WattCost

Data through April 2026

Running cost · Refrigerators · ENERGY STAR certified

Miele KFNF 9955 iDE

Running around the clock, the Miele KFNF 9955 iDE uses a certified 556 kWh per year — about $105 at the U.S. average rate, or $8.72 a month, the equivalent of a steady 63-watt draw. That's close to the middle of the certified pack — about 1% under the median bottom-freezer refrigerator, ranked 708 of 1458. The same unit costs $69 a year in North Dakota but $259 in Hawaii — electricity rates, not the appliance, make the difference.

Uses 15% less energy than the U.S. federal minimum

Dimensions 79.8" H × 35.9" W

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

$105/yr

$7.91 · cheapest certified refrigerators$152 · priciest
Per month
$8.72
Per day
29¢
Certified use
556 kWh/yr
Configuration
Bottom Freezer
Total capacity
18.9 cu ft
Defrost
Automatic
Ice maker
Yes
Through-door dispenser
No
42 kWh805 kWh
Where the Miele KFNF 9955 iDE (▮) sits among all 4,229 certified refrigerators, by annual kWh

What it costs in every state

Miele KFNF 9955 iDE: 556 kWh/yr × each state's average residential rate (EIA)
StateRate ¢/kWhThis model $/yrRelative cost
Alabama17.4¢$97
Alaska27.4¢$152
Arizona15.5¢$86
Arkansas14.2¢$79
California35.3¢$196
Colorado16.5¢$92
Connecticut32.2¢$179
Delaware18.8¢$104
District of Columbia25.4¢$141
Florida15.4¢$86
Georgia15.4¢$85
Hawaiipriciest46.6¢$259
Idaho12.7¢$71
Illinois20.5¢$114
Indiana17.9¢$100
Iowa13.9¢$77
Kansas15.8¢$88
Kentucky15.0¢$84
Louisiana14.4¢$80
Maine28.4¢$158
Maryland22.1¢$123
Massachusetts29.4¢$164
Michigan21.4¢$119
Minnesota16.4¢$91
Mississippi16.8¢$93
Missouri14.0¢$78
Montana13.9¢$77
Nebraska13.3¢$74
Nevada14.3¢$79
New Hampshire27.2¢$151
New Jersey23.5¢$131
New Mexico15.2¢$84
New York29.4¢$164
North Carolina16.3¢$90
North Dakotacheapest12.3¢$69
Ohio19.5¢$108
Oklahoma13.3¢$74
Oregon15.8¢$88
Pennsylvania21.5¢$119
Rhode Island28.3¢$157
South Carolina17.1¢$95
South Dakota14.5¢$81
Tennessee14.9¢$83
Texas17.0¢$94
Utah13.3¢$74
Vermont24.6¢$137
Virginia17.4¢$97
Washington14.4¢$80
West Virginia16.1¢$89
Wisconsin19.2¢$107
Wyoming14.7¢$82

Certified models closest in efficiency

bottom-freezer refrigerators within reach of 556 kWh/yr
ModelkWh/yr$/yr (US avg)
Beko BBBF3019IMWE556$105
Beko BBBF3019IMWESS556$105
Blomberg BRFB1920FBI556$105
Blomberg BRFB1920SS556$105
Sub-Zero CL3050U**/S557$105
Beko BFFD3634ESSmost efficient553$104

Run your own numbers

Your rate, your numbers

Per day
29¢
Per month
$8.72
Per year
$105

556 kWh/yr × 18.8¢/kWh = $105/yr

Prefilled with this model's certified 556 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 KFNF 9955 iDE use?
ENERGY STAR certifies the Miele KFNF 9955 iDE at 556 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 KFNF 9955 iDE cost to run per month?
About $8.72 a month at the U.S. average residential rate (18.8¢/kWh) — 29¢ a day, or $105 a year. Your state's rate moves this up or down; see the table above.
Is the Miele KFNF 9955 iDE energy efficient?
It uses 1% less electricity than the median certified bottom-freezer refrigerator.
What does the Miele KFNF 9955 iDE cost to run in the cheapest vs. priciest state?
At current residential rates it costs about $69 a year in North Dakota (12.3¢/kWh) and $259 in Hawaii (46.6¢/kWh).
How many watts does the Miele KFNF 9955 iDE draw on average?
Spread over a year of continuous operation, 556 kWh works out to an average draw of about 63 watts — like leaving a 63-watt bulb on 24/7.

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