Cost to Run a Dehumidifier in Washington, D.C.
Washington, D.C.'s average residential electricity rate is 25.2¢/kWh as of July 2026 — the 42nd cheapest in the country, 38% above the U.S. average. At typical usage (10 hours/day), a dehumidifier here costs $38.30 per month.
Per hour
$0.13
at 300–700 W
Per day
$1.26
10 hours/day
Per month
$38.30
152 kWh
Per year
$460
1,825 kWh
By usage level in Washington, D.C.
| Usage | Per day | Per month | Per year |
|---|---|---|---|
| Light (5 hrs/day) | $0.63 | $19.15 | $230 |
| Typical (10 hrs/day) | $1.26 | $38.30 | $460 |
| Heavy (20 hrs/day) | $2.52 | $76.61 | $920 |
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 25.2¢/kWh (July 2026), a dehumidifier with typical usage costs about $1.26 per day, $38.30 per month, or $460 per year.
Is running a dehumidifier in Washington, D.C. more expensive than average?
Yes. Washington, D.C.'s electricity costs about 38% more than the U.S. average, so the same usage costs $38.30 per month here versus $27.82 nationally.
What does electricity cost in Washington, D.C. right now?
Washington, D.C. residents pay an average of 25.2¢ per kWh as of July 2026 — the 42nd cheapest rate of the 51 U.S. jurisdictions we track.