WattCost

Data through April 2026

Cost to run · South Carolina · 17.1¢/kWh residential average

How much does it cost to run a dishwasher in South Carolina?

$41/yr · median certified model

South Carolina's residential rate of 17.1¢/kWh tracks the national average (18.8¢) closely, so national cost figures translate almost directly: a median certified dishwasher runs about $41 a year here.

South Carolina ranks 29 of 51 jurisdictions for dishwasher running costs — solidly mid-table. Model choice matters as much as geography: at South Carolina rates the most efficient certified model (Loch L1126) costs $14 a year while the most power-hungry (Amana ADFS2524R) costs $41 — a spread of $27 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.

South Carolina
$41
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 South Carolina rates

Price any model at South Carolina rates

Your rate, your numbers

Per day
11¢
Per month
$3.40
Per year
$41

239 kWh/yr × 17.1¢/kWh = $41/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 South Carolina?
About $41 a year for the median ENERGY STAR certified dishwasher, at South Carolina's average residential rate of 17.1¢/kWh — that's $3.40 a month.
Is electricity expensive in South Carolina?
South Carolina's residential average of 17.1¢/kWh is 9% below the U.S. average of 18.8¢/kWh, ranking 29 of 51 jurisdictions (1 = cheapest).
What's the cheapest dishwasher to run in South Carolina?
Among currently certified models, the Loch L1126 costs the least at about $14 a year at South Carolina rates (80 kWh/yr).
How does South Carolina compare with other states?
The same median dishwasher costs $30 a year in North Dakota (the cheapest state) and $111 in Hawaii (the priciest). South Carolina sits at $41.

Keep digging

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