Electricity rates in Illinois

See the latest average electricity prices in Illinois and estimate your bill with a calculator prefilled with the local residential rate.

Illinois residential rate

$0.19

per kWh · EIA, Jul 2026

Residential

$0.19

per kWh

Commercial

$0.15

per kWh

Industrial

$0.12

per kWh

vs US average

+5%

more expensive

Price rank

#17

of 51 (1 = highest)

Avg monthly bill

$170

at 886 kWh typical usage

How Illinois compares

Residential price per kWh vs the national average and the cheapest/most expensive states.

$0.13
Lowest
$0.18
US avg
$0.19
IL
$0.48
Highest

Illinois electricity price trend

Average residential price per kWh over the last 12 months (Aug 2025 – Jul 2026).

$0.18
Aug
$0.19
Sep
$0.19
Oct
$0.18
Nov
$0.17
Dec
$0.16
Jan
$0.18
Feb
$0.19
Mar
$0.20
Apr
$0.24
May
$0.20
Jun
$0.19
Jul

Typical electric bills by home size in Illinois

Estimated energy cost at Illinois's average residential rate of $0.19/kWh, before fixed charges and tax.

Home sizeTypical usageMonthlyYearly
1-bedroom apartment≈ 550 kWh/mo$105.71$1,268.52/yr
2-bedroom home≈ 700 kWh/mo$134.54$1,614.48/yr
3-bedroom house≈ 900 kWh/mo$172.98$2,075.76/yr
4-bedroom house≈ 1150 kWh/mo$221.03$2,652.36/yr

Illinois electricity bill calculator

Prefilled with Illinois's average residential rate. Adjust usage, add fixed charges, or switch to a tiered tariff.

/kWh
Billing period
kWh
$
%
Estimated monthly bill

$125.32

600 kWh · ≈ $4.12/day

Per day

$4.12

Per year

$1,503.84

7,200 kWh/yr

Cost breakdown

$125.32per month
  • Energy92%
  • Fixed charge8%

Estimate only. Check your official utility bill for exact charges.

Electricity rates in Illinois: common questions

Illinois's average residential electricity price is $0.19 per kWh (EIA, Jul 2026) — about 5% above the US average of $0.18. That ranks #17 of 51 states by residential price (1 = most expensive).