Cost to Run a Dehumidifier in Hawaii
Hawaii's average residential electricity rate is 48¢/kWh as of July 2026 — the 51st cheapest in the country, 162% above the U.S. average. At typical usage (10 hours/day), a dehumidifier here costs $72.96 per month.
Per hour
$0.24
at 300–700 W
Per day
$2.40
10 hours/day
Per month
$72.96
152 kWh
Per year
$876
1,825 kWh
By usage level in Hawaii
| Usage | Per day | Per month | Per year |
|---|---|---|---|
| Light (5 hrs/day) | $1.20 | $36.48 | $438 |
| Typical (10 hrs/day) | $2.40 | $72.96 | $876 |
| Heavy (20 hrs/day) | $4.80 | $146 | $1,752 |
Hawaii vs. the rest of the country
Monthly cost at typical usage.
Frequently asked questions
How much does it cost to run a dehumidifier in Hawaii?
At Hawaii's current average residential rate of 48¢/kWh (July 2026), a dehumidifier with typical usage costs about $2.40 per day, $72.96 per month, or $876 per year.
Is running a dehumidifier in Hawaii more expensive than average?
Yes. Hawaii's electricity costs about 162% more than the U.S. average, so the same usage costs $72.96 per month here versus $27.82 nationally.
What does electricity cost in Hawaii right now?
Hawaii residents pay an average of 48¢ per kWh as of July 2026 — the 51st cheapest rate of the 51 U.S. jurisdictions we track.