Illinois vs Missouri electricity prices: 17.67 ¢ against 13.30 ¢ per kWh
35 places apart: Illinois #12, Missouri #47 of 51, the widest of 31 measures. CO2 per mwh of generation, lb Illinois 472, Missouri 1,444; clean share with nuclear Illinois 67.7%, Missouri 23.0%. Typical bills differ by $11 a month, higher in Missouri.
Over a year the typical energy bill differs by $137 ($127 a month in Illinois, $138 in Missouri). Since 2015 the home price rose +41.4% in Illinois and +18.6% in Missouri: 22.7 points more in Illinois. Against the U.S. home average Illinois sits at +2.6% and Missouri at -22.8%.
Illinois against Missouri: widest gaps
| Measure | Illinois | Missouri | Gap | Rank (of 51) |
|---|---|---|---|---|
| Price change since 2015 | +41% | +19% | +22.7 points | #12 / #47 |
| CO2 per MWh of generation, lb | 472 | 1,444 | -972 | #40 / #5 |
| Clean share with nuclear | 67.7% | 23.0% | +44.6 points | #6 / #39 |
| Price change 2024 to 2025 | +11.3% | +3.0% | +8.3 points | #4 / #36 |
| Heat pump saving on gas | -51% | +14% | -65.4 points | #41 / #10 |
| Heat pump break-even COP | 4.53 | 2.57 | +1.96 | #5 / #36 |
| Homes on retail supply | 25.0% | 0.0% | +25.0 points | #7 / #32 |
| Petroleum share of generation | 0.0% | 0.2% | -0.2 points | #44 / #20 |
| Median household income | $81,702 | $68,920 | +$12,782 | #18 / #41 |
| Home price 2025, ¢/kWh | 17.67 | 13.30 | +4.37 ¢ | #17 / #39 |
31 measures compared for Illinois and Missouri; the CSV holds the 10 widest.
CSVIllinois and Missouri: price over time
Home price, Illinois and Missouri, 2010 to 2025: 16 rows
| Year | Illinois | Missouri | Gap to U.S. |
|---|---|---|---|
| 2010 | 11.52 | 9.08 | -0.02 |
| 2011 | 11.78 | 9.75 | +0.06 |
| 2012 | 11.37 | 10.17 | -0.51 |
| 2013 | 10.63 | 10.60 | -1.50 |
| 2014 | 11.91 | 10.64 | -0.61 |
| 2015 | 12.50 | 11.21 | -0.15 |
| 2016 | 12.54 | 11.21 | -0.01 |
| 2017 | 12.95 | 11.63 | +0.06 |
| 2018 | 12.77 | 11.34 | -0.10 |
| 2019 | 13.03 | 11.14 | +0.02 |
| 2020 | 13.04 | 11.22 | -0.11 |
| 2021 | 13.18 | 11.41 | -0.48 |
| 2022 | 15.65 | 11.74 | +0.61 |
| 2023 | 15.71 | 12.58 | -0.29 |
| 2024 | 15.87 | 12.91 | -0.61 |
| 2025 | 17.67 | 13.30 | +0.44 |
Illinois 11.52 to 17.67 ¢ and Missouri 9.08 to 13.30 ¢ between 2010 and 2025 (EIA).
CSVTypical bill by month, Illinois and Missouri: 12 rows
| Month | Illinois | Missouri |
|---|---|---|
| Jan | 130 | 150 |
| Feb | 114 | 134 |
| Mar | 108 | 107 |
| Apr | 95 | 94 |
| May | 100 | 95 |
| Jun | 160 | 172 |
| Jul | 183 | 218 |
| Aug | 162 | 193 |
| Sep | 124 | 153 |
| Oct | 107 | 101 |
| Nov | 105 | 105 |
| Dec | 130 | 134 |
Monthly typical bill: $95 to $183 in Illinois, $94 to $218 in Missouri.
CSVYour bill in Illinois and in Missouri
Illinois and Missouri on the map
Where Illinois and Missouri are alike
- Gas share of generation: 16.0% and 12.4%
- Wind share of generation: 13.1% and 9.1%
- Major-event outage minutes: 109 and 112
Sources and dates: data sources.
Questions
Is Illinois or Missouri higher on price change since 2015?
Illinois, by 22.7 points; they rank #12 and #47 of 51.
Is Illinois or Missouri higher on CO2 per mwh of generation?
Missouri, by 972; they rank #40 and #5 of 51.
Is Illinois or Missouri higher on clean share with nuclear?
Illinois, by 44.6 points; they rank #6 and #39 of 51.
Is Illinois or Missouri higher on price change 2024 to 2025?
Illinois, by 8.3 points; they rank #4 and #36 of 51.
Is Illinois or Missouri higher on heat pump saving on gas?
Missouri, by 65.4 points; they rank #41 and #10 of 45.
What would 874 kWh a month cost in Illinois and in Missouri?
Illinois $154, Missouri $116: $38 apart, energy only.
Where do Illinois and Missouri match most closely?
gas share of generation (16.0% and 12.4%); wind share of generation (13.1% and 9.1%); major-event outage minutes (109 and 112).