Power plants in Osceola County, Iowa
5 operating power plants in Osceola County, Iowa, with 162 MW of nameplate capacity, largest first. From EIA-860M, August 2026.
Largest power plants in Osceola County
| # | Plant | MW | GWh, 2025 | Capacity factor |
|---|---|---|---|---|
| 1 | Osceola Windpower LLCWind | 98 | 394 | 45.8% |
| 2 | Osceola Windpower IIWind | 50 | 200 | 46.1% |
| 3 | Otter Creek Ethanol Poet - AshtonNatural gas | 7.5 | 44.8 | 68.2% |
| 4 | Sibley OneOil | 5.2 | 0.2 | 0.4% |
| 5 | Sibley No TwoOil | 1.1 | 0.0 | 0.4% |
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
More power plant lists for Iowa
Largest power plants in Iowa50 plants · 17,111 MWSolar farms in Iowa35 plants · 697 MWWind farms in Iowa123 plants · 13,405 MWBattery storage projects in Iowa6 projects · 110 MWNatural gas power plants in Iowa39 plants · 4,240 MWCoal power plants in Iowa9 plants · 5,228 MWHydroelectric power plants in Iowa4 plants · 183 MW