WattCost

Data through April 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 $106 on a U.S.-average electric bill — roughly $8.80 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 397 of 431. Where you live moves the bill from $69 a year in North Dakota to $262 in Hawaii.

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

$106/yr

$26 · cheapest certified freezers$122 · priciest
Per month
$8.80
Per day
29¢
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 568 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
Alabama17.4¢$98
Alaska27.4¢$153
Arizona15.5¢$87
Arkansas14.2¢$79
California35.3¢$198
Colorado16.5¢$93
Connecticut32.2¢$181
Delaware18.8¢$105
District of Columbia25.4¢$143
Florida15.4¢$86
Georgia15.4¢$86
Hawaiipriciest46.6¢$262
Idaho12.7¢$71
Illinois20.5¢$115
Indiana17.9¢$100
Iowa13.9¢$78
Kansas15.8¢$89
Kentucky15.0¢$84
Louisiana14.4¢$81
Maine28.4¢$159
Maryland22.1¢$124
Massachusetts29.4¢$165
Michigan21.4¢$120
Minnesota16.4¢$92
Mississippi16.8¢$94
Missouri14.0¢$79
Montana13.9¢$78
Nebraska13.3¢$75
Nevada14.3¢$80
New Hampshire27.2¢$153
New Jersey23.5¢$132
New Mexico15.2¢$85
New York29.4¢$165
North Carolina16.3¢$91
North Dakotacheapest12.3¢$69
Ohio19.5¢$109
Oklahoma13.3¢$75
Oregon15.8¢$89
Pennsylvania21.5¢$120
Rhode Island28.3¢$159
South Carolina17.1¢$96
South Dakota14.5¢$81
Tennessee14.9¢$84
Texas17.0¢$95
Utah13.3¢$75
Vermont24.6¢$138
Virginia17.4¢$98
Washington14.4¢$81
West Virginia16.1¢$90
Wisconsin19.2¢$108
Wyoming14.7¢$82

Certified models closest in efficiency

upright freezers within reach of 561 kWh/yr
ModelkWh/yr$/yr (US avg)
Gaggenau RF471701564$106
Fhiaba S300FZ3IU566$107
Fhiaba S300FZ6IU566$107
VIKING RANGE,LLC FDFZIC7300L566$107
VIKING RANGE,LLC FDFZIC7300R566$107
Bertazzoni REF30FCBIPNV570$107

Run your own numbers

Your rate, your numbers

Per day
29¢
Per month
$8.80
Per year
$106

561 kWh/yr × 18.8¢/kWh = $106/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 $8.80 a month at the U.S. average residential rate (18.8¢/kWh) — 29¢ a day, or $106 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 $69 a year in North Dakota (12.3¢/kWh) and $262 in Hawaii (46.6¢/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.

Keep digging