Power plants in Franklin County, Iowa
5 operating power plants in Franklin County, Iowa, with 509 MW of nameplate capacity, largest first. From EIA-860M, August 2026.
Largest power plants in Franklin County
| # | Plant | MW | GWh, 2025 | Capacity factor |
|---|---|---|---|---|
| 1 | Whispering Willow NorthWind | 201 | 734 | 41.6% |
| 2 | Whispering Willow Wind Farm - EastWind | 200 | 405 | 23.1% |
| 3 | Franklin County Wind FarmWind | 99 | 271 | 31.2% |
| 4 | Franklin County SolarSolar | 7.0 | 13.2 | 21.5% |
| 5 | Hampton Substation Energy StorageBattery storage | 1.8 | −0.0 | – |
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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