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Alexander County, IL Energy

Electric utilities, power plants and charging stations in Alexander County, Illinois.

Illinois home electricity
19.22¢/kWh
July 2026
Regular gas, region
$4.15/gal
Midwest (PADD 2)
Electric utilities
3
Serving Alexander County

Electric utilities serving Alexander 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

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UtilityCustomers in stateHome priceHome bill
Ameren Illinois CompanyInvestor Owned1,229,94016.70¢/kWh$148/mo
Southern Illinois Elec CoopCooperative11,216Not reportedNot reported
Cairo Public Utility CompanyMunicipal1,127Not reportedNot reported

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 Alexander County?
Ameren Illinois Company, Southern Illinois Elec Coop, Cairo Public Utility Company report serving Alexander County to EIA. Check your bill or address with the utility to confirm which one serves you.