Electricity in Peoria, Illinois

Ameren Illinois is the main electric utility in Peoria County, where Peoria is. The average Ameren Illinois home paid $148.32 a month in 2025 (16.7¢ per kWh). The Illinois average was $126.59.

  • 110,920 people (2025 estimate)
  • Peoria County
  • EIA data, 2025

Electric utilities in Peoria

Electric utilities with 1,000 or more homes in Peoria County: average home bill in 2025 and 1,000 kWh bill in November 2026
UtilityHomes in IllinoisAverage bill 20251,000 kWh now
Ameren IllinoisInvestor-owned utility · bill calculator 1,062,810 $148.32888 kWh, 16.7¢ $176.29

1 smaller utility with fewer than 1,000 homes is also listed in the county. The average bill is the 2025 average of each utility's homes that bought their power from it (EIA-861); a dash means that its homes buy power from a retail supplier. The 1,000 kWh bill is from the official tariff, before taxes, for the utilities that have a calculator on this site. The Illinois average was $126.59 a month for 716 kWh (17.7¢ per kWh).

Solar power in Peoria

A home solar system on a south-facing roof in Peoria makes about 1,368 kWh a year for each kW of panels (PVWatts, National Laboratory of the Rockies). A 6 kW system makes about 8,210 kWh a year. See what that saves on your utility's rates with the solar savings calculator.

Lower your electric bill in Peoria

More about Illinois: Illinois electric rates and all Illinois utilities, business electricity rates and natural gas bills. Other cities: Chicago, Aurora, Batavia, Belvidere, Bloomington, Champaign, Cicero, Crystal Lake, Danville, DeKalb, Decatur, Elgin.

Who provides electricity in Peoria, IL?

Ameren Illinois is the main electric utility in Peoria County, where Peoria is.

What is the average electric bill in Peoria, IL?

The average Ameren Illinois home paid $148.32 a month in 2025 (16.7¢ per kWh). The Illinois average was $126.59 a month for 716 kWh. Your bill depends on your kWh and your rate plan.

utilityratecalc.com is not part of any utility or city government. Sources: Census Bureau city population estimates, Vintage 2025 (the city and its counties); EIA-861 data, 2025 (utilities by county, homes and average bills).