Cost to Run a Dehumidifier in Washington, D.C.
Washington, D.C.'s average residential electricity rate is 25.4¢/kWh as of April 2026 — the 42nd cheapest in the country, 35% above the U.S. average. At typical usage (10 hours/day), a dehumidifier here costs $38.61 per month.
Per hour
$0.13
at 300–700 W
Per day
$1.27
10 hours/day
Per month
$38.61
152 kWh
Per year
$464
1,825 kWh
By usage level in Washington, D.C.
| Usage | Per day | Per month | Per year |
|---|---|---|---|
| Light (5 hrs/day) | $0.64 | $19.30 | $232 |
| Typical (10 hrs/day) | $1.27 | $38.61 | $464 |
| Heavy (20 hrs/day) | $2.54 | $77.22 | $927 |
Washington, D.C. vs. the rest of the country
Monthly cost at typical usage.
Frequently asked questions
How much does it cost to run a dehumidifier in Washington, D.C.?
At Washington, D.C.'s current average residential rate of 25.4¢/kWh (April 2026), a dehumidifier with typical usage costs about $1.27 per day, $38.61 per month, or $464 per year.
Is running a dehumidifier in Washington, D.C. more expensive than average?
Yes. Washington, D.C.'s electricity costs about 35% more than the U.S. average, so the same usage costs $38.61 per month here versus $28.58 nationally.
What does electricity cost in Washington, D.C. right now?
Washington, D.C. residents pay an average of 25.4¢ per kWh as of April 2026 — the 42nd cheapest rate of the 51 U.S. jurisdictions we track.