WattCost

Data through June 2026

Running cost · Freezers · ENERGY STAR certified

Sub-Zero DEC3050FI

The Sub-Zero DEC3050FI never switches off, and its certified 561 kWh a year works out to about $103 on a U.S.-average electric bill — roughly $8.57 a month for an average continuous draw of 64 watts. Even among certified models it's on the thirsty end: 28% more electricity than the median upright freezer, ranked 417 of 451. Where you live moves the bill from $74 a year in Nevada to $296 in Hawaii.

Uses 10% less energy than the U.S. federal minimum

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

$103/yr

$25 · cheapest certified freezers$119 · priciest
Per month
$8.57
Per day
28¢
Certified use
561 kWh/yr
Configuration
Upright Freezer
Total capacity
15.5 cu ft
Defrost
Automatic
Compact
No
137 kWh649 kWh
Where the Sub-Zero DEC3050FI (▮) sits among all 594 certified freezers, by annual kWh

What it costs in every state

Sub-Zero DEC3050FI: 561 kWh/yr × each state's average residential rate (EIA)
StateRate ¢/kWhThis model $/yrRelative cost
Alabama16.4¢$92
Alaska28.2¢$158
Arizona15.2¢$85
Arkansas14.1¢$79
California34.7¢$195
Colorado17.1¢$96
Connecticut24.3¢$136
Delaware19.3¢$108
District of Columbia24.4¢$137
Florida15.1¢$85
Georgia16.4¢$92
Hawaiipriciest52.7¢$296
Idaho14.4¢$81
Illinois19.9¢$112
Indiana17.5¢$98
Iowa15.9¢$89
Kansas15.7¢$88
Kentucky14.3¢$80
Louisiana13.5¢$76
Maine29.6¢$166
Maryland21.8¢$123
Massachusetts29.6¢$166
Michigan23.0¢$129
Minnesota17.5¢$98
Mississippi14.9¢$83
Missouri16.2¢$91
Montana15.1¢$85
Nebraska13.3¢$74
Nevadacheapest13.1¢$74
New Hampshire27.0¢$152
New Jersey24.9¢$140
New Mexico15.1¢$84
New York29.5¢$165
North Carolina14.7¢$83
North Dakota14.1¢$79
Ohio19.2¢$108
Oklahoma14.3¢$80
Oregon16.3¢$92
Pennsylvania21.7¢$122
Rhode Island29.2¢$164
South Carolina15.6¢$87
South Dakota15.4¢$86
Tennessee14.1¢$79
Texas15.9¢$89
Utah13.4¢$75
Vermont24.4¢$137
Virginia17.2¢$97
Washington14.9¢$84
West Virginia15.4¢$87
Wisconsin19.6¢$110
Wyoming15.2¢$85

Certified models closest in efficiency

upright freezers within reach of 561 kWh/yr
ModelkWh/yr$/yr (US avg)
Gaggenau RF471701564$103
Fhiaba S300FZ3IU566$104
Fhiaba S300FZ6IU566$104
VIKING RANGE,LLC FDFZIC7300L566$104
VIKING RANGE,LLC FDFZIC7300R566$104
Bertazzoni REF30FCBIPNV570$105

Run your own numbers

Your rate, your numbers

Per day
28¢
Per month
$8.57
Per year
$103

561 kWh/yr × 18.3¢/kWh = $103/yr

Prefilled with this model's certified 561 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.

Questions, answered with the data

How much electricity does the Sub-Zero DEC3050FI use?
ENERGY STAR certifies the Sub-Zero DEC3050FI at 561 kWh per year. The certified annual kWh comes from the DOE test procedure, which measures continuous 24/7 operation at standardized temperatures.
How much does the Sub-Zero DEC3050FI cost to run per month?
About $8.57 a month at the U.S. average residential rate (18.3¢/kWh) — 28¢ a day, or $103 a year. Your state's rate moves this up or down; see the table above.
Is the Sub-Zero DEC3050FI energy efficient?
It uses 28% more electricity than the median certified upright freezer, which puts it among the least efficient certified models.
What does the Sub-Zero DEC3050FI cost to run in the cheapest vs. priciest state?
At current residential rates it costs about $74 a year in Nevada (13.1¢/kWh) and $296 in Hawaii (52.7¢/kWh).
How many watts does the Sub-Zero DEC3050FI draw on average?
Spread over a year of continuous operation, 561 kWh works out to an average draw of about 64 watts — like leaving a 64-watt bulb on 24/7.

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