WattCost

Data through April 2026

Running cost · Refrigerators · ENERGY STAR certified

Sub-Zero CL3050U**/S

Running around the clock, the Sub-Zero CL3050U**/S uses a certified 557 kWh per year — about $105 at the U.S. average rate, or $8.74 a month, the equivalent of a steady 64-watt draw. Efficiency-wise it's unremarkable in a good way: within 1% of the median certified bottom-freezer refrigerator (rank 709 of 1458). Where you live moves the bill from $69 a year in North Dakota to $260 in Hawaii.

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

Dimensions 84" H × 30" W

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

$105/yr

$7.91 · cheapest certified refrigerators$152 · priciest
Per month
$8.74
Per day
29¢
Certified use
557 kWh/yr
Configuration
Bottom Freezer
Total capacity
16.9 cu ft
Defrost
Automatic
Ice maker
Yes
Through-door dispenser
No
42 kWh805 kWh
Where the Sub-Zero CL3050U**/S (▮) sits among all 4,229 certified refrigerators, by annual kWh

What it costs in every state

Sub-Zero CL3050U**/S: 557 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¢$180
Delaware18.8¢$105
District of Columbia25.4¢$142
Florida15.4¢$86
Georgia15.4¢$86
Hawaiipriciest46.6¢$260
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¢$80
New Hampshire27.2¢$152
New Jersey23.5¢$131
New Mexico15.2¢$84
New York29.4¢$164
North Carolina16.3¢$91
North Dakotacheapest12.3¢$69
Ohio19.5¢$109
Oklahoma13.3¢$74
Oregon15.8¢$88
Pennsylvania21.5¢$120
Rhode Island28.3¢$158
South Carolina17.1¢$95
South Dakota14.5¢$81
Tennessee14.9¢$83
Texas17.0¢$95
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 557 kWh/yr
ModelkWh/yr$/yr (US avg)
Beko BBBF3019IMWE556$105
Beko BBBF3019IMWESS556$105
Blomberg BRFB1920FBI556$105
Blomberg BRFB1920SS556$105
Miele KFNF 9955 iDE556$105
Bosch B30BB130SS560$105

Run your own numbers

Your rate, your numbers

Per day
29¢
Per month
$8.74
Per year
$105

557 kWh/yr × 18.8¢/kWh = $105/yr

Prefilled with this model's certified 557 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 Sub-Zero CL3050U**/S use?
ENERGY STAR certifies the Sub-Zero CL3050U**/S at 557 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 Sub-Zero CL3050U**/S cost to run per month?
About $8.74 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 Sub-Zero CL3050U**/S energy efficient?
It uses 1% less electricity than the median certified bottom-freezer refrigerator.
What does the Sub-Zero CL3050U**/S 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 $260 in Hawaii (46.6¢/kWh).
How many watts does the Sub-Zero CL3050U**/S draw on average?
Spread over a year of continuous operation, 557 kWh works out to an average draw of about 64 watts — like leaving a 64-watt bulb on 24/7.

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