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How much does it cost to run a dishwasher?

A typical dishwasher uses 155–240 kilowatt-hours (kWh) a year, at about 18 loads a month.

What do you run?

Tap a row to edit it.

  • Type
    kWh a year
    How manyHow many

    It’s on the yellow EnergyGuide label.

    240 kWh a year ÷ 12 = 20.0 kWh · 20.0 kWh × 18.0¢ US average = $3.60 a month

    A kilowatt-hour (kWh) is 1,000 watts for one hour. It’s what your bill counts.

$4a month

$4 a month

About $43 a year, or 11.8¢ a day.

Estimate my billSee prices by state

How much power does each kind of dishwasher use?

A compact dishwasher uses about 35% less than a standard one.

  • Standard0.658 kWh a day · 27 W on average$3.60
  • Compact0.425 kWh a day · 18 W on average$2.32

ENERGY STAR · certified models · pulled Nov 3, 2026

Each row is the middle (median) ENERGY STAR model of its type.

What does a dishwasher cost to run in each state?

The same dishwasher costs more than three times as much in Hawaii as in North Dakota.

  1. Hawaii$8.86 · 44.3¢
  2. California$6.46 · 32.3¢
  3. Massachusetts$6.08 · 30.4¢
  4. Maine$5.92 · 29.6¢
  5. Rhode Island$5.88 · 29.4¢
  6. US average$3.60 · 18.0¢
  7. Idaho$2.56 · 12.8¢
  8. Nebraska$2.54 · 12.7¢
  9. North Dakota$2.46 · 12.3¢
See prices by state

A standard dishwasher (240 kWh a year) at each state’s average price.

State averages · last 12 months · US government data (EIA)

More in the kitchen

FAQ

Questions about dishwasher power

The middle ENERGY STAR standard dishwasher uses about 240 kilowatt-hours (kWh) a year, or 0.658 kWh a day. Across types, the middle models use 155–240 kWh a year.

Information as of Nov 2, 2026.

Our numbers come from US government data (EIA) and ENERGY STAR.

Dishwasher figures: ENERGY STAR Certified Residential Dishwashers (opens data.energystar.gov in a new tab) (pulled Nov 3, 2026); DOE test procedure, 10 CFR 430.23(c) (opens www.ecfr.gov in a new tab).

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