Cost to Run a Dehumidifier in New Hampshire
New Hampshire's average residential electricity rate is 27.3¢/kWh as of May 2026 — the 43rd cheapest in the country, 48% above the U.S. average. At typical usage (10 hours/day), a dehumidifier here costs $41.50 per month.
Per hour
$0.14
at 300–700 W
Per day
$1.37
10 hours/day
Per month
$41.50
152 kWh
Per year
$498
1,825 kWh
By usage level in New Hampshire
| Usage | Per day | Per month | Per year |
|---|---|---|---|
| Light (5 hrs/day) | $0.68 | $20.75 | $249 |
| Typical (10 hrs/day) | $1.37 | $41.50 | $498 |
| Heavy (20 hrs/day) | $2.73 | $82.99 | $996 |
New Hampshire vs. the rest of the country
Monthly cost at typical usage.
Frequently asked questions
How much does it cost to run a dehumidifier in New Hampshire?
At New Hampshire's current average residential rate of 27.3¢/kWh (May 2026), a dehumidifier with typical usage costs about $1.37 per day, $41.50 per month, or $498 per year.
Is running a dehumidifier in New Hampshire more expensive than average?
Yes. New Hampshire's electricity costs about 48% more than the U.S. average, so the same usage costs $41.50 per month here versus $27.97 nationally.
What does electricity cost in New Hampshire right now?
New Hampshire residents pay an average of 27.3¢ per kWh as of May 2026 — the 43rd cheapest rate of the 51 U.S. jurisdictions we track.