Cost to Run a Dehumidifier in Idaho
Idaho's average residential electricity rate is 12.7¢/kWh as of April 2026 — the 2nd cheapest in the country, 32% below the U.S. average. At typical usage (10 hours/day), a dehumidifier here costs $19.30 per month.
Per hour
6.3¢
at 300–700 W
Per day
$0.64
10 hours/day
Per month
$19.30
152 kWh
Per year
$232
1,825 kWh
By usage level in Idaho
| Usage | Per day | Per month | Per year |
|---|---|---|---|
| Light (5 hrs/day) | $0.32 | $9.65 | $116 |
| Typical (10 hrs/day) | $0.64 | $19.30 | $232 |
| Heavy (20 hrs/day) | $1.27 | $38.61 | $464 |
Idaho vs. the rest of the country
Monthly cost at typical usage.
Frequently asked questions
How much does it cost to run a dehumidifier in Idaho?
At Idaho's current average residential rate of 12.7¢/kWh (April 2026), a dehumidifier with typical usage costs about $0.64 per day, $19.30 per month, or $232 per year.
Is running a dehumidifier in Idaho more expensive than average?
No — it's cheaper. Idaho's rate is about 32% below the U.S. average: $19.30 per month here versus $28.58 nationally.
What does electricity cost in Idaho right now?
Idaho residents pay an average of 12.7¢ per kWh as of April 2026 — the 2nd cheapest rate of the 51 U.S. jurisdictions we track.