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How Much Does a Dishwasher Cost to Run?

At the current U.S. average rate of 18.3¢/kWh (July 2026), a dishwasher costs about $4.77 per month at typical usage — 5 uses/week at 1.2 kWh each.

Per use

$0.22

1.2 kWh per use

Per day

$0.16

5 uses/week at 1.2 kWh each

Per month

$4.77

26 kWh

Per year

$57.25

313 kWh

A dishwasher cycle uses roughly 1–1.5 kWh, most of it for heating water and drying. Running full loads on a normal cycle beats hand-washing on both water and energy for most households.

Calculate it for your home

Per use

$0.22

Per day

$0.16

Per month

$4.77

Per year

$57.25

Uses 26 kWh/month at 18.3¢ per kWh.

Cheapest and most expensive states

Monthly cost at typical usage, using each state's current average residential rate.

Louisiana $3.31
Nevada $3.34
Utah $3.41
North Dakota $3.49
Idaho $3.57
U.S. average $4.77
New York $7.79
Maine $8.44
California $8.76
Hawaii $12.51

Cost in every state

State Rate (¢/kWh) Per use Per month Per year
Louisiana 12.7 $0.15 $3.31 $39.73
Nevada 12.8 $0.15 $3.34 $40.05
Utah 13.1 $0.16 $3.41 $40.98
North Dakota 13.4 $0.16 $3.49 $41.92
Idaho 13.7 $0.16 $3.57 $42.86
Tennessee 13.7 $0.16 $3.57 $42.86
Kentucky 13.8 $0.17 $3.60 $43.17
Nebraska 13.8 $0.17 $3.60 $43.17
Arkansas 14.3 $0.17 $3.73 $44.74
Oklahoma 14.4 $0.17 $3.75 $45.05
Wyoming 14.4 $0.17 $3.75 $45.05
Mississippi 14.5 $0.17 $3.78 $45.36
Washington 14.7 $0.18 $3.83 $45.99
Florida 15.0 $0.18 $3.91 $46.93
Montana 15.0 $0.18 $3.91 $46.93
North Carolina 15.2 $0.18 $3.96 $47.55
Kansas 15.3 $0.18 $3.99 $47.87
Arizona 15.4 $0.18 $4.01 $48.18
South Dakota 15.4 $0.18 $4.01 $48.18
South Carolina 15.5 $0.19 $4.04 $48.49
West Virginia 15.8 $0.19 $4.12 $49.43
Texas 15.9 $0.19 $4.14 $49.74
Iowa 16.0 $0.19 $4.17 $50.06
Oregon 16.0 $0.19 $4.17 $50.06
Missouri 16.1 $0.19 $4.20 $50.37
New Mexico 16.1 $0.19 $4.20 $50.37
Georgia 16.3 $0.20 $4.25 $51.00
Alabama 16.4 $0.20 $4.27 $51.31
Indiana 16.7 $0.20 $4.35 $52.25
Colorado 17.0 $0.20 $4.43 $53.19
Minnesota 17.5 $0.21 $4.56 $54.75
Virginia 17.6 $0.21 $4.59 $55.06
Delaware 18.5 $0.22 $4.82 $57.88
Wisconsin 19.1 $0.23 $4.98 $59.76
Illinois 19.2 $0.23 $5.00 $60.07
Ohio 19.5 $0.23 $5.08 $61.01
Maryland 21.4 $0.26 $5.58 $66.95
Pennsylvania 21.7 $0.26 $5.65 $67.89
Michigan 23.1 $0.28 $6.02 $72.27
Vermont 23.8 $0.29 $6.20 $74.46
Connecticut 24.2 $0.29 $6.31 $75.71
Washington, D.C. 25.2 $0.30 $6.57 $78.84
New Jersey 25.2 $0.30 $6.57 $78.84
New Hampshire 26.6 $0.32 $6.93 $83.22
Rhode Island 28.3 $0.34 $7.37 $88.54
Alaska 28.8 $0.35 $7.50 $90.10
New York 29.9 $0.36 $7.79 $93.54
Massachusetts 30.5 $0.37 $7.95 $95.42
Maine 32.4 $0.39 $8.44 $101
California 33.6 $0.40 $8.76 $105
Hawaii 48.0 $0.58 $12.51 $150

How to lower the cost

  • Skip heated dry — air-dry or crack the door and save roughly a third of the cycle's energy.
  • Run full loads; a half-full cycle costs the same as a full one.
  • If your utility has time-of-use rates, the delay-start button is free money.

Frequently asked questions

How much electricity does a dishwasher use?

A typical dishwasher uses about 1.2 kWh per use. At 5 uses per week, that's roughly 26 kWh per month.

How much does one use of a dishwasher cost?

At the current U.S. average rate of 18.3¢/kWh, each use costs about $0.22. That ranges from $0.15 in Louisiana to $0.58 in Hawaii.

How much does a dishwasher cost to run per month?

With typical usage (5 uses/week at 1.2 kWh each), expect about $4.77 per month at the U.S. average rate — from $3.31 in Louisiana up to $12.51 in Hawaii. Rates are as of July 2026.

Does a dishwasher use a lot of electricity?

It's a moderate load: roughly 3% of an average U.S. home's monthly consumption at typical usage. Noticeable, but not a bill-driver on its own.

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