. Data sources
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