Average Electric Bill in Illinois

The typical Illinois household pays $170.29 a month for electricity. See the numbers by home size, compare with the US average, and estimate your own bill.

Illinois average monthly bill

$170.29

886 kWh × 0.19 $/kWh (EIA, Jul 2026)

Residential rate

$0.19

per kWh

vs US average bill

+5%

more expensive

Bill rank

#17

of 51 (1 = highest)

Average bill by home size in Illinois

Same Illinois rate, different home sizes. Typical usage figures are national estimates — open a size to see the full breakdown.

Illinois average bill trend

Estimated monthly bill (886 kWh × the state residential rate) over the last 12 months (Aug 2025 – Jul 2026).

$160.01
Aug
$168.78
Sep
$166.04
Oct
$162.23
Nov
$151.24
Dec
$144.95
Jan
$157.97
Feb
$167.1
Mar
$181.36
Apr
$211.31
May
$176.23
Jun
$170.29
Jul

Illinois electricity bill calculator

Prefilled with Illinois's average residential rate. Enter your own usage or appliance power to see how your bill compares.

/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.

About electricity bills in Illinois

What the average includes

The average above is energy cost only: typical household usage × Illinois's average residential rate from the EIA. Utilities also add a fixed monthly service charge and, in some areas, tax — expect real bills to run $10–$25 higher.

Lowering your bill

The fastest wins are heating, cooling, and water heating — usually half the bill combined. Use the savings planner to size up LED, thermostat, and appliance changes before spending money.

Average electric bills in Illinois: common questions

The average Illinois household pays about $170.29 a month, based on typical usage of 886 kWh at the state average residential rate of 0.19 $/kWh (EIA, Jul 2026). Larger homes and heavy AC or heating use push bills above this figure.