Idaho electricity prices
West region · residential average · EIA Electric Power Monthly March 2026
Residential electricity in Idaho averages 13.01¢/kWh (EIA, March 2026), which is -29.9% versus the US average of 18.56¢ — among the lowest residential rates in the country. That makes it the #50 of 51 state by price (1 = most expensive). At this rate, a home using 1,000 kWh in a month pays about $130 for energy, and a 1,500 W space heater run 8 hours a day costs about $15.61/month.
Source: EIA Electric Power Monthly, Table 5.6.A (residential). Data as of June 2026.
Idaho electricity price at a glance
| Figure | Idaho |
|---|---|
| Residential price (EIA) | 13.01¢/kWh |
| Versus US average | -29.9% (US avg 18.56¢) |
| Price rank (1 = most expensive of 51) | #50 |
| Cost of 1,000 kWh/month | $130 |
Source: EIA Electric Power Monthly, Table 5.6.A (residential) (March 2026). Data as of June 2026.
Cost to run common appliances in Idaho
Monthly cost at typical usage, at the Idaho rate of 13.01¢/kWh, versus the US average:
| Appliance | In Idaho | US average |
|---|---|---|
| Electric space heater | $15.61 | $22.27 |
| Central air conditioner | $36.43 | $51.97 |
| Electric water heater (tank) | $53.42 | $76.21 |
| Refrigerator | $6.51 | $9.28 |
| Electric clothes dryer | $6.51 | $9.28 |
| EV charging (home, Level 2) | $43.37 | $61.87 |
Source: EIA Electric Power Monthly, Table 5.6.A (residential) (March 2026); DOE/ENERGY STAR typical wattage. Data as of June 2026.
Use the calculator to price any of the 36 appliances at the Idaho rate.
How Idaho compares
The five states with the closest electricity price to Idaho:
| State | Residential ¢/kWh | vs US avg |
|---|---|---|
| Idaho (this state) | 13.01¢ | -29.9% |
| Nebraska | 13.10¢ | -29.4% |
| Utah | 13.17¢ | -29.0% |
| Iowa | 13.42¢ | -27.7% |
| Missouri | 13.44¢ | -27.6% |
| Montana | 13.48¢ | -27.4% |
Frequently asked questions
What is the electricity rate in Idaho?
The average residential electricity price in Idaho is 13.01¢ per kWh (EIA Electric Power Monthly, March 2026), which is -29.9% versus the US average of 18.56¢, among the lowest residential rates in the country. It ranks #50 of 51 from most to least expensive.
Is electricity expensive in Idaho?
Idaho is among the cheapest on residential electricity at 13.01¢/kWh, among the lowest residential rates in the country. Your actual rate depends on your utility and plan; check your bill for your exact price per kWh.
How much does it cost to run a space heater in Idaho?
A 1,500 W space heater run 8 hours a day in Idaho costs about $15.61 per month at 13.01¢/kWh, versus $22.27 at the US average. Use the calculator for other appliances.
What is the average electricity bill in Idaho?
A home using 1,000 kWh in a month would pay about $130 for energy in Idaho at 13.01¢/kWh, before fixed charges, taxes and fees. Typical US household use is around 850 to 950 kWh/month.
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Sources & accuracy
Price: EIA Electric Power Monthly, Table 5.6.A (residential) (March 2026), residential average, US public domain. This is a statewide average — your utility's rate, plan and time-of-use pricing can differ. Appliance costs use DOE/ENERGY STAR typical wattage and are estimates (see methodology). Verify with your own bill before relying on these figures.
Last updated: 2026-06-20