Average electric bill in Illinois

A typical Illinois home paid about $126.56 a month for electricity in 2025, $1,518.77 for the year, using 716 kWh a month at 17.67 cents per kWh.

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Monthly use, kWh

Energy only, 17.67 ¢ per kWh; the slider starts at 716 kWh.

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The numbers

Typical bill 2025: $126.56 a month$1,518.77 a year, energy only
Rank by bill: 37 of 51-16% on the U.S. typical
Average use: 716 kWh a month35 of 51; -18% on the U.S.
Home price 2025: 17.67 ¢/kWh17 of 51; +3% on the U.S.
Costliest month: Jul $182.831,064 kWh at 17.19 ¢
Cheapest month: Apr $95.36522 kWh at 18.28 ¢
Summer to winter swing: 92%costliest month over cheapest
Typical bill, Jan to Aug 2026: $139.56 a month+6.0% on the same months of 2025
Share of median income: 1.86%41 of 51; median household income $81,702
Typical bill 2023 to 2025: +20.4%$105.12 to $126.56 a month
Typical business bill 2025: $785.41 a month13.10 ¢/kWh
Gap to the lowest bill: $31.91 a monthlowest is New Mexico at $94.66

Illinois charts

Typical monthly bill, Illinois

$95.36 in Apr to $182.83 in Jul.

Typical monthly bill, Illinois: 12 rows

Month	2025	2026 to Aug
Jan	130	133
Feb	114	128
Mar	108	115
Apr	95	110
May	100	123
Jun	160	143
Jul	183	193
Aug	162	171
Sep	124	No data
Oct	107	No data
Nov	105	No data
Dec	130	No data

12 rows from EIA retail sales.

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Illinois and the states next to it in rank

$126.56 a month, rank 37 of 51.

dollars a month

Illinois127
U.S. average151
Michigan127
Kansas126

Illinois, Typical monthly bill, Illinois against others, 2025: EIA retail sales.

CSV

Bill by use level

Use	Illinois a month	Illinois a year	U.S. a month	Gap to U.S. in Illinois
180 kWh, 0.25x the Illinois average	$31.81	$381.67	$31.01	+$1
360 kWh, 0.5x the Illinois average	$63.61	$763.34	$62.03	+$2
540 kWh, 0.75x the Illinois average	$95.42	$1,145.02	$93.04	+$2
720 kWh, 1x the Illinois average	$127.22	$1,526.69	$124.06	+$3
900 kWh, 1.25x the Illinois average	$159.03	$1,908.36	$155.07	+$4
1,070 kWh, 1.5x the Illinois average	$189.07	$2,268.83	$184.36	+$5
1,430 kWh, 2x the Illinois average	$252.68	$3,032.17	$246.39	+$6
2,150 kWh, 3x the Illinois average	$379.91	$4,558.86	$370.44	+$9

Illinois month by month in 2025

Month	Illinois kWh per account	Illinois price ¢/kWh	Illinois typical bill
Jan	826	15.77	$130.33
Feb	695	16.46	$114.37
Mar	617	17.54	$108.26
Apr	522	18.28	$95.36
May	537	18.55	$99.57
Jun	878	18.26	$160.29
Jul	1,064	17.19	$182.83
Aug	898	18.03	$161.91
Sep	653	19.01	$124.13
Oct	572	18.70	$107.03
Nov	572	18.28	$104.56
Dec	763	17.05	$130.15

Illinois typical bill over the years

Year	Illinois bill a month	Illinois a year	Illinois kWh per account	Illinois price ¢/kWh
2023	$105.12	$1,261.39	669	15.71
2024	$110.02	$1,320.25	693	15.87
2025	$126.56	$1,518.77	716	17.67

Illinois in 2026 so far

Month	Illinois kWh per account	Illinois price ¢/kWh	Illinois typical bill
Jan 2026	812	16.36	$132.89
Feb 2026	719	17.83	$128.28
Mar 2026	612	18.85	$115.45
Apr 2026	538	20.47	$110.05
May 2026	514	23.85	$122.66
Jun 2026	718	19.89	$142.87
Jul 2026	1,005	19.22	$193.10
Aug 2026	886	19.32	$171.22

Business and industry in Illinois

Customer type	Illinois bill a month, 2025	Illinois kWh per account	Illinois price ¢/kWh
Business	$785.41	5,996	13.10
Industry	$61,049.80	633,626	9.63

Illinois bill next to income

Illinois: 1.86% of median household income, rank 41; the four states closest to it:

State near Illinois	Median income	Bill a year	Share of income, near Illinois
Nebraska	$74,985	$1,406.82	1.88%
New Mexico	$62,125	$1,135.88	1.83%
Nevada	$75,561	$1,380.64	1.83%
Montana	$69,922	$1,329.70	1.90%

Weather and the bill

Illinois homes used the most power in Jul 2025 (1,064 kWh per account) and the least in Apr (522 kWh). Degree-days (heating plus cooling) peaked in Jan (1,349). Across the 12 months, use and degree-days have a correlation of 0.07. 2025 had 5,887 heating and 1,042 cooling degree-days, 4% below and 17% above the 1991 to 2020 normals (6,104 and 888).

Illinois degree-days by year

Heating and cooling degree-days, Illinois, 2015 to 2025: 11 rows

Illinois year	Heating (HDD)	Cooling (CDD)	Normal HDD	Normal CDD
2015	6004	842	6104	888
2016	5544	1089	6104	888
2017	5543	840	6104	888
2018	6427	1096	6104	888
2019	6430	936	6104	888
2020	5774	951	6104	888
2021	5684	1063	6104	888
2022	6325	929	6104	888
2023	5320	881	6104	888
2024	5080	1024	6104	888
2025	5887	1042	6104	888

NOAA nClimDiv degree-days for Illinois, 2015 to 2025, pulled 2 Oct 2026.

CSV

Illinois, 2025 by month: 12 rows

Month	kWh per account	Price ¢/kWh	Typical bill	HDD 2025	CDD 2025	HDD normal	CDD normal
Jan	826	15.77	$130	1,349	0	1,269	0
Feb	695	16.46	$114	1,069	0	1,030	0
Mar	617	17.54	$108	627	4	815	2
Apr	522	18.28	$95	419	2	451	2
May	537	18.55	$100	221	48	193	71
Jun	878	18.26	$160	11	250	27	189
Jul	1,064	17.19	$183	0	365	5	287
Aug	898	18.03	$162	14	226	16	241
Sep	653	19.01	$124	42	122	77	88
Oct	572	18.70	$107	249	25	375	8
Nov	572	18.28	$105	696	0	740	0
Dec	763	17.05	$130	1,190	0	1,106	0

EIA retail sales and NOAA nClimDiv for Illinois, 2025 by month.

CSV

Analyst note

A typical Illinois home account paid about $126.56 a month for energy in 2025, $1,518.77 over the year, which ranks 37th of 51 states, 16% below the U.S. typical bill. Illinois homes used 716 kWh a month (35 of 51, 18% under the U.S.) at 17.67 cents (17 of 51, 3% over), so the bill reflects a mix of price and use. The year swings from $95.36 in April to $182.83 in July, a 92% gap, driven by use of 522 against 1,064 kWh. So far in 2026 the typical bill is $139.56 a month, +6.0% on the same months of 2025. Business accounts paid about $785.41 a month at 13.10 cents, 6.2 times a home bill. Over a year that is 1.86% of the $81,702 median household income, 41 of 51 states. The typical bill was $105.12 a month in 2023, $110.02 in 2024 and $126.56 in 2025, +20.4% in two years, with use per account at 669, 693 and 716 kWh.

Illinois: states with a similar bill

State	Typical bill, near Illinois	kWh a month	Price ¢/kWh
Kansas	$126.42	876	14.44
North Dakota	$126.40	1,070	11.82
Michigan	$127.17	635	20.03
Washington	$124.40	945	13.17

Questions on the Illinois bill

What is the average electric bill in Illinois?

Energy only: about $126.56 a month in 2025, or $1,518.77 a year.

How much electricity does an Illinois home use?

Rank 35 of 51: 716 kWh a month in 2025, -18% on the U.S.

What month is the electric bill highest in Illinois?

July at $182.83; the lowest is April at $95.36.

Is the average electric bill in Illinois above the national average?

Below, by $24.11 a month or 16%.

How much does 1,000 kWh cost in Illinois?

$176.70 at 17.67 cents per kWh, the 2025 average.

How far is Illinois from the state with the lowest bill?

$31.91 a month: the lowest typical bill, $94.66 in New Mexico, against $126.56 here.

What share of income goes to electricity in Illinois?

1.86% of the $81,702 median household income, 41 of 51 states.

How much did the typical Illinois bill change since 2023?

$105.12 a month in 2023, $126.56 in 2025, +20.4%.

What does an Illinois business pay a month for electricity?

$785.41 for a typical commercial account, at 13.10 cents per kWh in 2025.

Is the Illinois bill rising in 2026?

$139.56 a month so far, +6.0% on the same months of 2025.