Power plants in Hamilton County, Iowa

4 operating power plants in Hamilton County, Iowa, with 452 MW of nameplate capacity, largest first. From EIA-860M, August 2026.

Plants

4

Nameplate capacity

452 MW

Net generation, 2025

1.43 TWh

Largest power plants in Hamilton County

#PlantMW2025 net generation, GWhGWh, 2025Capacity factorOperator
1Great Pathfinder WindWind22481041.2%Great Pathfinder Wind
2CenturyWind20160934.5%MidAmerican Energy Co
3Webster CityOil210.40.2%City of Webster City - (IA)
4POET Biorefining - JewellNatural gas5.011.225.6%POET Biorefining - Jewell

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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