Power plants in Audubon County, Iowa

3 operating power plants in Audubon County, Iowa, with 485 MW of nameplate capacity, largest first. From EIA-860M, August 2026.

Plants

Nameplate capacity

485 MW

Net generation, 2025

1.47 TWh

Largest

Heartland Divide II

200 MW

Largest power plants in Audubon County

#	Plant	MW	2025 net generation, GWhGWh, 2025	Capacity factor	Operator
1	Heartland Divide IIWind	200	798	45.6%	Heartland Divide II
2	ExiraNatural gas	182	243	15.3%	Western Minnesota Mun Pwr Agny
3	Heartland Divide Wind Project, LLCWind	104	426	47.0%	Heartland Divide Wind Project, 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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