WattCost

Data through June 2026

Cost to run · Louisiana · 13.5¢/kWh residential average

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

$32/yr · median certified model

Louisiana's 13.5¢/kWh rate undercuts the national average by 26%, so the typical certified dishwasher costs roughly $32 a year here instead of $44.

Out of all 50 states plus D.C., Louisiana is the #4 cheapest place to run a dishwasher. Model choice matters as much as geography: at Louisiana rates the most efficient certified model (Loch L1126) costs $11 a year while the most power-hungry (Amana ADFS2524R) costs $32 — a spread of $22 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.

Louisiana
$32
US average
$44
Nevada
$31
Hawaii
$126
Median certified dishwasher (239 kWh/yr) per year, at each rate

The cheapest dishwashers to run at Louisiana rates

Price any model at Louisiana rates

Your rate, your numbers

Per day
9¢
Per month
$2.69
Per year
$32

239 kWh/yr × 13.5¢/kWh = $32/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 Louisiana?
About $32 a year for the median ENERGY STAR certified dishwasher, at Louisiana's average residential rate of 13.5¢/kWh — that's $2.69 a month.
Is electricity expensive in Louisiana?
Louisiana's residential average of 13.5¢/kWh is 26% below the U.S. average of 18.3¢/kWh, ranking 4 of 51 jurisdictions (1 = cheapest).
What's the cheapest dishwasher to run in Louisiana?
Among currently certified models, the Loch L1126 costs the least at about $11 a year at Louisiana rates (80 kWh/yr).
How does Louisiana compare with other states?
The same median dishwasher costs $31 a year in Nevada (the cheapest state) and $126 in Hawaii (the priciest). Louisiana sits at $32.

Keep digging

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