Summary of Electricity Activity in Marion County, IA
Summary of Marion County, IA Generation
Marion County, IA is ranked #1,343 out of 2,159 U.S. counties nationwide and #54 out of 77 Iowa counties in terms of total annual net electricity generation.
| Annual Generation | 170.6 GWh |
|---|---|
| Annual Consumption | 584.4 k MMBtu |
| Last Update | Oct 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
170.3 GWh
National Rank in Terms of hydroelectric Net Electricity Generation
#196 /541 U.S. Counties
State Rank in Terms of hydroelectric Net Electricity Generation
#2 /4 Iowa Counties
Monthly Net Generation 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 | #1343 / 2159 | 170.56 GWh | 584.35 k MMBtu |
| Water | #2 / 4 | #196 / 541 | 170.32 GWh | 581.13 k MMBtu |
| Distillate Fuel Oil | #16 / 53 | #437 / 731 | 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 | 170.3 GWh | 581.1 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 |
|---|---|---|---|
| #1749 | Appanoose County | 26.6 GWh | 2 |
| #2079 | Lucas County | 1.5 GWh | 1 |
| #1151 | Madison County | 330.0 GWh | 2 |
| #911 | Mahaska County | 586.6 GWh | 1 |
| #299 | Marshall County | 4.5 TWh | 7 |
| #1459 | Monroe County | 110.5 GWh | 1 |
| #468 | Polk County | 2.3 TWh | 9 |
| #522 | Poweshiek County | 1.9 TWh | 10 |
| #415 | Wapello County | 2.9 TWh | 2 |
| #2109 | Warren County | 446.0 MWh | 1 |
* Net Generation data is based on the last 12 months since Oct 2025
Electricity Generation for Cities Located in Marion County, IA
| State Rank | City | Net Generation | # Power Plants |
|---|---|---|---|
| #158 | Knoxville, IA | 14.0 MWh | 2 |
| #71 | Pella, IA | 170.5 GWh | 3 |
* Net Generation data is based on the last 12 months since Oct 2025