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  3. Iowa
  4. Johnson County, IA

Summary of Electricity Activity in Johnson County, IA

Summary of Johnson County, IA Generation

Johnson County, IA is ranked #1,845 out of 2,116 U.S. counties nationwide and #59 out of 75 Iowa counties in terms of total annual net electricity generation.

Annual Generation 10.8 GWh
Annual Consumption 3.9 M MMBtu
Last UpdateJan 2025
Power Plants5
Companies on File3

Map of Top Producing Plants in Johnson County, IA

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Overall National Rank

#1,845 /2,116 U.S. Counties

In Net Annual Generation

Overall State Rank

#59 /75 Iowa Counties

In Net Annual Generation

Overall Annual Net Geneneration

10.8 GWh

Total Annual Fuel Consumption

3.9 M MMBtu

Electric Companies in Johnson County, IA

3

Johnson County, IA
Power Plants

5

Annual Net Generation From solar power

5.9 GWh

National Rank in Terms of solar Net Electricity Generation

#865 /1,128 U.S. Counties

State Rank in Terms of solar Net Electricity Generation

#10 /18 Iowa Counties

Monthly Net Generation for Johnson County, IA

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Net Generation by Fuel Source

Solar
Natural Gas
Other Biomass Solids
Wood/Wood Waste Solids
Bituminous Coal
Distillate Fuel Oil
55.0%27.6%6.7%6.4%3.8%

Net Generation by Fuel Source Breakdown

State RankNational RankGenerationFuel Consumption
All#59 / 75#1845 / 211610.77 GWh3.95 M MMBtu
Solar#10 / 18#865 / 11285.92 GWh20.69 k MMBtu
Natural Gas#20 / 32#803 / 9272.98 GWh2.54 M MMBtu
Other Biomass Solids#3 / 3#10 / 11722.16 MWh404.58 k MMBtu
Wood/Wood Waste Solids#1 / 1#141 / 143692.38 MWh736.14 k MMBtu
Bituminous Coal#5 / 5#114 / 115408.53 MWh246.74 k MMBtu
Distillate Fuel Oil#32 / 52#565 / 73053.00 MWh486 MMBtu

* Data is based on 12 months since Sep 2024.

Power Plants in Johnson County, IA

PlantUtility NameGenerationConsumptionFuel Types
Johnson County Hills SolarMidAmerican Energy Co5.9 GWh20.7 k MMBtu Solar
University of Iowa Main Power PlantUniversity of Iowa3.8 GWh3.9 M MMBtu Natural Gas : 51.7% Other Biomass Solids : 19.1% Wood/Wood Waste Solids : 18.4% Bituminous Coal : 10.8%
Coralville GTMidAmerican Energy Co1.0 GWh31.1 k MMBtu Natural Gas
Farmers Electric Cooperative - KalonaFarmers Electric Coop - (IA)53.0 MWh486 MMBtu Distillate Fuel Oil
Oakdale Renewable Energy PlantUniversity of Iowa0.0 Wh36.8 k MMBtu No Information Available
* Data is based on the last 12 months since Jan 2025.
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Electricity Generation for Neighboring Counties

National RankCountyNet Generation# Power Plants
#Benton County-380.0 MWh1
#1883Cedar County7.9 GWh4
#1939Henry County4.7 GWh3
#728Iowa County868.9 GWh3
#636Linn County1.2 TWh23
#407Louisa County2.9 TWh2
#902Muscatine County569.2 GWh6
#501Poweshiek County2.0 TWh9
#39Rock Island County16.3 TWh7
#1911Scott County6.3 GWh3

* Net Generation data is based on the last 12 months since Jan 2025

Electricity Generation for Cities Located in Johnson County, IA

State RankCityNet Generation# Power Plants
#126Coralville, IA1.0 GWh2
#102Iowa City, IA9.7 GWh2

* Net Generation data is based on the last 12 months since Jan 2025