Power Plants in Cass County, Iowa

Cass County, Iowa has 6 power plants totaling 502 MW of nameplate capacity. Browse every plant below with fuel type, operator, and capacity.

Plants6operating sites
Capacity502 MWnameplate
Generation1.5M MWhannual
CO₂107metric tons/year
Wind 97%

Plant locations

All plants in this county

PlantCityFuelCapacityOperator
Rolling Hills Wind FarmMassenaWind484 MWMidamerican Energy Co
AtlanticAtlanticNatural Gas10.0 MWAtlantic Municipal Utilities
AnitaAnitaOil2.9 MWCity Of Anita - (Ia)
RosemanAnitaWind1.8 MWRoseman Energy, Llc
Green Energy MachineAnitaWind1.7 MWGreen Energy Machine, Llc
WiotaWiotaWind1.6 MWWiota Wind Energy, Llc #1

About power generation in Cass County

Cass County, Iowa has 6 power plants totaling 502 MW of nameplate capacity. Wind is the dominant fuel source at 97% of installed capacity, followed by Natural Gas (2%) and Oil (1%). The largest facility is Rolling Hills Wind Farm at 484 MW. Data comes from EIA Form 860, EIA Form 923, and EPA eGRID federal releases.

To find plants closer to a specific address in Cass County, use the address lookup — it shows every plant within a chosen radius along with distance, fuel type, and emissions.