Billowatt

Cost to Run a Dehumidifier in Idaho

Idaho's average residential electricity rate is 13.7¢/kWh as of July 2026 — the 5th cheapest in the country, 25% below the U.S. average. At typical usage (10 hours/day), a dehumidifier here costs $20.82 per month.

Per hour

6.8¢

at 300–700 W

Per day

$0.68

10 hours/day

Per month

$20.82

152 kWh

Per year

$250

1,825 kWh

By usage level in Idaho

Usage Per day Per month Per year
Light (5 hrs/day) $0.34 $10.41 $125
Typical (10 hrs/day) $0.68 $20.82 $250
Heavy (20 hrs/day) $1.37 $41.65 $500

Idaho vs. the rest of the country

Monthly cost at typical usage.

Idaho $20.82
West average $30.24
U.S. average $27.82

Frequently asked questions

How much does it cost to run a dehumidifier in Idaho?

At Idaho's current average residential rate of 13.7¢/kWh (July 2026), a dehumidifier with typical usage costs about $0.68 per day, $20.82 per month, or $250 per year.

Is running a dehumidifier in Idaho more expensive than average?

No — it's cheaper. Idaho's rate is about 25% below the U.S. average: $20.82 per month here versus $27.82 nationally.

What does electricity cost in Idaho right now?

Idaho residents pay an average of 13.7¢ per kWh as of July 2026 — the 5th cheapest rate of the 51 U.S. jurisdictions we track.

Dehumidifier costs in nearby states

What else costs to run in Idaho

See the full Idaho electricity cost guide →