Billowatt

Cost to Run a Dehumidifier in Delaware

Delaware's average residential electricity rate is 19.4¢/kWh as of May 2026 — the 33rd cheapest in the country, 5% above the U.S. average. At typical usage (10 hours/day), a dehumidifier here costs $29.49 per month.

Per hour

$0.10

at 300–700 W

Per day

$0.97

10 hours/day

Per month

$29.49

152 kWh

Per year

$354

1,825 kWh

By usage level in Delaware

Usage Per day Per month Per year
Light (5 hrs/day) $0.48 $14.74 $177
Typical (10 hrs/day) $0.97 $29.49 $354
Heavy (20 hrs/day) $1.94 $58.98 $708

Delaware vs. the rest of the country

Monthly cost at typical usage.

Delaware $29.49
South average $25.41
U.S. average $27.97

Frequently asked questions

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

At Delaware's current average residential rate of 19.4¢/kWh (May 2026), a dehumidifier with typical usage costs about $0.97 per day, $29.49 per month, or $354 per year.

Is running a dehumidifier in Delaware more expensive than average?

Yes. Delaware's electricity costs about 5% more than the U.S. average, so the same usage costs $29.49 per month here versus $27.97 nationally.

What does electricity cost in Delaware right now?

Delaware residents pay an average of 19.4¢ per kWh as of May 2026 — the 33rd cheapest rate of the 51 U.S. jurisdictions we track.

Dehumidifier costs in nearby states

What else costs to run in Delaware

See the full Delaware electricity cost guide →