Summary of Electricity Activity in Union County, IA
Summary of Union County, IA Generation
Union County, IA is ranked #715 out of 2,192 U.S. counties nationwide and #26 out of 77 Iowa counties in terms of total annual net electricity generation.
| Annual Generation | 1.0 TWh |
|---|---|
| Annual Consumption | 4.3 M MMBtu |
| Last Update | Jun 2026 |
| Power Plants | 4 |
| Companies on File | 3 |
Map of Top Producing Plants in Union County, IA
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Annual Net Generation From wind power
812.8 GWh
National Rank in Terms of wind Net Electricity Generation
#204 /518 U.S. Counties
State Rank in Terms of wind Net Electricity Generation
#23 /51 Iowa Counties
Monthly Net Generation for Union County, IA
Monthly Plant Fuel Consumption for Union County, IA
Net Generation by Fuel Source
Net Generation by Fuel Source Breakdown
| State Rank | National Rank | Generation | Fuel Consumption | |
|---|---|---|---|---|
| All | #26 / 77 | #715 / 2192 | 1.02 TWh | 4.35 M MMBtu |
| Wind | #23 / 51 | #204 / 518 | 812.82 GWh | 2.95 M MMBtu |
| Natural Gas | #9 / 32 | #542 / 928 | 109.10 GWh | 1.02 M MMBtu |
| Solar | #5 / 24 | #506 / 1318 | 97.24 GWh | 370.74 k MMBtu |
| Distillate Fuel Oil | #20 / 54 | #479 / 742 | 201.13 MWh | 4.51 k MMBtu |
Power Plants in Union County, IA
| Plant | Utility Name | Generation | Consumption | Fuel Types |
|---|---|---|---|---|
| Southern Hills Wind Farm | MidAmerican Energy Co | 812.8 GWh | 2.9 M MMBtu | Wind |
| Summit Lake | Central Iowa Power Cooperative | 109.3 GWh | 1.0 M MMBtu | Natural Gas : 99.8% |
| Creston Solar (50 MW) | Interstate Power and Light Co | 95.8 GWh | 365.9 k MMBtu | Solar |
| Creston School Customer Hosted Solar | Interstate Power and Light Co | 1.4 GWh | 4.8 k MMBtu | Solar |
Electricity Generation for Neighboring Counties
| National Rank | County | Net Generation | # Power Plants |
|---|---|---|---|
| #330 | Adair County | 4.0 TWh | 18 |
| #876 | Adams County | 640.7 GWh | 4 |
| #575 | Cass County | 1.6 TWh | 6 |
| #2104 | Dallas County | 1.9 GWh | 1 |
| #2169 | Decatur County | 45.0 MWh | 1 |
| #775 | Guthrie County | 825.0 GWh | 3 |
| #1263 | Madison County | 248.7 GWh | 2 |
| #2180 | Montgomery County | 22.0 MWh | 1 |
| #1147 | Taylor County | 355.9 GWh | 4 |
| - | Warren County | -321.0 MWh | 2 |
Electricity Generation for Cities Located in Union County, IA
| State Rank | City | Net Generation | # Power Plants |
|---|---|---|---|
| #23 | Creston, IA | 1.0 TWh | 4 |