WattCost

Data through June 2026

Cost to run · Oklahoma · 14.3¢/kWh residential average

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

$34/yr · median certified model

Residential electricity in Oklahoma runs 14.3¢/kWh — 22% under the U.S. average — putting the median certified dishwasher at about $34 a year, versus $44 nationally.

In the national ranking, Oklahoma lands at 9 of 51 for what a dishwasher costs to run. Model choice matters as much as geography: at Oklahoma rates the most efficient certified model (Loch L1126) costs $11 a year while the most power-hungry (Amana ADFS2524R) costs $34 — a spread of $23 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.

Oklahoma
$34
US average
$44
Nevada
$31
Hawaii
$126
Median certified dishwasher (239 kWh/yr) per year, at each rate

The cheapest dishwashers to run at Oklahoma rates

Price any model at Oklahoma rates

Your rate, your numbers

Per day
9¢
Per month
$2.85
Per year
$34

239 kWh/yr × 14.3¢/kWh = $34/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 Oklahoma?
About $34 a year for the median ENERGY STAR certified dishwasher, at Oklahoma's average residential rate of 14.3¢/kWh — that's $2.85 a month.
Is electricity expensive in Oklahoma?
Oklahoma's residential average of 14.3¢/kWh is 22% below the U.S. average of 18.3¢/kWh, ranking 9 of 51 jurisdictions (1 = cheapest).
What's the cheapest dishwasher to run in Oklahoma?
Among currently certified models, the Loch L1126 costs the least at about $11 a year at Oklahoma rates (80 kWh/yr).
How does Oklahoma compare with other states?
The same median dishwasher costs $31 a year in Nevada (the cheapest state) and $126 in Hawaii (the priciest). Oklahoma sits at $34.

Keep digging

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