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 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 $30 a year in North Dakota (the cheapest state) and $111 in Hawaii (the priciest). Delaware sits at $45.

Data through April 2026

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

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

$45/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 dishwasher runs about $45 a year here.

In the national ranking, Delaware lands at 33 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 $45 — a spread of $30 every year. For reference, the national extremes are North Dakota (12.3¢/kWh) and Hawaii (46.6¢/kWh); the same median dishwasher would cost $30 and $111 a year there.

Delaware

$45

US average

$45

North Dakota

$30

Hawaii

$111

Median certified dishwasher (239 kWh/yr) per year, at each rate

The cheapest dishwashers to run at Delaware rates

Top 10 by certified kWh, priced at 18.8¢/kWh
#	Model	kWh/yr	$/yr in DE
1	Loch L1126	80	$15
2	Fisher & Paykel DD24STX6I1	114	$21
3	Fisher & Paykel DD24STX6PX1	114	$21
4	Fisher & Paykel DD24SAX9	134	$25
5	Fisher & Paykel DD24SCTX9	134	$25
6	Fisher & Paykel DD24SDFTX9	134	$25
7	Fisher & Paykel DD24SI9	134	$25
8	Fisher & Paykel DD24STI9	134	$25
9	Fisher & Paykel DD24SV2T9	134	$25
10	BLACK+DECKER BCD6SD	155	$29

Price any model at Delaware rates

Your rate, your numbers

Annual use (kWh)

Electricity rate

Per day: 12¢
Per month: $3.74
Per year: $45

239 kWh/yr × 18.8¢/kWh = $45/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 $45 a year for the median ENERGY STAR certified dishwasher, at Delaware's average residential rate of 18.8¢/kWh — that's $3.74 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 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 $30 a year in North Dakota (the cheapest state) and $111 in Hawaii (the priciest). Delaware sits at $45.

Keep digging

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