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Electricity Rates in Illinois

Homes in Illinois paid an average of 19.22¢ per kWh in July 2026, 5% above the U.S. average (18.31¢). That's the 35th lowest rate of the 50 states and DC, and 6% higher than in August 2025.

Average rate
19.22¢
per kWh, July 2026
Rank
35th
lowest of 51
Average bill
$134.54
a month, 700 kWh

Data: EIA, July 2026. Average residential price and use.

Illinois rate over the last 12 months

15¢20¢25¢August 2025: 18.06¢ per kWhSeptember 2025: 19.05¢ per kWhOctober 2025: 18.74¢ per kWhNovember 2025: 18.31¢ per kWhDecember 2025: 17.07¢ per kWhJanuary 2026: 16.36¢ per kWhFebruary 2026: 17.83¢ per kWhMarch 2026: 18.86¢ per kWhApril 2026: 20.47¢ per kWhMay 2026: 23.85¢ per kWhJune 2026: 19.89¢ per kWhJuly 2026: 19.22¢ per kWhAug 2025Jul 202619.22¢
Show the monthly rates
Illinois average residential electricity rate, last 12 months
MonthCents per kWh
August 202518.06¢
September 202519.05¢
October 202518.74¢
November 202518.31¢
December 202517.07¢
January 202616.36¢
February 202617.83¢
March 202618.86¢
April 202620.47¢
May 202623.85¢
June 202619.89¢
July 202619.22¢

The rate went from 18.06¢ in August 2025 to 19.22¢ in July 2026. Rates often rise in summer, when demand peaks, so compare the same month year to year.

What appliances cost to run in Illinois

At 19.22¢ per kWh, with typical wattage and daily use, 30 days a month. Price any appliance in Illinois.

Monthly cost to run common appliances in Illinois
AppliancePer monthUse
Space heater$69.191,500 W, 8 h a day
Central air conditioner (3 ton)$161.453,500 W, 8 h a day
Window air conditioner$41.52900 W, 8 h a day
Refrigerator$6.92150 W, 8 h a day
Electric clothes dryer$12.973,000 W, 0.75 h a day
Electric water heater$77.844,500 W, 3 h a day
Dishwasher$5.191,200 W, 0.75 h a day
TV (55 inch LED)$2.88100 W, 5 h a day
Desktop computer$6.92150 W, 8 h a day
LED bulb (60 W equivalent)$0.269 W, 5 h a day

Illinois compared with nearby ranks

States with rates close to Illinois
RankStateRate
33rdDelaware18.48¢
34thWisconsin19.06¢
35thIllinois19.22¢
36thOhio19.45¢
37thMaryland21.41¢

See all 50 states and DC.

About these numbers

  • The rate is the EIA's average residential price for Illinois: all residential revenue divided by kWh sold. It includes delivery charges and fees spread over every kWh.
  • Your rate depends on your utility and plan. Divide your bill's total by the kWh used to find yours.
  • The average bill uses the average monthly use over the last 12 months at the latest rate. Bills are higher in the months you heat or cool with electricity.

Questions people ask

What is the average electricity rate in Illinois?

19.22¢ per kWh for homes in July 2026, according to the U.S. Energy Information Administration. That's 5% above the U.S. average of 18.31¢ and the 35th lowest of the 50 states and DC.

What is the average electric bill in Illinois?

About $134.54 a month: the average Illinois home uses 700 kWh a month (12-month average), at 19.22¢ per kWh. The U.S. average is about $159.30.

How much does it cost to run a space heater in Illinois?

A 1,500 W space heater costs about $0.29 an hour in Illinois, or $69.19 a month if it runs 8 hours a day.