Ameren Illinois Company Rates: Average Bill & Price per kWh

Residential rates for Ameren Illinois Company and how they compare to the Illinois average — 2024 EIA-861 annual data.

Data through 2024 EIA-861, verified Oct 11, 2026

Residential customers of Ameren Illinois Company average $98.95/month at 11.76¢/kWh — below the Illinois average of $142.84.

Avg bill (2024)$98.95/moannual average Rate11.76¢/kWh Res. customers1,060,894 Bill rank#26 in ILof tracked utilities

Where Ameren Illinois Company rates are heading

Annual residential figures from Form EIA-861, 2019–2024.

Ameren Illinois Company price per kWh (annual) ▲ 61.6% over 2019–2024
Ameren Illinois Company price per kWh (annual) 7.3¢ 10.1¢ 12.9¢ 11.8¢ 2019 2024
YearRateAvg billRes. customers
2019 7.27¢/kWh $66.71/mo 1,059,134
2020 7.52¢/kWh $67.66/mo 1,060,266
2021 8.08¢/kWh $73.19/mo 1,063,026
2022 11.36¢/kWh $103.95/mo 1,061,975
2023 12.91¢/kWh $107.72/mo 1,060,030
2024 11.76¢/kWh $98.95/mo 1,060,894

Rate context in Illinois

Statewide residential price trend (12 months) — context for Ameren Illinois Company's 2024 annual figure.

Illinois price per kWh (12 months) ▲ 15.5% over Jul 25–Jun 26
Illinois price per kWh (12 months) 16.4¢ 20.1¢ 23.8¢ 19.9¢ Jul 25 Jun 26

Ameren Illinois Company vs its state

Annual utility averages next to the latest statewide monthly figure — different windows, both labeled.

MeasureAmeren Illinois CompanyIllinois (latest month)
Avg bill $98.95/mo $142.84/mo
Rate 11.76¢/kWh 19.89¢/kWh

Cities served by Ameren Illinois Company

Common questions

How much is the average electric bill with Ameren Illinois Company?

Ameren Illinois Company residential customers averaged $98.95 per month in 2024 (EIA-861 annual data) — about $1,187.41 per year.

What does Ameren Illinois Company charge per kWh?

Ameren Illinois Company averaged 11.76¢ per kWh for residential service in 2024 (annual revenue divided by sales, EIA-861). Actual rates depend on your plan and season.

How does Ameren Illinois Company compare to the Illinois average?

Ameren Illinois Company bills average $98.95 — lower than the Illinois average of $142.84 (latest EIA month).

How many customers does Ameren Illinois Company serve?

Ameren Illinois Company served 1,060,894 residential customers in 2024, per EIA-861 — one of the largest utilities we track in IL.

Data: Form EIA-861, 2024 annual residential figures for Ameren Illinois Company. Bill = residential revenue ÷ customers ÷ 12; rate = revenue ÷ sales. State context uses the latest EIA monthly data. See methodology.