Summary of Electricity Activity in Johnson County, IA
Summary of Johnson County, IA Generation
Johnson County, IA is ranked #1,947 out of 2,193 U.S. counties nationwide and #61 out of 77 Iowa counties in terms of total annual net electricity generation.
| Annual Generation | 8.3 GWh |
|---|---|
| Annual Consumption | 2.9 M MMBtu |
| Last Update | May 2026 |
| Power Plants | 5 |
| Companies on File | 3 |
Map of Top Producing Plants in Johnson County, IA
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Annual Net Generation From solar power
5.7 GWh
National Rank in Terms of solar Net Electricity Generation
#1,048 /1,317 U.S. Counties
State Rank in Terms of solar Net Electricity Generation
#11 /24 Iowa Counties
Monthly Net Generation for Johnson County, IA
Monthly Plant Fuel Consumption for Johnson County, IA
Net Generation by Fuel Source
Net Generation by Fuel Source Breakdown
| State Rank | National Rank | Generation | Fuel Consumption | |
|---|---|---|---|---|
| All | #61 / 77 | #1947 / 2193 | 8.33 GWh | 2.85 M MMBtu |
| Solar | #11 / 24 | #1048 / 1317 | 5.66 GWh | 19.90 k MMBtu |
| Natural Gas | #22 / 32 | #809 / 927 | 2.50 GWh | 2.24 M MMBtu |
| Distillate Fuel Oil | #22 / 54 | #499 / 741 | 174.00 MWh | 1.46 k MMBtu |
Power Plants in Johnson County, IA
| Plant | Utility Name | Generation | Consumption | Fuel Types |
|---|---|---|---|---|
| Johnson County Hills Solar | MidAmerican Energy Co | 5.7 GWh | 19.9 k MMBtu | Solar |
| Coralville GT | MidAmerican Energy Co | 2.5 GWh | 52.2 k MMBtu | Natural Gas |
| Farmers Electric Cooperative - Kalona | Farmers Electric Coop - (IA) | 174.0 MWh | 1.5 k MMBtu | Distillate Fuel Oil |
| Oakdale Renewable Energy Plant | University of Iowa | 0.0 Wh | 662 MMBtu | No Information Available |
| University of Iowa Main Power Plant | University of Iowa | 0.0 Wh | 2.8 M MMBtu | No Information Available |
Electricity Generation for Neighboring Counties
| National Rank | County | Net Generation | # Power Plants |
|---|---|---|---|
| - | Benton County | -54.0 MWh | 1 |
| #2140 | Cedar County | 295.4 MWh | 4 |
| #1998 | Henry County | 5.8 GWh | 3 |
| #758 | Iowa County | 856.1 GWh | 3 |
| #607 | Linn County | 1.5 TWh | 24 |
| #290 | Louisa County | 4.6 TWh | 2 |
| #1844 | Mercer County | 16.0 GWh | 3 |
| #802 | Muscatine County | 768.5 GWh | 6 |
| #526 | Poweshiek County | 1.9 TWh | 10 |
| #1980 | Scott County | 6.4 GWh | 3 |
Electricity Generation for Cities Located in Johnson County, IA
| State Rank | City | Net Generation | # Power Plants |
|---|---|---|---|
| #122 | Coralville, IA | 2.5 GWh | 2 |
| #108 | Iowa City, IA | 5.7 GWh | 2 |