Dishwasher Electricity Calculator in Hawaii

A dishwasher in Hawaii costs about $20.98 a month ($255.24 a year) to run at the state's average rate of 46.62 ¢/kWh. Use this calculator to compare light, typical, and heavy use.

Hawaii average rate
46.62 ¢/kWh
Assumed wattage
1,500 W
Typical usage pattern
1 hours/day
Typical monthly cost
$20.98
Typical yearly cost
$255.24

Key metrics

MetricValue
Hawaii average rate46.62 ¢/kWh
Assumed wattage1,500 W
Typical usage pattern1 hours/day
Typical monthly cost$20.98
Typical yearly cost$255.24

Dishwasher in Hawaii vs U.S. benchmark

Hawaii monthly estimate
$20.98
U.S. monthly estimate
$8.69
Difference
+$12.28
State rate
46.62 ¢/kWh

Calculator assumptions

This calculator uses a typical wattage range of 1,200-1,800 W, and we assume 1,500 watts for 1 hours/day. The formula is kWh = (watts × hours) / 1000.

At this profile, the appliance uses 45.0 kWh per month and 547.5 kWh per year.

Appliance calculator scenarios

ScenarioHours/dayAnnual energyHawaii monthlyU.S. monthlyHawaii yearly
Light usage0.5 hours/day273.8 kWh$10.49$4.35$127.62
Typical usage1 hours/day547.5 kWh$20.98$8.69$255.24
Heavy usage3 hours/day1642.5 kWh$62.94$26.08$765.73

Appliance cost reference page

Want the full write-up? The appliance page below uses the same rate and wattage assumptions:

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Source & Method

Source: U.S. Energy Information Administration (EIA) Retail Sales of Electricity. Updated: April 2026. Estimates use the EIA all-in average residential rate — energy, delivery, fixed charges, and utility fees together, not just the electricity itself. Fees are inside the rate, not an extra on top; how your own bill splits fixed versus per-kWh charges varies by utility. For what's inside the all-in rate, see hidden electricity fees; for how rates and estimates are defined, see the methodology hub.

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