WattCost

Data through April 2026

Running cost · Refrigerators · ENERGY STAR certified

Miele KFMC 3846 R

Running around the clock, the Miele KFMC 3846 R uses a certified 580 kWh per year — about $109 at the U.S. average rate, or $9.10 a month, the equivalent of a steady 66-watt draw. That's close to the middle of the certified pack — about 3% above the median bottom-freezer refrigerator, ranked 805 of 1458. Where you live moves the bill from $72 a year in North Dakota to $270 in Hawaii.

Uses 11% less energy than the U.S. federal minimum

Dimensions 83.8" H × 35.2" W

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

$109/yr

$7.91 · cheapest certified refrigerators$152 · priciest
Per month
$9.10
Per day
30¢
Certified use
580 kWh/yr
Configuration
Bottom Freezer
Total capacity
18.8 cu ft
Defrost
Automatic
Ice maker
Yes
Through-door dispenser
No
42 kWh805 kWh
Where the Miele KFMC 3846 R (▮) sits among all 4,229 certified refrigerators, by annual kWh

What it costs in every state

Miele KFMC 3846 R: 580 kWh/yr × each state's average residential rate (EIA)
StateRate ¢/kWhThis model $/yrRelative cost
Alabama17.4¢$101
Alaska27.4¢$159
Arizona15.5¢$90
Arkansas14.2¢$82
California35.3¢$204
Colorado16.5¢$96
Connecticut32.2¢$187
Delaware18.8¢$109
District of Columbia25.4¢$147
Florida15.4¢$89
Georgia15.4¢$89
Hawaiipriciest46.6¢$270
Idaho12.7¢$74
Illinois20.5¢$119
Indiana17.9¢$104
Iowa13.9¢$80
Kansas15.8¢$92
Kentucky15.0¢$87
Louisiana14.4¢$84
Maine28.4¢$165
Maryland22.1¢$128
Massachusetts29.4¢$171
Michigan21.4¢$124
Minnesota16.4¢$95
Mississippi16.8¢$97
Missouri14.0¢$81
Montana13.9¢$81
Nebraska13.3¢$77
Nevada14.3¢$83
New Hampshire27.2¢$158
New Jersey23.5¢$136
New Mexico15.2¢$88
New York29.4¢$171
North Carolina16.3¢$94
North Dakotacheapest12.3¢$72
Ohio19.5¢$113
Oklahoma13.3¢$77
Oregon15.8¢$92
Pennsylvania21.5¢$125
Rhode Island28.3¢$164
South Carolina17.1¢$99
South Dakota14.5¢$84
Tennessee14.9¢$87
Texas17.0¢$99
Utah13.3¢$77
Vermont24.6¢$142
Virginia17.4¢$101
Washington14.4¢$83
West Virginia16.1¢$93
Wisconsin19.2¢$111
Wyoming14.7¢$85

Certified models closest in efficiency

bottom-freezer refrigerators within reach of 580 kWh/yr
ModelkWh/yr$/yr (US avg)
Fhiaba S360HST3IU580$109
Fhiaba S360HST6IU580$109
Liebherr HC 2090G580$109
Liebherr HC 2091G580$109
Liebherr HC 2092G580$109
Liebherr HCB 2090G580$109

Run your own numbers

Your rate, your numbers

Per day
30¢
Per month
$9.10
Per year
$109

580 kWh/yr × 18.8¢/kWh = $109/yr

Prefilled with this model's certified 580 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 KFMC 3846 R use?
ENERGY STAR certifies the Miele KFMC 3846 R at 580 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 KFMC 3846 R cost to run per month?
About $9.10 a month at the U.S. average residential rate (18.8¢/kWh) — 30¢ a day, or $109 a year. Your state's rate moves this up or down; see the table above.
Is the Miele KFMC 3846 R energy efficient?
It uses 3% more electricity than the median certified bottom-freezer refrigerator.
What does the Miele KFMC 3846 R cost to run in the cheapest vs. priciest state?
At current residential rates it costs about $72 a year in North Dakota (12.3¢/kWh) and $270 in Hawaii (46.6¢/kWh).
How many watts does the Miele KFMC 3846 R draw on average?
Spread over a year of continuous operation, 580 kWh works out to an average draw of about 66 watts — like leaving a 66-watt bulb on 24/7.

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