Illinois vs Iowa electricity prices: 17.69 ¢ against 13.72 ¢ per kWh
41 places apart: Illinois #4, Iowa #45 of 51, the widest of 31 measures. price change since 2015 Illinois +42%, Iowa +18%; smart meters, share of homes Illinois 94%, Iowa 46%. Typical bills differ by $10 a month, higher in Illinois.
Over a year the typical energy bill differs by $121 ($128 a month in Illinois, $118 in Iowa). Since 2015 the home price rose +41.5% in Illinois and +18.0% in Iowa: 23.5 points more in Illinois. Against the U.S. home average Illinois sits at +2.3% and Iowa at -20.7%.
Illinois against Iowa: widest gaps
| Measure | Illinois | Iowa | Gap | Rank (of 51) |
|---|---|---|---|---|
| Price change 2024 to 2025 | +11.5% | +2.4% | +9.1 points | #4 / #45 |
| Price change since 2015 | +42% | +18% | +23.5 points | #11 / #49 |
| Smart meters, share of homes | 94% | 46% | +47.7 points | #11 / #42 |
| Nuclear share of generation | 50.9% | 0.0% | +50.9 points | #3 / #34 |
| Industry price 2025, ¢/kWh | 10.14 | 7.20 | +2.94 ¢ | #13 / #41 |
| Price change, 2026 to date | +10.7% | +5.0% | +5.7 points | #12 / #34 |
| Renewable share of generation | 16.7% | 62.0% | -45.3 points | #27 / #6 |
| Home price 2025, ¢/kWh | 17.69 | 13.72 | +3.97 ¢ | #17 / #36 |
| Business price 2025, ¢/kWh | 13.07 | 11.05 | +2.02 ¢ | #17 / #35 |
| Homes on retail supply | 25.0% | 0.0% | +25.0 points | #7 / #24 |
31 measures compared for Illinois and Iowa; the CSV holds the 10 widest.
CSVIllinois and Iowa: price over time
Home price, Illinois and Iowa, 2010 to 2025: 16 rows
| Year | Illinois | Iowa | Gap to U.S. |
|---|---|---|---|
| 2010 | 11.52 | 10.42 | -0.02 |
| 2011 | 11.78 | 10.46 | +0.06 |
| 2012 | 11.37 | 10.82 | -0.51 |
| 2013 | 10.63 | 11.04 | -1.50 |
| 2014 | 11.91 | 11.16 | -0.61 |
| 2015 | 12.50 | 11.63 | -0.15 |
| 2016 | 12.54 | 11.94 | -0.01 |
| 2017 | 12.95 | 12.34 | +0.06 |
| 2018 | 12.77 | 12.24 | -0.10 |
| 2019 | 13.03 | 12.46 | +0.02 |
| 2020 | 13.04 | 12.46 | -0.11 |
| 2021 | 13.18 | 12.73 | -0.48 |
| 2022 | 15.65 | 13.15 | +0.61 |
| 2023 | 15.71 | 13.31 | -0.29 |
| 2024 | 15.87 | 13.40 | -0.61 |
| 2025 | 17.69 | 13.72 | +0.39 |
Illinois 11.52 to 17.69 ¢ and Iowa 10.42 to 13.72 ¢ between 2010 and 2025 (EIA).
CSVTypical bill by month, Illinois and Iowa: 12 rows
| Month | Illinois | Iowa |
|---|---|---|
| Jan | 131 | 132 |
| Feb | 115 | 119 |
| Mar | 109 | 103 |
| Apr | 96 | 86 |
| May | 100 | 91 |
| Jun | 162 | 134 |
| Jul | 185 | 173 |
| Aug | 163 | 153 |
| Sep | 125 | 112 |
| Oct | 108 | 95 |
| Nov | 105 | 90 |
| Dec | 131 | 123 |
Monthly typical bill: $96 to $185 in Illinois, $86 to $173 in Iowa.
CSVYour bill in Illinois and in Iowa
Illinois and Iowa on the map
Where Illinois and Iowa are alike
- Gas share of generation: 16.0% and 12.2%
- Major-event outage minutes: 109 and 115
- Cooling degree-days, normal year: 841 and 811
Sources and dates: data sources.
Questions
Is Illinois or Iowa higher on price change 2024 to 2025?
Illinois, by 9.1 points; they rank #4 and #45 of 51.
Is Illinois or Iowa higher on price change since 2015?
Illinois, by 23.5 points; they rank #11 and #49 of 51.
Is Illinois or Iowa higher on smart meters?
Illinois, by 47.7 points; they rank #11 and #42 of 51.
Is Illinois or Iowa higher on nuclear share of generation?
Illinois, by 50.9 points; they rank #3 and #34 of 51.
Is Illinois or Iowa higher on industry price 2025?
Illinois, by 2.94 ¢; they rank #13 and #41 of 51.
What would 878 kWh a month cost in Illinois and in Iowa?
Illinois $155, Iowa $120: $35 apart, energy only.
Where do Illinois and Iowa match most closely?
gas share of generation (16.0% and 12.2%); major-event outage minutes (109 and 115); cooling degree-days, normal year (841 and 811).