Cost to Run a Dehumidifier in Idaho
Idaho's average residential electricity rate is 12.4¢/kWh as of May 2026 — the 1st cheapest in the country, 33% below the U.S. average. At typical usage (10 hours/day), a dehumidifier here costs $18.85 per month.
Per hour
6.2¢
at 300–700 W
Per day
$0.62
10 hours/day
Per month
$18.85
152 kWh
Per year
$226
1,825 kWh
By usage level in Idaho
| Usage | Per day | Per month | Per year |
|---|---|---|---|
| Light (5 hrs/day) | $0.31 | $9.42 | $113 |
| Typical (10 hrs/day) | $0.62 | $18.85 | $226 |
| Heavy (20 hrs/day) | $1.24 | $37.70 | $453 |
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 12.4¢/kWh (May 2026), a dehumidifier with typical usage costs about $0.62 per day, $18.85 per month, or $226 per year.
Is running a dehumidifier in Idaho more expensive than average?
No — it's cheaper. Idaho's rate is about 33% below the U.S. average: $18.85 per month here versus $27.97 nationally.
What does electricity cost in Idaho right now?
Idaho residents pay an average of 12.4¢ per kWh as of May 2026 — the 1st cheapest rate of the 51 U.S. jurisdictions we track.