Power plants in Winneshiek County, Iowa

3 operating power plants in Winneshiek County, Iowa, with 6 MW of nameplate capacity, largest first. From EIA-860M, August 2026.

Plants

3

Nameplate capacity

6 MW

Net generation, 2025

4.63 GWh

Largest

Decorah Battery

3 MW

Largest power plants in Winneshiek County

#PlantMW2025 net generation, GWhGWh, 2025Capacity factorOperator
1Decorah BatteryBattery storage2.5−0.1–Interstate Power and Light Co
2Luther College Wind ProjectWind1.61.913.6%Luther College Wind Energy Project LLC
3DPC MadisonSolar1.52.821.3%SoCore Energy LLC

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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