WattCost

Data through April 2026

Cost to run · Maryland · 22.1¢/kWh residential average

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

$53/yr · median certified model

Maryland pays 22.1¢/kWh for residential power — 17% above the national average — lifting the median certified dishwasher to about $53 a year, versus $45 nationally.

Maryland ranks 39 of 51 jurisdictions for dishwasher running costs — solidly mid-table. Model choice matters as much as geography: at Maryland rates the most efficient certified model (Loch L1126) costs $18 a year while the most power-hungry (Amana ADFS2524R) costs $53 — a spread of $35 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.

Maryland
$53
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 Maryland rates

Price any model at Maryland rates

Your rate, your numbers

Per day
14¢
Per month
$4.40
Per year
$53

239 kWh/yr × 22.1¢/kWh = $53/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 Maryland?
About $53 a year for the median ENERGY STAR certified dishwasher, at Maryland's average residential rate of 22.1¢/kWh — that's $4.40 a month.
Is electricity expensive in Maryland?
Maryland's residential average of 22.1¢/kWh is 17% above the U.S. average of 18.8¢/kWh, ranking 39 of 51 jurisdictions (1 = cheapest).
What's the cheapest dishwasher to run in Maryland?
Among currently certified models, the Loch L1126 costs the least at about $18 a year at Maryland rates (80 kWh/yr).
How does Maryland compare with other states?
The same median dishwasher costs $30 a year in North Dakota (the cheapest state) and $111 in Hawaii (the priciest). Maryland sits at $53.

Keep digging

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