Cost to Run a Dehumidifier in Maryland
Maryland's average residential electricity rate is 21.8¢/kWh as of May 2026 — the 37th cheapest in the country, 18% above the U.S. average. At typical usage (10 hours/day), a dehumidifier here costs $33.14 per month.
Per hour
$0.11
at 300–700 W
Per day
$1.09
10 hours/day
Per month
$33.14
152 kWh
Per year
$398
1,825 kWh
By usage level in Maryland
| Usage | Per day | Per month | Per year |
|---|---|---|---|
| Light (5 hrs/day) | $0.55 | $16.57 | $199 |
| Typical (10 hrs/day) | $1.09 | $33.14 | $398 |
| Heavy (20 hrs/day) | $2.18 | $66.27 | $796 |
Maryland vs. the rest of the country
Monthly cost at typical usage.
Frequently asked questions
How much does it cost to run a dehumidifier in Maryland?
At Maryland's current average residential rate of 21.8¢/kWh (May 2026), a dehumidifier with typical usage costs about $1.09 per day, $33.14 per month, or $398 per year.
Is running a dehumidifier in Maryland more expensive than average?
Yes. Maryland's electricity costs about 18% more than the U.S. average, so the same usage costs $33.14 per month here versus $27.97 nationally.
What does electricity cost in Maryland right now?
Maryland residents pay an average of 21.8¢ per kWh as of May 2026 — the 37th cheapest rate of the 51 U.S. jurisdictions we track.