Idaho vs Washington electricity prices: 11.83 ¢ against 13.17 ¢ per kWh
37 places apart: Idaho #45, Washington #8 of 51, the widest of 31 measures. heat pump saving on gas Idaho -48%, Washington +28%; heat pump break-even COP Idaho 4.44, Washington 2.16. Typical bills differ by $14 a month, higher in Washington.
Over a year the typical energy bill differs by $168 ($110 a month in Idaho, $124 in Washington). Since 2015 the home price rose +19.1% in Idaho and +44.9% in Washington: 25.8 points more in Washington. Against the U.S. home average Idaho sits at -31.3% and Washington at -23.6%.
Idaho against Washington: widest gaps
| Measure | Idaho | Washington | Gap | Rank (of 51) |
|---|---|---|---|---|
| Price change since 2015 | +19% | +45% | -25.8 points | #45 / #8 |
| Heat pump saving on gas | -48% | +28% | -76.0 points | #40 / #5 |
| Heat pump break-even COP | 4.44 | 2.16 | +2.28 | #6 / #41 |
| Price change 2024 to 2025 | +2.7% | +10.7% | -8.0 points | #39 / #5 |
| Major-event outage minutes | 92 | 405 | -313 | #37 / #11 |
| Solar output per kW | 1,371 | 1,062 | +309 | #27 / #50 |
| Homes on retail supply | 0.0% | 0.0% | +0.0 points | #25 / #48 |
| Median household income | $74,636 | $94,952 | -$20,316 | #30 / #8 |
| Heating degree-days, normal year | 6,869 | 5,610 | +1,259 | #12 / #24 |
31 measures compared for Idaho and Washington; the CSV holds the 9 widest.
CSVIdaho and Washington: price over time
Home price, Idaho and Washington, 2010 to 2025: 16 rows
| Year | Idaho | Washington | Gap to U.S. |
|---|---|---|---|
| 2010 | 7.99 | 8.04 | -3.55 |
| 2011 | 7.87 | 8.28 | -3.85 |
| 2012 | 8.67 | 8.53 | -3.21 |
| 2013 | 9.32 | 8.70 | -2.81 |
| 2014 | 9.72 | 8.67 | -2.80 |
| 2015 | 9.93 | 9.09 | -2.72 |
| 2016 | 9.95 | 9.48 | -2.60 |
| 2017 | 10.04 | 9.66 | -2.85 |
| 2018 | 10.15 | 9.75 | -2.72 |
| 2019 | 9.89 | 9.71 | -3.12 |
| 2020 | 9.95 | 9.87 | -3.20 |
| 2021 | 10.16 | 10.11 | -3.50 |
| 2022 | 10.37 | 10.26 | -4.67 |
| 2023 | 11.05 | 10.98 | -4.95 |
| 2024 | 11.52 | 11.90 | -4.96 |
| 2025 | 11.83 | 13.17 | -5.40 |
Idaho 7.99 to 11.83 ¢ and Washington 8.04 to 13.17 ¢ between 2010 and 2025 (EIA).
CSVTypical bill by month, Idaho and Washington: 12 rows
| Month | Idaho | Washington |
|---|---|---|
| Jan | 138 | 159 |
| Feb | 124 | 156 |
| Mar | 109 | 140 |
| Apr | 91 | 112 |
| May | 89 | 103 |
| Jun | 103 | 102 |
| Jul | 130 | 117 |
| Aug | 120 | 115 |
| Sep | 98 | 102 |
| Oct | 92 | 109 |
| Nov | 105 | 123 |
| Dec | 126 | 156 |
Monthly typical bill: $89 to $138 in Idaho, $102 to $159 in Washington.
CSVYour bill in Idaho and in Washington
Idaho and Washington on the map
Where Idaho and Washington are alike
- Average home use, kWh a month: 933 and 945
- Bill as share of income: 1.77% and 1.57%
- CO2 per MWh of generation, lb: 313 and 265
- Clean share with nuclear: 68.5% and 80.8%
- Hydro share of generation: 43.6% and 63.6%
Sources and dates: data sources.
Questions
Is Idaho or Washington higher on price change since 2015?
Washington, by 25.8 points; they rank #45 and #8 of 51.
Is Idaho or Washington higher on heat pump saving on gas?
Washington, by 76.0 points; they rank #40 and #5 of 45.
Is Idaho or Washington higher on heat pump break-even COP?
Idaho, by 2.28; they rank #6 and #41 of 45.
Is Idaho or Washington higher on price change 2024 to 2025?
Washington, by 8.0 points; they rank #39 and #5 of 51.
Is Idaho or Washington higher on major-event outage minutes?
Washington, by 313; they rank #37 and #11 of 47.
What would 874 kWh a month cost in Idaho and in Washington?
Idaho $103, Washington $115: $12 apart, energy only.
Where do Idaho and Washington match most closely?
average home use, kWh a month (933 and 945); bill as share of income (1.77% and 1.57%); CO2 per mwh of generation, lb (313 and 265).