WattCost

Data through June 2026

Cost to run · Delaware · 19.3¢/kWh residential average

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

$46/yr · median certified model

Delaware's residential rate of 19.3¢/kWh tracks the national average (18.3¢) closely, so national cost figures translate almost directly: a median certified dishwasher runs about $46 a year here.

In the national ranking, Delaware lands at 34 of 51 for what a dishwasher costs to run. Model choice matters as much as geography: at Delaware rates the most efficient certified model (Loch L1126) costs $15 a year while the most power-hungry (Amana ADFS2524R) costs $46 — a spread of $31 every year. For reference, the national extremes are Nevada (13.1¢/kWh) and Hawaii (52.7¢/kWh); the same median dishwasher would cost $31 and $126 a year there.

Delaware
$46
US average
$44
Nevada
$31
Hawaii
$126
Median certified dishwasher (239 kWh/yr) per year, at each rate

The cheapest dishwashers to run at Delaware rates

Price any model at Delaware rates

Your rate, your numbers

Per day
13¢
Per month
$3.84
Per year
$46

239 kWh/yr × 19.3¢/kWh = $46/yr

Prefilled with the median certified dishwasher (239 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 dishwasher in Delaware?
About $46 a year for the median ENERGY STAR certified dishwasher, at Delaware's average residential rate of 19.3¢/kWh — that's $3.84 a month.
Is electricity expensive in Delaware?
Delaware's residential average of 19.3¢/kWh is 5% above the U.S. average of 18.3¢/kWh, ranking 34 of 51 jurisdictions (1 = cheapest).
What's the cheapest dishwasher to run in Delaware?
Among currently certified models, the Loch L1126 costs the least at about $15 a year at Delaware rates (80 kWh/yr).
How does Delaware compare with other states?
The same median dishwasher costs $31 a year in Nevada (the cheapest state) and $126 in Hawaii (the priciest). Delaware sits at $46.

Keep digging

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