Power Plants in Marion County, Iowa

Marion County, Iowa has 5 power plants totaling 100 MW of nameplate capacity. Browse every plant below with fuel type, operator, and capacity.

Plants5operating sites
Capacity100 MWnameplate
Generation103.9k MWhannual
CO₂313metric tons/year
Hydroelectric 55%Oil 44%

Plant locations

All plants in this county

PlantCityFuelCapacityOperator
Red Rock Hydro PlantPellaHydroelectric55.2 MWWestern Minnesota Mun Pwr Agny
Pella PeakingPellaOil28.0 MWCity Of Pella - (Ia)
Knoxville IndustrialKnoxvilleOil16.0 MWMidamerican Energy Co
Knoxville Battery Energy StorageKnoxvilleOther Fossil1.1 MWMidamerican Energy Co
PellaPellaCoal— MWCity Of Pella - (Ia)

About power generation in Marion County

Marion County, Iowa has 5 power plants totaling 100 MW of nameplate capacity. Hydroelectric is the dominant fuel source at 55% of installed capacity, followed by Oil (44%) and Other Fossil (1%). The largest facility is Red Rock Hydro Plant at 55 MW. Data comes from EIA Form 860, EIA Form 923, and EPA eGRID federal releases.

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