Is electricity expensive in Washington?

Washington's residential average of 14.9¢/kWh is 19% below the U.S. average of 18.3¢/kWh, ranking 13 of 51 jurisdictions (1 = cheapest).

What's the cheapest dehumidifier to run in Washington?

Among currently certified models, the CONCETTA AS-CSJ72XK-2WT-OL costs the least at about $16 a year at Washington rates (105 kWh/yr).

How does Washington compare with other states?

The same median dehumidifier costs $44 a year in Nevada (the cheapest state) and $178 in Hawaii (the priciest). Washington sits at $50.

Data through June 2026

Cost to run · Washington · 14.9¢/kWh residential average

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

$50/yr · median certified model

Washington's 14.9¢/kWh rate undercuts the national average by 19%, so the typical certified dehumidifier costs roughly $50 a year here instead of $62.

In the national ranking, Washington lands at 13 of 51 for what a dehumidifier costs to run. Model choice matters as much as geography: at Washington rates the most efficient certified model (CONCETTA AS-CSJ72XK-2WT-OL) costs $16 a year while the most power-hungry (Healthy Climate HCWHD#-130) costs $419 — a spread of $403 every year. For reference, the national extremes are Nevada (13.1¢/kWh) and Hawaii (52.7¢/kWh); the same median dehumidifier would cost $44 and $178 a year there.

Washington

$50

US average

$62

Nevada

$44

Hawaii

$178

Median certified dehumidifier (338 kWh/yr) per year, at each rate

The cheapest dehumidifiers to run at Washington rates

Top 10 by certified kWh, priced at 14.9¢/kWh
#	Model	kWh/yr	$/yr in WA
1	CONCETTA AS-CSJ72XK-2WT-OLmost efficient	105	$16
2	Dr. Prepare DDH12LAmost efficient	105	$16
3	DUMOS AS-CSJ72XK-2WT-OLmost efficient	105	$16
4	edx AS-CSJ72XK-2WT-OLmost efficient	105	$16
5	Gianna AS-CSJ72XK-2WT-OLmost efficient	105	$16
6	IULULU AS-CSJ72XK-2WT-OLmost efficient	105	$16
7	JIOABL AS-CSJ72XK-2WT-OLmost efficient	105	$16
8	KMFurnila AS-CSJ72XK-2WT-OLmost efficient	105	$16
9	NEWBULIG AS-CSJ72XK-2WT-OLmost efficient	105	$16
10	OLIXIS AS-CSJ72XK-2WT-OLmost efficient	105	$16

Price any model at Washington rates

Your rate, your numbers

Annual use (kWh)

Electricity rate

Per day: 14¢
Per month: $4.20
Per year: $50

338 kWh/yr × 14.9¢/kWh = $50/yr

Prefilled with the median certified dehumidifier (338 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 Washington?: About $50 a year for the median ENERGY STAR certified dehumidifier, at Washington's average residential rate of 14.9¢/kWh — that's $4.20 a month.
Is electricity expensive in Washington?: Washington's residential average of 14.9¢/kWh is 19% below the U.S. average of 18.3¢/kWh, ranking 13 of 51 jurisdictions (1 = cheapest).
What's the cheapest dehumidifier to run in Washington?: Among currently certified models, the CONCETTA AS-CSJ72XK-2WT-OL costs the least at about $16 a year at Washington rates (105 kWh/yr).
How does Washington compare with other states?: The same median dehumidifier costs $44 a year in Nevada (the cheapest state) and $178 in Hawaii (the priciest). Washington sits at $50.

Keep digging

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