Billowatt

Cost to Run a Dehumidifier in Maryland

Maryland's average residential electricity rate is 21.4¢/kWh as of July 2026 — the 37th cheapest in the country, 17% above the U.S. average. At typical usage (10 hours/day), a dehumidifier here costs $32.53 per month.

Per hour

$0.11

at 300–700 W

Per day

$1.07

10 hours/day

Per month

$32.53

152 kWh

Per year

$391

1,825 kWh

By usage level in Maryland

Usage Per day Per month Per year
Light (5 hrs/day) $0.54 $16.26 $195
Typical (10 hrs/day) $1.07 $32.53 $391
Heavy (20 hrs/day) $2.14 $65.06 $781

Maryland vs. the rest of the country

Monthly cost at typical usage.

Maryland $32.53
South average $24.70
U.S. average $27.82

Frequently asked questions

How much does it cost to run a dehumidifier in Maryland?

At Maryland's current average residential rate of 21.4¢/kWh (July 2026), a dehumidifier with typical usage costs about $1.07 per day, $32.53 per month, or $391 per year.

Is running a dehumidifier in Maryland more expensive than average?

Yes. Maryland's electricity costs about 17% more than the U.S. average, so the same usage costs $32.53 per month here versus $27.82 nationally.

What does electricity cost in Maryland right now?

Maryland residents pay an average of 21.4¢ per kWh as of July 2026 — the 37th cheapest rate of the 51 U.S. jurisdictions we track.

Dehumidifier costs in nearby states

What else costs to run in Maryland

See the full Maryland electricity cost guide →