WattCost

Data through April 2026

Cost to run · Delaware · 18.8¢/kWh residential average

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

$64/yr · median certified model

Delaware's residential rate of 18.8¢/kWh tracks the national average (18.8¢) closely, so national cost figures translate almost directly: a median certified dehumidifier runs about $64 a year here.

Delaware ranks 33 of 51 jurisdictions for dehumidifier running costs — solidly mid-table. Model choice matters as much as geography: at Delaware rates the most efficient certified model (CONCETTA AS-CSJ72XK-2WT-OL) costs $20 a year while the most power-hungry (Healthy Climate HCWHD#-130) costs $528 — a spread of $508 every year. For reference, the national extremes are North Dakota (12.3¢/kWh) and Hawaii (46.6¢/kWh); the same median dehumidifier would cost $42 and $160 a year there.

Delaware
$64
US average
$65
North Dakota
$42
Hawaii
$160
Median certified dehumidifier (343 kWh/yr) per year, at each rate

The cheapest dehumidifiers to run at Delaware rates

Top 10 by certified kWh, priced at 18.8¢/kWh
#ModelkWh/yr$/yr in DE
1CONCETTA AS-CSJ72XK-2WT-OLmost efficient105$20
2Dr. Prepare DDH12LAmost efficient105$20
3DUMOS AS-CSJ72XK-2WT-OLmost efficient105$20
4edx AS-CSJ72XK-2WT-OLmost efficient105$20
5Gianna AS-CSJ72XK-2WT-OLmost efficient105$20
6IULULU AS-CSJ72XK-2WT-OLmost efficient105$20
7JIOABL AS-CSJ72XK-2WT-OLmost efficient105$20
8KMFurnila AS-CSJ72XK-2WT-OLmost efficient105$20
9NEWBULIG AS-CSJ72XK-2WT-OLmost efficient105$20
10OLIXIS AS-CSJ72XK-2WT-OLmost efficient105$20

Price any model at Delaware rates

Your rate, your numbers

Per day
18¢
Per month
$5.37
Per year
$64

343 kWh/yr × 18.8¢/kWh = $64/yr

Prefilled with the median certified dehumidifier (343 kWh/yr). Every model page on this site carries its exact certified figure.

Questions, answered with the data

How much does it cost to run a dehumidifier in Delaware?
About $64 a year for the median ENERGY STAR certified dehumidifier, at Delaware's average residential rate of 18.8¢/kWh — that's $5.37 a month.
Is electricity expensive in Delaware?
Delaware's residential average of 18.8¢/kWh is 0% below the U.S. average of 18.8¢/kWh, ranking 33 of 51 jurisdictions (1 = cheapest).
What's the cheapest dehumidifier to run in Delaware?
Among currently certified models, the CONCETTA AS-CSJ72XK-2WT-OL costs the least at about $20 a year at Delaware rates (105 kWh/yr).
How does Delaware compare with other states?
The same median dehumidifier costs $42 a year in North Dakota (the cheapest state) and $160 in Hawaii (the priciest). Delaware sits at $64.

Keep digging

Rate source: US EIA, average residential price of electricity, see methodology.