Cost to Run a Dehumidifier in Montana
Montana's average residential electricity rate is 13.9¢/kWh as of April 2026 — the 7th cheapest in the country, 26% below the U.S. average. At typical usage (10 hours/day), a dehumidifier here costs $21.13 per month.
Per hour
7.0¢
at 300–700 W
Per day
$0.70
10 hours/day
Per month
$21.13
152 kWh
Per year
$254
1,825 kWh
By usage level in Montana
| Usage | Per day | Per month | Per year |
|---|---|---|---|
| Light (5 hrs/day) | $0.35 | $10.56 | $127 |
| Typical (10 hrs/day) | $0.70 | $21.13 | $254 |
| Heavy (20 hrs/day) | $1.39 | $42.26 | $507 |
Montana vs. the rest of the country
Monthly cost at typical usage.
Frequently asked questions
How much does it cost to run a dehumidifier in Montana?
At Montana's current average residential rate of 13.9¢/kWh (April 2026), a dehumidifier with typical usage costs about $0.70 per day, $21.13 per month, or $254 per year.
Is running a dehumidifier in Montana more expensive than average?
No — it's cheaper. Montana's rate is about 26% below the U.S. average: $21.13 per month here versus $28.58 nationally.
What does electricity cost in Montana right now?
Montana residents pay an average of 13.9¢ per kWh as of April 2026 — the 7th cheapest rate of the 51 U.S. jurisdictions we track.