Average electric bill in Illinois
A typical Illinois home paid about $127.65 a month for electricity in 2025, $1,531.84 for the year, using 722 kWh a month at 17.69 cents per kWh.
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Energy only, 17.69 ¢ per kWh; the slider starts at 722 kWh.
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The numbers
- Typical bill 2025
- $127.65 a month$1,531.84 a year, energy only
- Rank by bill
- 37 of 51-16% on the U.S. typical
- Average use
- 722 kWh a month35 of 51; -18% on the U.S.
- Home price 2025
- 17.69 ¢/kWh17 of 51; +2% on the U.S.
- Costliest month
- Jul $184.541,072 kWh at 17.22 ¢
- Cheapest month
- Apr $96.12526 kWh at 18.28 ¢
- Summer to winter swing
- 92%costliest month over cheapest
- Typical bill, Jan to Jul 2026
- $135.01 a month+5.2% on the same months of 2025
- Share of median income
- 1.87%42 of 51; median household income $81,702
- Typical bill 2023 to 2025
- +21.4%$105.12 to $127.65 a month
- Typical business bill 2025
- $783.36 a month13.07 ¢/kWh
- Gap to the lowest bill
- $29.06 a monthlowest is New Mexico at $98.59
Illinois charts
Typical monthly bill, Illinois
$96.12 in Apr to $184.54 in Jul.
Typical monthly bill, Illinois: 12 rows
| Month | 2025 | 2026 to Jul |
|---|---|---|
| Jan | 131 | 133 |
| Feb | 115 | 128 |
| Mar | 109 | 115 |
| Apr | 96 | 110 |
| May | 100 | 123 |
| Jun | 162 | 143 |
| Jul | 185 | 193 |
| Aug | 163 | No data |
| Sep | 125 | No data |
| Oct | 108 | No data |
| Nov | 105 | No data |
| Dec | 131 | No data |
12 rows from EIA retail sales.
CSVIllinois and the states next to it in rank
$127.65 a month, rank 37 of 51.
Illinois, Typical monthly bill, Illinois against others, 2025: EIA retail sales.
CSVBill 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 | $31.84 | $382.10 | $31.14 | +$1 |
| 360 kWh, 0.5x the Illinois average | $63.68 | $764.21 | $62.28 | +$1 |
| 540 kWh, 0.75x the Illinois average | $95.53 | $1,146.31 | $93.42 | +$2 |
| 720 kWh, 1x the Illinois average | $127.37 | $1,528.42 | $124.56 | +$3 |
| 900 kWh, 1.25x the Illinois average | $159.21 | $1,910.52 | $155.70 | +$4 |
| 1,080 kWh, 1.5x the Illinois average | $191.05 | $2,292.62 | $186.84 | +$4 |
| 1,440 kWh, 2x the Illinois average | $254.74 | $3,056.83 | $249.12 | +$6 |
| 2,160 kWh, 3x the Illinois average | $382.10 | $4,585.25 | $373.68 | +$8 |
Illinois month by month in 2025
| Month | Illinois kWh per account | Illinois price ¢/kWh | Illinois typical bill |
|---|---|---|---|
| Jan | 832 | 15.78 | $131.31 |
| Feb | 700 | 16.47 | $115.23 |
| Mar | 622 | 17.55 | $109.14 |
| Apr | 526 | 18.28 | $96.12 |
| May | 541 | 18.58 | $100.48 |
| Jun | 884 | 18.29 | $161.77 |
| Jul | 1,072 | 17.22 | $184.54 |
| Aug | 905 | 18.06 | $163.36 |
| Sep | 657 | 19.05 | $125.24 |
| Oct | 576 | 18.74 | $108.00 |
| Nov | 576 | 18.31 | $105.45 |
| Dec | 769 | 17.07 | $131.20 |
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 | $127.65 | $1,531.84 | 722 | 17.69 |
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 | 611 | 18.86 | $115.26 |
| 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 |
Business and industry in Illinois
| Customer type | Illinois bill a month, 2025 | Illinois kWh per account | Illinois price ¢/kWh |
|---|---|---|---|
| Business | $783.36 | 5,995 | 13.07 |
| Industry | $61,300.56 | 603,129 | 10.14 |
Illinois bill next to income
Illinois: 1.87% of median household income, rank 42; the four states closest to it:
| State near Illinois | Median income | Bill a year | Share of income, near Illinois |
|---|---|---|---|
| Montana | $69,922 | $1,328.39 | 1.90% |
| New Mexico | $62,125 | $1,183.12 | 1.90% |
| Nebraska | $74,985 | $1,437.16 | 1.92% |
| Wisconsin | $75,670 | $1,450.80 | 1.92% |
Weather and the bill
Illinois homes used the most power in Jul 2025 (1,072 kWh per account) and the least in Apr (526 kWh). Degree-days (heating plus cooling) peaked in Jan (1,349). Across the 12 months, use and degree-days have a correlation of 0.06. 2025 had 5,887 heating and 1,042 cooling degree-days, 9% below and 24% above the 1991 to 2020 normals (6,437 and 841).
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 | 6437 | 841 |
| 2016 | 5544 | 1089 | 6437 | 841 |
| 2017 | 5543 | 840 | 6437 | 841 |
| 2018 | 6427 | 1096 | 6437 | 841 |
| 2019 | 6430 | 936 | 6437 | 841 |
| 2020 | 5774 | 951 | 6437 | 841 |
| 2021 | 5684 | 1063 | 6437 | 841 |
| 2022 | 6325 | 929 | 6437 | 841 |
| 2023 | 5320 | 881 | 6437 | 841 |
| 2024 | 5080 | 1024 | 6437 | 841 |
| 2025 | 5887 | 1042 | 6437 | 841 |
NOAA nClimDiv degree-days for Illinois, 2015 to 2025, pulled 2 Oct 2026.
CSVIllinois, 2025 by month: 12 rows
| Month | kWh per account | Price ¢/kWh | Typical bill | HDD 2025 | CDD 2025 | HDD normal | CDD normal |
|---|---|---|---|---|---|---|---|
| Jan | 832 | 15.78 | $131 | 1,349 | 0 | 1,310 | 0 |
| Feb | 700 | 16.47 | $115 | 1,069 | 0 | 1,091 | 0 |
| Mar | 622 | 17.55 | $109 | 627 | 4 | 865 | 1 |
| Apr | 526 | 18.28 | $96 | 419 | 2 | 474 | 2 |
| May | 541 | 18.58 | $100 | 221 | 48 | 213 | 61 |
| Jun | 884 | 18.29 | $162 | 11 | 250 | 36 | 174 |
| Jul | 1,072 | 17.22 | $185 | 0 | 365 | 5 | 283 |
| Aug | 905 | 18.06 | $163 | 14 | 226 | 18 | 233 |
| Sep | 657 | 19.05 | $125 | 42 | 122 | 88 | 78 |
| Oct | 576 | 18.74 | $108 | 249 | 25 | 384 | 9 |
| Nov | 576 | 18.31 | $105 | 696 | 0 | 776 | 0 |
| Dec | 769 | 17.07 | $131 | 1,190 | 0 | 1,177 | 0 |
EIA retail sales and NOAA nClimDiv for Illinois, 2025 by month.
CSVAnalyst note
A typical Illinois home account paid about $127.65 a month for energy in 2025, $1,531.84 over the year, which ranks 37 of 51 states, 16% below the U.S. typical bill. Illinois homes used 722 kWh a month (35 of 51, 18% under the U.S.) at 17.69 cents (17 of 51, 2% over), so the bill reflects a mix of price and use. The year swings from $96.12 in April to $184.54 in July, a 92% gap, driven by use of 526 against 1,072 kWh. So far in 2026 the typical bill is $135.01 a month, +5.2% on the same months of 2025. Business accounts paid about $783.36 a month at 13.07 cents, 6.1 times a home bill. Over a year that is 1.87% of the $81,702 median household income, 42 of 51 states. The typical bill was $105.12 a month in 2023, $110.02 in 2024 and $127.65 in 2025, +21.4% in two years, with use per account at 669, 693 and 722 kWh.
Illinois: states with a similar bill
| State | Typical bill, near Illinois | kWh a month | Price ¢/kWh |
|---|---|---|---|
| Kansas | $128.14 | 880 | 14.56 |
| Michigan | $126.87 | 634 | 20.01 |
| North Dakota | $126.80 | 1,073 | 11.81 |
| Washington | $125.13 | 955 | 13.11 |
Questions on the Illinois bill
What is the average electric bill in Illinois?
Energy only: about $127.65 a month in 2025, or $1,531.84 a year.
How much electricity does a Illinois home use?
Rank 35 of 51: 722 kWh a month in 2025, -18% on the U.S.
What month is the electric bill highest in Illinois?
July at $184.54; the lowest is April at $96.12.
Is the average electric bill in Illinois above the national average?
Below, by $24.21 a month or 16%.
How much does 1,000 kWh cost in Illinois?
$176.90 at 17.69 cents per kWh, the 2025 average.
How far is Illinois from the state with the lowest bill?
$29.06 a month: the lowest typical bill, $98.59 in New Mexico, against $127.65 here.
What share of income goes to electricity in Illinois?
1.87% of the $81,702 median household income, 42 of 51 states.
How much did the typical Illinois bill change since 2023?
$105.12 a month in 2023, $127.65 in 2025, +21.4%.
What does a Illinois business pay a month for electricity?
$783.36 for a typical commercial account, at 13.07 cents per kWh in 2025.
Is the Illinois bill rising in 2026?
$135.01 a month so far, +5.2% on the same months of 2025.
More on Illinois
- Illinois electricity ratesutilities, map, outages
- Illinois residential ratesprice history and rank
- Decode your Illinois bill