Electricity rates › Illinois

Illinois electricity rates

Homes in Illinois pay an average of 15.9¢ per kWh, 4% below the US average, and use 693 kWh a month. Illinois ranks #19 of 51 for residential electricity prices.

15.9¢average price per kWh

693 kWhaverage use per month

$110average monthly bill

#19 of 51price rank (1 = most expensive)

Residential rates by utility in Illinois

Utility	¢/kWh	ZIP codes served
Ameren Illinois Company	17.0	893
Commonwealth Edison Co	14.8	587
Eastern Illinois Elec Coop	17.0	117
Corn Belt Energy Corporation	15.6	115
Menard Electric Coop	17.8	55
Norris Electric Coop	14.6	51
Southwestern Electric Coop Inc	13.2	51
Southeastern IL Elec Coop, Inc	13.7	50
Wayne-White Counties Elec Coop	15.9	49
Shelby Electric Coop, Inc	19.3	48
Tri-County Electric Coop, Inc (IL)	15.5	47
MidAmerican Energy Co	9.9	43

Average residential rates for full-service utilities, from NREL’s utility rates by ZIP code (2023). In areas with retail choice, your price depends on the plan you pick.

Is solar worth it in Illinois?

At 15.9¢ per kWh, every 1,000 kWh your roof makes and you use yourself is worth about $159. A system that covers the average Illinois home would replace about 8,316 kWh a year, roughly $1,320 of electricity at today’s prices.

6.4 kWsystem for an average home (16 panels)

$19,200rough installed cost

$1,320electricity saved per year

~15 yearssimple payback

Assumes a typical 1,350 kWh per kW of panels a year and $3.00/W installed, before incentives and price increases. Your roof’s direction, pitch and shade change these numbers; the estimator measures them for your address.

Plan solar for your Illinois home

State figures: EIA Table 5A, 2024 Average Monthly Bill - Residential (forms EIA-861, 861S, 861U).