Summary of Electricity Activity in Union County, IA
Summary of Union County, IA Generation
Union County, IA is ranked #712 out of 2,164 U.S. counties nationwide and #28 out of 78 Iowa counties in terms of total annual net electricity generation.
| Annual Generation | 993.9 GWh |
|---|---|
| Annual Consumption | 4.0 M MMBtu |
| Last Update | Sep 2025 |
| 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
827.8 GWh
National Rank in Terms of wind Net Electricity Generation
#188 /519 U.S. Counties
State Rank in Terms of wind Net Electricity Generation
#21 /52 Iowa Counties
Monthly Net Generation for Union County, IA
Net Generation by Fuel Source
Net Generation by Fuel Source Breakdown
| State Rank | National Rank | Generation | Fuel Consumption | |
|---|---|---|---|---|
| All | #28 / 78 | #712 / 2164 | 993.91 GWh | 4.04 M MMBtu |
| Wind | #21 / 52 | #188 / 519 | 827.75 GWh | 3.02 M MMBtu |
| Solar | #5 / 23 | #449 / 1233 | 96.12 GWh | 327.98 k MMBtu |
| Natural Gas | #9 / 32 | #591 / 929 | 69.95 GWh | 697.11 k MMBtu |
| Distillate Fuel Oil | #28 / 54 | #550 / 737 | 79.65 MWh | 1.81 k MMBtu |
Power Plants in Union County, IA
| Plant | Utility Name | Generation | Consumption | Fuel Types |
|---|---|---|---|---|
| Southern Hills Wind Farm | MidAmerican Energy Co | 827.8 GWh | 3.0 M MMBtu | Wind |
| Creston Solar (50 MW) | Interstate Power and Light Co | 96.1 GWh | 328.0 k MMBtu | Solar |
| Summit Lake | Central Iowa Power Cooperative | 70.0 GWh | 698.9 k MMBtu | Natural Gas : 99.9% |
| Creston School Customer Hosted Solar | Interstate Power and Light Co | 0.0 Wh | 0 MMBtu | No Information Available |
Electricity Generation for Neighboring Counties
| National Rank | County | Net Generation | # Power Plants |
|---|---|---|---|
| #324 | Adair County | 4.0 TWh | 18 |
| #872 | Adams County | 632.6 GWh | 4 |
| #567 | Cass County | 1.6 TWh | 6 |
| #2102 | Dallas County | 739.0 MWh | 1 |
| #2132 | Decatur County | 86.0 MWh | 1 |
| #766 | Guthrie County | 825.8 GWh | 3 |
| #1151 | Madison County | 330.0 GWh | 2 |
| #2159 | Montgomery County | 7.0 MWh | 1 |
| #1155 | Taylor County | 323.2 GWh | 4 |
| #2112 | Warren County | 446.0 MWh | 1 |
* Net Generation data is based on the last 12 months since Sep 2025
Electricity Generation for Cities Located in Union County, IA
| State Rank | City | Net Generation | # Power Plants |
|---|---|---|---|
| #23 | Creston, IA | 993.9 GWh | 4 |
* Net Generation data is based on the last 12 months since Sep 2025