WattCost

Data through April 2026

Running cost · Refrigerators · ENERGY STAR certified

Miele KWT 6722 iS

Running around the clock, the Miele KWT 6722 iS uses a certified 155 kWh per year — about $29 at the U.S. average rate, or $2.43 a month, the equivalent of a steady 18-watt draw. Compared with the median certified cooler refrigerator, it uses 12% less electricity — rank 15 out of 48. The same unit costs $19 a year in North Dakota but $72 in Hawaii — electricity rates, not the appliance, make the difference.

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

$29/yr

$7.91 · cheapest certified refrigerators$152 · priciest
Per month
$2.43
Per day
8¢
Certified use
155 kWh/yr
Configuration
Cooler
Total capacity
9 cu ft
Ice maker
No
Through-door dispenser
No
42 kWh805 kWh
Where the Miele KWT 6722 iS (▮) sits among all 4,229 certified refrigerators, by annual kWh

What it costs in every state

Miele KWT 6722 iS: 155 kWh/yr × each state's average residential rate (EIA)
StateRate ¢/kWhThis model $/yrRelative cost
Alabama17.4¢$27
Alaska27.4¢$42
Arizona15.5¢$24
Arkansas14.2¢$22
California35.3¢$55
Colorado16.5¢$26
Connecticut32.2¢$50
Delaware18.8¢$29
District of Columbia25.4¢$39
Florida15.4¢$24
Georgia15.4¢$24
Hawaiipriciest46.6¢$72
Idaho12.7¢$20
Illinois20.5¢$32
Indiana17.9¢$28
Iowa13.9¢$21
Kansas15.8¢$24
Kentucky15.0¢$23
Louisiana14.4¢$22
Maine28.4¢$44
Maryland22.1¢$34
Massachusetts29.4¢$46
Michigan21.4¢$33
Minnesota16.4¢$25
Mississippi16.8¢$26
Missouri14.0¢$22
Montana13.9¢$22
Nebraska13.3¢$21
Nevada14.3¢$22
New Hampshire27.2¢$42
New Jersey23.5¢$36
New Mexico15.2¢$23
New York29.4¢$46
North Carolina16.3¢$25
North Dakotacheapest12.3¢$19
Ohio19.5¢$30
Oklahoma13.3¢$21
Oregon15.8¢$24
Pennsylvania21.5¢$33
Rhode Island28.3¢$44
South Carolina17.1¢$26
South Dakota14.5¢$23
Tennessee14.9¢$23
Texas17.0¢$26
Utah13.3¢$21
Vermont24.6¢$38
Virginia17.4¢$27
Washington14.4¢$22
West Virginia16.1¢$25
Wisconsin19.2¢$30
Wyoming14.7¢$23

Certified models closest in efficiency

cooler refrigerators within reach of 155 kWh/yr
ModelkWh/yr$/yr (US avg)
Liebherr HW 8000155$29
JennAir JBWFNL18RX153$29
JennAir JBWFNR18RX153$29
Gorenje VCS5297TPGVCS5297TPG159$30
Liebherr MW 1800150$28
Liebherr MW 1801150$28

Run your own numbers

Your rate, your numbers

Per day
8¢
Per month
$2.43
Per year
$29

155 kWh/yr × 18.8¢/kWh = $29/yr

Prefilled with this model's certified 155 kWh/yr — adjust if your usage differs from the DOE test basis. The certified annual kWh comes from the DOE test procedure, which measures continuous 24/7 operation at standardized temperatures — refrigerators never get a day off.

Questions, answered with the data

How much electricity does the Miele KWT 6722 iS use?
ENERGY STAR certifies the Miele KWT 6722 iS at 155 kWh per year. The certified annual kWh comes from the DOE test procedure, which measures continuous 24/7 operation at standardized temperatures — refrigerators never get a day off.
How much does the Miele KWT 6722 iS cost to run per month?
About $2.43 a month at the U.S. average residential rate (18.8¢/kWh) — 8¢ a day, or $29 a year. Your state's rate moves this up or down; see the table above.
Is the Miele KWT 6722 iS energy efficient?
It uses 12% less electricity than the median certified cooler refrigerator, placing it in the efficient third of certified models.
What does the Miele KWT 6722 iS cost to run in the cheapest vs. priciest state?
At current residential rates it costs about $19 a year in North Dakota (12.3¢/kWh) and $72 in Hawaii (46.6¢/kWh).
How many watts does the Miele KWT 6722 iS draw on average?
Spread over a year of continuous operation, 155 kWh works out to an average draw of about 18 watts — like leaving a 18-watt bulb on 24/7.

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