WattCost

Data through April 2026

Cost to run · Connecticut · 32.2¢/kWh residential average

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

$77/yr · median certified model

At 32.2¢/kWh, Connecticut ranks among the priciest states for power. The typical certified dishwasher runs about $77 annually here, which makes choosing an efficient model worth actual dollars, not rounding error.

Connecticut sits at rank 49 of 51 — near the very top of the cost table for a dishwasher. At local rates, certified models span $26 (Loch L1126) to $77 (Amana ADFS2524R) per year — $52 of annual headroom that depends entirely on which unit you buy. 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.

Connecticut
$77
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 Connecticut rates

Price any model at Connecticut rates

Your rate, your numbers

Per day
21¢
Per month
$6.42
Per year
$77

239 kWh/yr × 32.2¢/kWh = $77/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 Connecticut?
About $77 a year for the median ENERGY STAR certified dishwasher, at Connecticut's average residential rate of 32.2¢/kWh — that's $6.42 a month.
Is electricity expensive in Connecticut?
Connecticut's residential average of 32.2¢/kWh is 71% above the U.S. average of 18.8¢/kWh, ranking 49 of 51 jurisdictions (1 = cheapest).
What's the cheapest dishwasher to run in Connecticut?
Among currently certified models, the Loch L1126 costs the least at about $26 a year at Connecticut rates (80 kWh/yr).
How does Connecticut compare with other states?
The same median dishwasher costs $30 a year in North Dakota (the cheapest state) and $111 in Hawaii (the priciest). Connecticut sits at $77.

Keep digging

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