Summary of Electricity Activity in Union County, IA
Summary of Union County, IA Generation
Union County, IA is ranked #722 out of 2,163 U.S. counties nationwide and #29 out of 77 Iowa counties in terms of total annual net electricity generation.
| Annual Generation | 974.3 GWh |
|---|---|
| Annual Consumption | 4.1 M MMBtu |
| Last Update | Nov 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
808.1 GWh
National Rank in Terms of wind Net Electricity Generation
#195 /517 U.S. Counties
State Rank in Terms of wind Net Electricity Generation
#22 /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 | #29 / 77 | #722 / 2163 | 974.26 GWh | 4.06 M MMBtu |
| Wind | #22 / 52 | #195 / 517 | 808.07 GWh | 3.02 M MMBtu |
| Solar | #5 / 23 | #457 / 1240 | 96.16 GWh | 340.54 k MMBtu |
| Natural Gas | #9 / 32 | #591 / 927 | 69.95 GWh | 697.11 k MMBtu |
| Distillate Fuel Oil | #29 / 53 | #546 / 728 | 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 | 808.1 GWh | 3.0 M MMBtu | Wind |
| Creston Solar (50 MW) | Interstate Power and Light Co | 96.2 GWh | 340.5 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 |
|---|---|---|---|
| #325 | Adair County | 4.0 TWh | 18 |
| #878 | Adams County | 629.8 GWh | 4 |
| #576 | Cass County | 1.6 TWh | 6 |
| #2105 | Dallas County | 739.0 MWh | 1 |
| #2134 | Decatur County | 86.0 MWh | 1 |
| #771 | Guthrie County | 819.2 GWh | 3 |
| #1157 | Madison County | 330.0 GWh | 2 |
| #2158 | Montgomery County | 7.0 MWh | 1 |
| #1156 | Taylor County | 330.4 GWh | 4 |
| #2114 | Warren County | 446.0 MWh | 1 |
* Net Generation data is based on the last 12 months since Nov 2025
Electricity Generation for Cities Located in Union County, IA
| State Rank | City | Net Generation | # Power Plants |
|---|---|---|---|
| #24 | Creston, IA | 974.3 GWh | 4 |
* Net Generation data is based on the last 12 months since Nov 2025