Summary of Electricity Activity in Marion County, IA
Summary of Marion County, IA Generation
Marion County, IA is ranked #1,301 out of 2,193 U.S. counties nationwide and #55 out of 77 Iowa counties in terms of total annual net electricity generation.
| Annual Generation | 213.9 GWh |
|---|---|
| Annual Consumption | 815.8 k MMBtu |
| Last Update | May 2026 |
| Power Plants | 5 |
| Companies on File | 3 |
Map of Top Producing Plants in Marion County, IA
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Annual Net Generation From hydroelectric power
213.0 GWh
National Rank in Terms of hydroelectric Net Electricity Generation
#166 /536 U.S. Counties
State Rank in Terms of hydroelectric Net Electricity Generation
#2 /4 Iowa Counties
Monthly Net Generation for Marion County, IA
Monthly Plant Fuel Consumption for Marion County, IA
Net Generation by Fuel Source
Net Generation by Fuel Source Breakdown
| State Rank | National Rank | Generation | Fuel Consumption | |
|---|---|---|---|---|
| All | #55 / 77 | #1301 / 2193 | 213.94 GWh | 815.84 k MMBtu |
| Water | #2 / 4 | #166 / 536 | 212.99 GWh | 805.41 k MMBtu |
| Distillate Fuel Oil | #9 / 54 | #342 / 741 | 977.00 MWh | 10.42 k MMBtu |
Power Plants in Marion County, IA
| Plant | Utility Name | Generation | Consumption | Fuel Types |
|---|---|---|---|---|
| Red Rock Hydro Plant | Western Minnesota Mun Pwr Agny | 213.0 GWh | 805.4 k MMBtu | Water |
| Pella Peaking | City of Pella - (IA) | 752.0 MWh | 8.1 k MMBtu | Distillate Fuel Oil |
| Knoxville Industrial | MidAmerican Energy Co | 225.0 MWh | 2.3 k MMBtu | Distillate Fuel Oil |
| Knoxville Battery Energy Storage | MidAmerican Energy Co | -25.0 MWh | 0 MMBtu | No Information Available |
| Pella | City of Pella - (IA) | 0.0 Wh | 0 MMBtu | No Information Available |
Electricity Generation for Neighboring Counties
| National Rank | County | Net Generation | # Power Plants |
|---|---|---|---|
| #1772 | Appanoose County | 26.0 GWh | 2 |
| #2023 | Lucas County | 4.3 GWh | 1 |
| #1261 | Madison County | 248.7 GWh | 2 |
| #893 | Mahaska County | 611.0 GWh | 1 |
| #313 | Marshall County | 4.2 TWh | 7 |
| #1482 | Monroe County | 112.1 GWh | 1 |
| #499 | Polk County | 2.0 TWh | 9 |
| #526 | Poweshiek County | 1.9 TWh | 10 |
| #367 | Wapello County | 3.5 TWh | 2 |
| - | Warren County | -321.0 MWh | 1 |
Electricity Generation for Cities Located in Marion County, IA
| State Rank | City | Net Generation | # Power Plants |
|---|---|---|---|
| #137 | Knoxville, IA | 200.0 MWh | 2 |
| #68 | Pella, IA | 213.7 GWh | 3 |