WattCost

Data through June 2026

Running cost · Refrigerators · ENERGY STAR certified

Miele KFN 7734 D

Running around the clock, the Miele KFN 7734 D uses a certified 300 kWh per year — about $55 at the U.S. average rate, or $4.58 a month, the equivalent of a steady 34-watt draw. That puts it in the most efficient tenth of every certified bottom-freezer refrigerator — 47% less electricity than the median, ranked 17 of 1478. The same unit costs $39 a year in Nevada but $158 in Hawaii — electricity rates, not the appliance, make the difference. It also meets ENERGY STAR's stricter “Most Efficient” criteria.

Uses 31% less energy than the U.S. federal minimum

Dimensions 70" H × 22" W

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

$55/yr

$7.70 · cheapest certified refrigerators$148 · priciest
Per month
$4.58
Per day
15¢
Certified use
300 kWh/yr
Configuration
Bottom Freezer
Total capacity
8.9 cu ft
Defrost
Automatic
Ice maker
No
Through-door dispenser
No
42 kWh805 kWh
Where the Miele KFN 7734 D (▮) sits among all 4,371 certified refrigerators, by annual kWh

What it costs in every state

Miele KFN 7734 D: 300 kWh/yr × each state's average residential rate (EIA)
StateRate ¢/kWhThis model $/yrRelative cost
Alabama16.4¢$49
Alaska28.2¢$85
Arizona15.2¢$46
Arkansas14.1¢$42
California34.7¢$104
Colorado17.1¢$51
Connecticut24.3¢$73
Delaware19.3¢$58
District of Columbia24.4¢$73
Florida15.1¢$45
Georgia16.4¢$49
Hawaiipriciest52.7¢$158
Idaho14.4¢$43
Illinois19.9¢$60
Indiana17.5¢$53
Iowa15.9¢$48
Kansas15.7¢$47
Kentucky14.3¢$43
Louisiana13.5¢$40
Maine29.6¢$89
Maryland21.8¢$66
Massachusetts29.6¢$89
Michigan23.0¢$69
Minnesota17.5¢$53
Mississippi14.9¢$45
Missouri16.2¢$49
Montana15.1¢$45
Nebraska13.3¢$40
Nevadacheapest13.1¢$39
New Hampshire27.0¢$81
New Jersey24.9¢$75
New Mexico15.1¢$45
New York29.5¢$88
North Carolina14.7¢$44
North Dakota14.1¢$42
Ohio19.2¢$58
Oklahoma14.3¢$43
Oregon16.3¢$49
Pennsylvania21.7¢$65
Rhode Island29.2¢$88
South Carolina15.6¢$47
South Dakota15.4¢$46
Tennessee14.1¢$42
Texas15.9¢$48
Utah13.4¢$40
Vermont24.4¢$73
Virginia17.2¢$52
Washington14.9¢$45
West Virginia15.4¢$46
Wisconsin19.6¢$59
Wyoming15.2¢$46

Certified models closest in efficiency

bottom-freezer refrigerators within reach of 300 kWh/yr
ModelkWh/yr$/yr (US avg)
Liebherr ICS5100most efficient300$55
Liebherr ICS5101most efficient300$55
Liebherr SC5781most efficient300$55
Miele KFN 7784 Dmost efficient300$55
LG LB12C2000most efficient298$55
Liebherr C7620most efficient305$56

Run your own numbers

Your rate, your numbers

Per day
15¢
Per month
$4.58
Per year
$55

300 kWh/yr × 18.3¢/kWh = $55/yr

Prefilled with this model's certified 300 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 KFN 7734 D use?
ENERGY STAR certifies the Miele KFN 7734 D at 300 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 KFN 7734 D cost to run per month?
About $4.58 a month at the U.S. average residential rate (18.3¢/kWh) — 15¢ a day, or $55 a year. Your state's rate moves this up or down; see the table above.
Is the Miele KFN 7734 D energy efficient?
It uses 47% less electricity than the median certified bottom-freezer refrigerator, placing it in the top 10% of certified models. It also meets ENERGY STAR's Most Efficient criteria.
What does the Miele KFN 7734 D cost to run in the cheapest vs. priciest state?
At current residential rates it costs about $39 a year in Nevada (13.1¢/kWh) and $158 in Hawaii (52.7¢/kWh).
How many watts does the Miele KFN 7734 D draw on average?
Spread over a year of continuous operation, 300 kWh works out to an average draw of about 34 watts — like leaving a 34-watt bulb on 24/7.

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