Checked
Union County, IL Energy
Electric utilities, power plants and charging stations in Union County, Illinois.
- Illinois home electricity
- 19.22¢/kWh
- July 2026
- Regular gas, region
- $4.15/gal
- Midwest (PADD 2)
- Electric utilities
- 3
- Serving Union County
Electric utilities serving Union County
As reported to EIA for 2025. A utility may serve only part of the county. Customers and prices are for its whole Illinois service area
Swipe the table sideways to see more columns.
| Utility | Customers in state | Home price | Home bill |
|---|---|---|---|
| Ameren Illinois CompanyInvestor Owned | 1,229,940 | 16.70¢/kWh | $148/mo |
| Egyptian Electric Coop AssnCooperative | 15,462 | 16.21¢/kWh | $196/mo |
| Southern Illinois Elec CoopCooperative | 11,216 | Not reported | Not reported |
Alternative fuel stations
| Fuel | Stations |
|---|---|
| Biodiesel (B20 and above) | 1 |
Power plants in Union County
2.3 MW of operating capacity
Swipe the table sideways to see more columns.
| Plant | Fuel | Capacity |
|---|---|---|
| Wild Cat Solar 22 LLC | Solar | 2.3 MW |
Electricity rates and gas prices are state or regional averages. Utility service areas come from EIA Form 861 and are listed by county, so a utility listed here may not serve every address in the county.
Frequently asked questions
- What electric company serves Union County?
- Ameren Illinois Company, Egyptian Electric Coop Assn, Southern Illinois Elec Coop report serving Union County to EIA. Check your bill or address with the utility to confirm which one serves you.
- Are there power plants in Union County?
- Yes. Union County has 1 operating power plant with 2.3 MW of capacity. The largest is Wild Cat Solar 22 LLC (2.3 MW, solar).