Idaho Electricity Rates
Residential rate
12.70¢/kWh
-33% vs US average
Rank (most expensive)
#50
of 51 (incl. DC)
Est. monthly bill
$112
at the US-typical 880 kWh/month
What that rate means in practice
| Appliance (typical use) | Cost per month in Idaho |
|---|---|
| Space heater | $34.75 |
| Central air conditioner (3 ton) | $108.10 |
| Window AC unit | $27.80 |
| Portable AC unit | $33.98 |
| Electric water heater (tank) | $46.33 |
| Heat pump water heater | $11.58 |
| Electric clothes dryer | $11.58 |
| Washing machine | $0.97 |
| Dishwasher | $5.02 |
| Refrigerator (modern) | $4.63 |
| Chest freezer | $5.41 |
| Electric oven | $9.65 |
Typical wattages and durations, adjust them in the calculator.
Run your own numbers for Idaho
- Heat pump vs gas furnace, gas here currently costs about $0.86/therm
- EV home charging cost
- Solar payback under 2026 rules
- Idaho rebates that are still available
Rate source: EIA Electric Power Monthly, Table 5.6.A (residential average). Bills vary by utility and usage.