WattCost

Data through April 2026

Running cost · Dishwashers · ENERGY STAR certified

Cove DW2451

Across a standard year of loads (215 cycles under the DOE test), the Cove DW2451 uses 231 kWh — about $43 at the U.S. average electricity rate, or roughly 20¢ per load. Compared with the median certified dishwasher, it uses 3% less electricity — rank 173 out of 677. The same unit costs $29 a year in North Dakota but $108 in Hawaii — electricity rates, not the appliance, make the difference. Electricity is only part of the story for a dishwasher — check the water figure in the specs below.

Estimated annual running cost · U.S. average rate 18.8¢/kWh

$43/yr

$15 · cheapest certified dishwashers$45 · priciest
Per month
$3.62
Per day
12¢
Certified use
231 kWh/yr
Type
Standard
Capacity
10 place settings
Water use
3.2 gal/cycle
Tub material
Stainless Steel
Drying method
Fan-Assisted Dry
80 kWh240 kWh
Where the Cove DW2451 (▮) sits among all 677 certified dishwashers, by annual kWh

What it costs in every state

Cove DW2451: 231 kWh/yr × each state's average residential rate (EIA)
StateRate ¢/kWhThis model $/yrRelative cost
Alabama17.4¢$40
Alaska27.4¢$63
Arizona15.5¢$36
Arkansas14.2¢$33
California35.3¢$81
Colorado16.5¢$38
Connecticut32.2¢$74
Delaware18.8¢$43
District of Columbia25.4¢$59
Florida15.4¢$36
Georgia15.4¢$36
Hawaiipriciest46.6¢$108
Idaho12.7¢$29
Illinois20.5¢$47
Indiana17.9¢$41
Iowa13.9¢$32
Kansas15.8¢$36
Kentucky15.0¢$35
Louisiana14.4¢$33
Maine28.4¢$66
Maryland22.1¢$51
Massachusetts29.4¢$68
Michigan21.4¢$49
Minnesota16.4¢$38
Mississippi16.8¢$39
Missouri14.0¢$32
Montana13.9¢$32
Nebraska13.3¢$31
Nevada14.3¢$33
New Hampshire27.2¢$63
New Jersey23.5¢$54
New Mexico15.2¢$35
New York29.4¢$68
North Carolina16.3¢$38
North Dakotacheapest12.3¢$29
Ohio19.5¢$45
Oklahoma13.3¢$31
Oregon15.8¢$36
Pennsylvania21.5¢$50
Rhode Island28.3¢$65
South Carolina17.1¢$39
South Dakota14.5¢$34
Tennessee14.9¢$35
Texas17.0¢$39
Utah13.3¢$31
Vermont24.6¢$57
Virginia17.4¢$40
Washington14.4¢$33
West Virginia16.1¢$37
Wisconsin19.2¢$44
Wyoming14.7¢$34

Certified models closest in efficiency

dishwashers within reach of 231 kWh/yr
ModelkWh/yr$/yr (US avg)
Asko DBI786230$43
Asko DFI786230$43
Beko DDT38532230$43
Beko DDT39434230$43
Beko DIT38532230$43
Beko DIT39434230$43

Run your own numbers

Your rate, your numbers

Per day
12¢
Per month
$3.62
Per year
$43

231 kWh/yr × 18.8¢/kWh = $43/yr

Prefilled with this model's certified 231 kWh/yr — adjust if your usage differs from the DOE test basis. The certified annual kWh assumes 215 wash cycles per year (the DOE standard, roughly 4 loads a week) and includes the energy to heat water.

Questions, answered with the data

How much electricity does the Cove DW2451 use?
ENERGY STAR certifies the Cove DW2451 at 231 kWh per year. The certified annual kWh assumes 215 wash cycles per year (the DOE standard, roughly 4 loads a week) and includes the energy to heat water.
How much does the Cove DW2451 cost to run per month?
About $3.62 a month at the U.S. average residential rate (18.8¢/kWh) — 12¢ a day, or $43 a year. Your state's rate moves this up or down; see the table above.
Is the Cove DW2451 energy efficient?
It uses 3% less electricity than the median certified dishwasher, placing it in the efficient third of certified models.
What does the Cove DW2451 cost to run in the cheapest vs. priciest state?
At current residential rates it costs about $29 a year in North Dakota (12.3¢/kWh) and $108 in Hawaii (46.6¢/kWh).
What does one load cost with the Cove DW2451?
Roughly 20¢ per cycle at the U.S. average rate, based on the DOE test's 215 cycles a year.

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