Electric Consumer

Editor: Katerine G., Editor & Data Researcher · Research & publishing: Electric Consumer Editorial Team · Data retrieved · Sources named on this page: EIA retail sales · How we got these numbers · Report an error

Illinois residential electricity rates

Illinois residential electricity cost 15.87 cents per kWh in 2024, with 5,392,477 accounts buying 44.9 TWh.

In 2024 Illinois residential accounts paid 15.87 ¢/kWh, rank 19 of 51 and 3.7% below the U.S. residential price (16.48 ¢). A Illinois account using 693 kWh a month pays about $110. Since 2015 the Illinois price moved +27.0%.

Illinois sits 0.12 ¢ under Ohio, the state above, and 0.42 ¢ over Minnesota, the state below. At 693 kWh a month, energy in Illinois costs 30 dollars more than in North Dakota, the cheapest residential state.

How it compares

Illinois residential
Residential price20242015ChangeBill
Illinois15.87 ¢/kWhthis state12.50 ¢/kWh+27.0%$110at 693 kWh
Ohio (next above)15.99 ¢/kWh+0.12 ¢ against Illinois12.80 ¢/kWh+24.9%$111at 693 kWh
Minnesota (next below)Lowest in this table15.45 ¢/kWh-0.42 ¢ against Illinois12.12 ¢/kWh+27.5%$107at 693 kWh

Compare 23 Illinois companies

Illinois residential: 2025 and 2026

Illinois residential, data to July 2026.

Illinois 2025 average price
17.69 ¢/kWh+11.5% against 2024, U.S. +5.0%
Illinois 2025 rank
17 of 51+2 places against 2024
Illinois January to Jul 2026
19.22 ¢/kWh+10.7% on Jan-Jul 2025
Illinois Last 12 months
18.79 ¢/kWhto July 2026
Illinois July 2026
19.22 ¢/kWh+11.6% against July 2025
Illinois 2025 costliest month
Sep 19.05 ¢cheapest Jan 15.78 ¢, a 21% spread
Illinois Typical 2025 bill
$128 a monthtop Jul $185, low Apr $96

The Illinois residential price averaged 17.69 ¢/kWh in 2025, +11.5% on 2024: Illinois ran 6.5 points faster than the nation. From January to July 2026 the Illinois average is 19.22 ¢, +10.7% on 2025, 3.6 points above the U.S. change. Seasonality in Illinois: 2025 peaked in September at 19.05 ¢ and bottomed in January at 15.78 ¢. A typical residential account in Illinois paid about $1,532 for energy over 2025, from $96 in April to $185 in July; use per account ran 526 to 1,072 kWh a month.

Illinois residential price by month, 2024 to Jul 2026

Price by month, Illinois residential: 12 rows
Month202420252026 to Jul
Jan14.7715.7816.36
Feb15.6016.4717.83
Mar15.9517.5518.86
Apr16.5118.2820.47
May16.5218.5823.85
Jun16.0118.2919.89
Jul15.1917.2219.22
Aug15.6218.06No data
Sep15.8019.05No data
Oct16.4818.74No data
Nov17.0618.31No data
Dec15.9617.07No data

12 rows from EIA retail sales.

CSV

What a typical Illinois residential account paid each month

Illinois residential: use per account times price, energy only.

Typical bill by month, Illinois residential: 12 rows
Month20252026 to Jul
Jan131133
Feb115128
Mar109115
Apr96110
May100123
Jun162143
Jul185193
Aug163No data
Sep125No data
Oct108No data
Nov105No data
Dec131No data

12 rows from EIA retail sales.

CSV

Illinois residential charts

Residential price, Illinois and U.S.

Illinois 12.50 ¢ in 2015 and 15.87 ¢ in 2024, 0.61 ¢ under the national figure.

Illinois residential price vs U.S., 2015 to 2024: 10 rows
YearIllinois residentialGap to U.S. residentialIllinois commercial
201512.50-0.159.02
201612.54-0.019.02
201712.95+0.069.09
201812.77-0.109.12
201913.03+0.029.08
202013.04-0.119.15
202113.18-0.489.65
202215.65+0.6111.32
202315.71-0.2911.24
202415.87-0.6111.81

10 rows from EIA retail sales.

CSV

Annual change

Biggest move +18.7% in 2022; latest +1.0%.

% vs prior year

  1. +0.32016
  2. +3.32017
  3. -1.42018
  4. +2.02019
  5. +0.12020
  6. +1.12021
  7. +18.72022
  8. +0.42023
  9. +1.02024

Year-over-year change, Illinois residential price: EIA retail sales.

CSV

Analyst note

The Illinois residential price sat above the U.S. average in 3 of 10 years; the gap was -0.15 ¢ in 2015 and -0.61 ¢ in 2024. In the 2024 ranking Illinois sits between Ohio (15.99 ¢) one place above and Minnesota (15.45 ¢) one place below; the top of the list is 26.99 ¢ away and the bottom 4.36 ¢. Illinois was 21st in 2015 with 12.50 ¢ and is 19th now; a rise in the table. Illinois residential prices rose in 8 of 9 years. The largest rise was +18.7% in 2022, and the largest fall -1.4% in 2018. The Illinois price peaked at 15.87 ¢ in 2024 and bottomed at 12.50 ¢ in 2015; 2024 is the peak and +27.0% from the low. Compounded, that is +2.69% a year in Illinois, -0.29 points against the U.S. Illinois buys 3.02% of all U.S. residential electricity with 3.77% of the accounts, so the average Illinois account uses 0.80 times the national average.

A middle price: 15.87 ¢/kWh for Illinois residential accounts, rank 19 of 51, -3.7% against the U.S. Illinois: +27.0% over nine years, or +2.7% a year, trailing the national +30.3% by 3.3 points; 2022 was the biggest single move (+18.7%) and 2024 the high.

Last year's change in Illinois was +1.0% and still rising. Against the commercial price of 11.81 ¢ the gap is 4.06 ¢. Residential sales are 33.7% of Illinois electricity sold, and an average Illinois account used 693 kWh a month, an implied bill near $110.

Counting revenue instead of kWh, Illinois residential accounts bring in 43.9% of Illinois sector revenue on 33.8% of the kWh, a premium of 10.1 points that comes from the price level: 15.87 ¢ here against 11.81 ¢ for commercial and 8.83 ¢ for industrial accounts. The average Illinois residential account uses 693 kWh a month, 36 of 51 among states on that measure; a commercial account uses 8.52 times as much and a industrial account 902.77 times. Residential accounts are 89.33% of the 6,036,673 accounts in Illinois.

Facts

Residential price 2024
15.87 ¢/kWh-3.7% against U.S.
Price in 2015
12.50 ¢/kWh+27.0% to 2024
Annual change
+2.7%-0.3 points vs U.S.
Rank
19 of 5132 states cost less
Gap to U.S.
-0.61 ¢$4.23 a month
Peak year
202415.87 ¢; 2015 low 12.50 ¢
Sales
44.9 TWh33.7% of state sales
Residential accounts
5,392,477424.85 per 1,000 residents
Use per account
693 kWh/mo8,317 a year
Implied monthly bill
$110-$4 against U.S. rate

Data tables

Illinois, residential: price by year

YearIllinoisU.S.ChangeGapRatio
201512.5012.65No data-0.150.988
201612.5412.55+0.3%-0.010.999
201712.9512.89+3.3%+0.061.005
201812.7712.87-1.4%-0.100.992
201913.0313.01+2.0%+0.021.002
202013.0413.15+0.1%-0.110.992
202113.1813.66+1.1%-0.480.965
202215.6515.04+18.7%+0.611.041
202315.7116.00+0.4%-0.290.982
202415.8716.48+1.0%-0.610.963

Illinois residential: cost by use

Monthly kWhIllinois cost a monthGap to U.S. rate in Illinois
170 (0.25x the Illinois account)$26.98-$1.04
350 (0.5x the Illinois account)$55.55-$2.14
690 (1x the Illinois account)$109.50-$4.21
1,040 (1.5x the Illinois account)$165.05-$6.34
1,390 (2x the Illinois account)$220.59-$8.48
2,770 (4x the Illinois account)$439.60-$16.90

Illinois: the three sectors measured against residential

SectorIllinois price ¢/kWhPrice vs residentialIllinois kWh per account a monthUse vs residentialIllinois revenue shareIllinois kWh share
Residential (this page)15.871.00x6931.00x43.9%33.8%
Commercial11.810.74x5,9048.52x32.9%34.1%
Industrial8.830.56x625,717902.77x23.2%32.2%

Questions on Illinois residential

What is the average residential electricity rate in Illinois? Is 15.87 cents high?

15.87 cents in 2024, -3.7% against the U.S. rate.

Where does Illinois rank for residential electricity prices?

19th of 51, with 32 places charging less.

How much did Illinois residential rates change since 2015?

12.50 to 15.87 cents: +27.0% in total, +2.7% a year.

What does an average Illinois residential account pay a month?

693 kWh at 15.87 cents, price times use, comes to $110.

How large is the Illinois residential customer base?

5,392,477 accounts, or 424.85 per 1,000 residents.

What year did Illinois residential power peak?

2024 at 15.87 cents; the low was 12.50 cents in 2015.

What did Illinois residential electricity cost in 2025?

Illinois averaged 17.69 cents per kWh, +11.5% against 15.87 in 2024, and 17 of 51 among states.

Are Illinois residential electricity prices rising in 2026?

Illinois is +3.6 points against the U.S.: 19.22 cents from January to July 2026, +10.7% on 2025.

When in 2025 did Illinois residential power cost most, September or January?

September at 19.05 cents in Illinois; January was the lowest at 15.78, a 21% spread.

Does Illinois residential power cost more than the national average in 2026?

1.00 cents above the national average; Illinois 19.22 cents over January to July 2026, +10.7% on 2025.

More on Illinois residential

Share this page

In 2024 Illinois residential accounts paid 15.87 ¢/kWh, rank 19 of 51 and 3.7% below the U.S. residential price (16.48 ¢).