Summary of Electricity Activity in Marion County, IA
Summary of Marion County, IA Generation
Marion County, IA is ranked #1,330 out of 2,165 U.S. counties nationwide and #54 out of 77 Iowa counties in terms of total annual net electricity generation.
| Annual Generation | 179.5 GWh |
|---|---|
| Annual Consumption | 630.9 k MMBtu |
| Last Update | Dec 2025 |
| 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
179.3 GWh
National Rank in Terms of hydroelectric Net Electricity Generation
#190 /538 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 | #54 / 77 | #1330 / 2165 | 179.51 GWh | 630.92 k MMBtu |
| Water | #2 / 4 | #190 / 538 | 179.27 GWh | 627.70 k MMBtu |
| Distillate Fuel Oil | #16 / 53 | #435 / 729 | 266.00 MWh | 3.23 k MMBtu |
Power Plants in Marion County, IA
| Plant | Utility Name | Generation | Consumption | Fuel Types |
|---|---|---|---|---|
| Red Rock Hydro Plant | Western Minnesota Mun Pwr Agny | 179.3 GWh | 627.7 k MMBtu | Water |
| Pella Peaking | City of Pella - (IA) | 227.0 MWh | 2.8 k MMBtu | Distillate Fuel Oil |
| Knoxville Industrial | MidAmerican Energy Co | 39.0 MWh | 470 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 |
|---|---|---|---|
| #1758 | Appanoose County | 26.6 GWh | 2 |
| #2087 | Lucas County | 1.5 GWh | 1 |
| #1161 | Madison County | 330.0 GWh | 2 |
| #908 | Mahaska County | 591.8 GWh | 1 |
| #315 | Marshall County | 4.1 TWh | 7 |
| #1463 | Monroe County | 110.5 GWh | 1 |
| #470 | Polk County | 2.3 TWh | 9 |
| #521 | Poweshiek County | 1.9 TWh | 10 |
| #417 | Wapello County | 2.8 TWh | 2 |
| #2116 | Warren County | 446.0 MWh | 1 |
Electricity Generation for Cities Located in Marion County, IA
| State Rank | City | Net Generation | # Power Plants |
|---|---|---|---|
| #159 | Knoxville, IA | 14.0 MWh | 2 |
| #69 | Pella, IA | 179.5 GWh | 3 |