WattCost

Data through June 2026

Running cost · Dishwashers · ENERGY STAR certified

Blomberg DWT 81900

The Blomberg DWT 81900 is certified at 225 kWh per year over the DOE test's 215 annual cycles, which comes to about $41 a year — call it 19¢ every time you run it. Compared with the median certified dishwasher, it uses 6% less electricity — rank 112 out of 697. The same unit costs $29 a year in Nevada but $119 in Hawaii — electricity rates, not the appliance, make the difference. It also meets ENERGY STAR's stricter “Most Efficient” criteria. Electricity is only part of the story for a dishwasher — check the water figure in the specs below.

Uses 9% less energy than the U.S. federal minimum

Dimensions 59.8" W × 57" D

Estimated annual running cost · U.S. average rate 18.3¢/kWh

$41/yr

$15 · cheapest certified dishwashers$44 · priciest
Per month
$3.44
Per day
11¢
Certified use
225 kWh/yr
Type
Standard
Capacity
12 place settings
Water use
2.37 gal/cycle
Tub material
Stainless Steel
Drying method
Fan-Assisted Dry
80 kWh240 kWh
Where the Blomberg DWT 81900 (▮) sits among all 697 certified dishwashers, by annual kWh

What it costs in every state

Blomberg DWT 81900: 225 kWh/yr × each state's average residential rate (EIA)
StateRate ¢/kWhThis model $/yrRelative cost
Alabama16.4¢$37
Alaska28.2¢$63
Arizona15.2¢$34
Arkansas14.1¢$32
California34.7¢$78
Colorado17.1¢$39
Connecticut24.3¢$55
Delaware19.3¢$43
District of Columbia24.4¢$55
Florida15.1¢$34
Georgia16.4¢$37
Hawaiipriciest52.7¢$119
Idaho14.4¢$32
Illinois19.9¢$45
Indiana17.5¢$39
Iowa15.9¢$36
Kansas15.7¢$35
Kentucky14.3¢$32
Louisiana13.5¢$30
Maine29.6¢$67
Maryland21.8¢$49
Massachusetts29.6¢$67
Michigan23.0¢$52
Minnesota17.5¢$39
Mississippi14.9¢$33
Missouri16.2¢$36
Montana15.1¢$34
Nebraska13.3¢$30
Nevadacheapest13.1¢$29
New Hampshire27.0¢$61
New Jersey24.9¢$56
New Mexico15.1¢$34
New York29.5¢$66
North Carolina14.7¢$33
North Dakota14.1¢$32
Ohio19.2¢$43
Oklahoma14.3¢$32
Oregon16.3¢$37
Pennsylvania21.7¢$49
Rhode Island29.2¢$66
South Carolina15.6¢$35
South Dakota15.4¢$35
Tennessee14.1¢$32
Texas15.9¢$36
Utah13.4¢$30
Vermont24.4¢$55
Virginia17.2¢$39
Washington14.9¢$34
West Virginia15.4¢$35
Wisconsin19.6¢$44
Wyoming15.2¢$34

Certified models closest in efficiency

dishwashers within reach of 225 kWh/yr
ModelkWh/yr$/yr (US avg)
Beko BDDDT48340most efficient225$41
Beko BDDDT49340most efficient225$41
Beko BDDIT48340most efficient225$41
Beko BDDIT49340most efficient225$41
Beko DDT38530most efficient225$41
Beko DUT36520most efficient225$41

Run your own numbers

Your rate, your numbers

Per day
11¢
Per month
$3.44
Per year
$41

225 kWh/yr × 18.3¢/kWh = $41/yr

Prefilled with this model's certified 225 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 Blomberg DWT 81900 use?
ENERGY STAR certifies the Blomberg DWT 81900 at 225 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 Blomberg DWT 81900 cost to run per month?
About $3.44 a month at the U.S. average residential rate (18.3¢/kWh) — 11¢ a day, or $41 a year. Your state's rate moves this up or down; see the table above.
Is the Blomberg DWT 81900 energy efficient?
It uses 6% less electricity than the median certified dishwasher, placing it in the efficient third of certified models. It also meets ENERGY STAR's Most Efficient criteria.
What does the Blomberg DWT 81900 cost to run in the cheapest vs. priciest state?
At current residential rates it costs about $29 a year in Nevada (13.1¢/kWh) and $119 in Hawaii (52.7¢/kWh).
What does one load cost with the Blomberg DWT 81900?
Roughly 19¢ per cycle at the U.S. average rate, based on the DOE test's 215 cycles a year.

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