Summary of Electricity Activity in Johnson County, IA
Summary of Johnson County, IA Generation
Johnson County, IA is ranked #1,892 out of 2,165 U.S. counties nationwide and #61 out of 77 Iowa counties in terms of total annual net electricity generation.
| Annual Generation | 10.2 GWh |
|---|---|
| Annual Consumption | 6.2 M MMBtu |
| Last Update | Dec 2025 |
| 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
5.6 GWh
National Rank in Terms of solar Net Electricity Generation
#976 /1,247 U.S. Counties
State Rank in Terms of solar Net Electricity Generation
#11 /23 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 | #1892 / 2165 | 10.24 GWh | 6.22 M MMBtu |
| Solar | #11 / 23 | #976 / 1247 | 5.58 GWh | 19.61 k MMBtu |
| Natural Gas | #22 / 32 | #809 / 928 | 2.75 GWh | 4.29 M MMBtu |
| Other Biomass Solids | #4 / 4 | #12 / 13 | 722.16 MWh | 445.84 k MMBtu |
| Wood/Wood Waste Solids | #1 / 1 | #134 / 136 | 692.38 MWh | 1.12 M MMBtu |
| Bituminous Coal | #4 / 4 | #106 / 110 | 408.53 MWh | 347.86 k MMBtu |
| Distillate Fuel Oil | #28 / 53 | #545 / 729 | 83.00 MWh | 740 MMBtu |
Power Plants in Johnson County, IA
| Plant | Utility Name | Generation | Consumption | Fuel Types |
|---|---|---|---|---|
| Johnson County Hills Solar | MidAmerican Energy Co | 5.6 GWh | 19.6 k MMBtu | Solar |
| University of Iowa Main Power Plant | University of Iowa | 3.8 GWh | 6.2 M MMBtu | Natural Gas : 51.7% Other Biomass Solids : 19.1% Wood/Wood Waste Solids : 18.4% Bituminous Coal : 10.8% |
| Coralville GT | MidAmerican Energy Co | 800.0 MWh | 22.7 k MMBtu | Natural Gas |
| Farmers Electric Cooperative - Kalona | Farmers Electric Coop - (IA) | 83.0 MWh | 740 MMBtu | Distillate Fuel Oil |
| Oakdale Renewable Energy Plant | University of Iowa | 0.0 Wh | 549 MMBtu | No Information Available |
Electricity Generation for Neighboring Counties
| National Rank | County | Net Generation | # Power Plants |
|---|---|---|---|
| - | Benton County | -277.0 MWh | 1 |
| #1962 | Cedar County | 6.0 GWh | 4 |
| #2000 | Henry County | 4.3 GWh | 3 |
| #757 | Iowa County | 863.9 GWh | 3 |
| #604 | Linn County | 1.5 TWh | 24 |
| #290 | Louisa County | 4.7 TWh | 2 |
| #811 | Muscatine County | 751.1 GWh | 6 |
| #521 | Poweshiek County | 1.9 TWh | 10 |
| #42 | Rock Island County | 16.3 TWh | 7 |
| #1969 | Scott County | 5.7 GWh | 3 |
Electricity Generation for Cities Located in Johnson County, IA
| State Rank | City | Net Generation | # Power Plants |
|---|---|---|---|
| #131 | Coralville, IA | 800.0 MWh | 2 |
| #105 | Iowa City, IA | 9.4 GWh | 2 |