Summary of Electricity Activity in Marion County, IA
Summary of Marion County, IA Generation
Marion County, IA is ranked #1,303 out of 2,167 U.S. counties nationwide and #53 out of 77 Iowa counties in terms of total annual net electricity generation.
| Annual Generation | 202.3 GWh |
|---|---|
| Annual Consumption | 693.8 k MMBtu |
| Last Update | Feb 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
202.1 GWh
National Rank in Terms of hydroelectric Net Electricity Generation
#176 /536 U.S. Counties
State Rank in Terms of hydroelectric Net Electricity Generation
#2 /3 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 | #53 / 77 | #1303 / 2167 | 202.29 GWh | 693.77 k MMBtu |
| Water | #2 / 3 | #176 / 536 | 202.05 GWh | 690.54 k MMBtu |
| Distillate Fuel Oil | #16 / 53 | #442 / 736 | 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 | 202.1 GWh | 690.5 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 |
|---|---|---|---|
| #1763 | Appanoose County | 26.6 GWh | 2 |
| #2090 | Lucas County | 1.5 GWh | 1 |
| #1159 | Madison County | 330.0 GWh | 2 |
| #918 | Mahaska County | 590.2 GWh | 1 |
| #323 | Marshall County | 4.0 TWh | 7 |
| #1465 | Monroe County | 110.5 GWh | 1 |
| #465 | Polk County | 2.3 TWh | 9 |
| #525 | Poweshiek County | 1.9 TWh | 10 |
| #405 | Wapello County | 2.9 TWh | 2 |
| #2118 | 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 |
| #68 | Pella, IA | 202.3 GWh | 3 |