WattCost

Data through April 2026

Running cost · Refrigerators · ENERGY STAR certified

Sub-Zero DEC3050R

The Sub-Zero DEC3050R never switches off, and its certified 332 kWh a year works out to about $63 on a U.S.-average electric bill — roughly $5.21 a month for an average continuous draw of 38 watts. Even among certified models it's on the thirsty end: 15% more electricity than the median freezerless-and-single-door refrigerator, ranked 232 of 259. Where you live moves the bill from $41 a year in North Dakota to $155 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

$63/yr

$7.91 · cheapest certified refrigerators$152 · priciest
Per month
$5.21
Per day
17¢
Certified use
332 kWh/yr
Configuration
Freezerless and Single Door
Total capacity
17.5 cu ft
Defrost
Automatic
Ice maker
No
Through-door dispenser
No
42 kWh805 kWh
Where the Sub-Zero DEC3050R (▮) sits among all 4,229 certified refrigerators, by annual kWh

What it costs in every state

Sub-Zero DEC3050R: 332 kWh/yr × each state's average residential rate (EIA)
StateRate ¢/kWhThis model $/yrRelative cost
Alabama17.4¢$58
Alaska27.4¢$91
Arizona15.5¢$51
Arkansas14.2¢$47
California35.3¢$117
Colorado16.5¢$55
Connecticut32.2¢$107
Delaware18.8¢$62
District of Columbia25.4¢$84
Florida15.4¢$51
Georgia15.4¢$51
Hawaiipriciest46.6¢$155
Idaho12.7¢$42
Illinois20.5¢$68
Indiana17.9¢$59
Iowa13.9¢$46
Kansas15.8¢$52
Kentucky15.0¢$50
Louisiana14.4¢$48
Maine28.4¢$94
Maryland22.1¢$73
Massachusetts29.4¢$98
Michigan21.4¢$71
Minnesota16.4¢$54
Mississippi16.8¢$56
Missouri14.0¢$47
Montana13.9¢$46
Nebraska13.3¢$44
Nevada14.3¢$47
New Hampshire27.2¢$90
New Jersey23.5¢$78
New Mexico15.2¢$50
New York29.4¢$98
North Carolina16.3¢$54
North Dakotacheapest12.3¢$41
Ohio19.5¢$65
Oklahoma13.3¢$44
Oregon15.8¢$52
Pennsylvania21.5¢$71
Rhode Island28.3¢$94
South Carolina17.1¢$57
South Dakota14.5¢$48
Tennessee14.9¢$50
Texas17.0¢$56
Utah13.3¢$44
Vermont24.6¢$82
Virginia17.4¢$58
Washington14.4¢$48
West Virginia16.1¢$53
Wisconsin19.2¢$64
Wyoming14.7¢$49

Certified models closest in efficiency

freezerless-and-single-door refrigerators within reach of 332 kWh/yr
ModelkWh/yr$/yr (US avg)
Monogram ZIR301NBR332$63
Monogram ZIR301NPN332$63
Monogram ZIR301NPP332$63
Gaggenau RVC477790333$63
Jenn-Air ALOVE30RRC0330$62
Jenn-Air JBRF*30IGX330$62

Run your own numbers

Your rate, your numbers

Per day
17¢
Per month
$5.21
Per year
$63

332 kWh/yr × 18.8¢/kWh = $63/yr

Prefilled with this model's certified 332 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 DEC3050R use?
ENERGY STAR certifies the Sub-Zero DEC3050R at 332 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 DEC3050R cost to run per month?
About $5.21 a month at the U.S. average residential rate (18.8¢/kWh) — 17¢ a day, or $63 a year. Your state's rate moves this up or down; see the table above.
Is the Sub-Zero DEC3050R energy efficient?
It uses 15% more electricity than the median certified freezerless-and-single-door refrigerator, which puts it among the least efficient certified models.
What does the Sub-Zero DEC3050R cost to run in the cheapest vs. priciest state?
At current residential rates it costs about $41 a year in North Dakota (12.3¢/kWh) and $155 in Hawaii (46.6¢/kWh).
How many watts does the Sub-Zero DEC3050R draw on average?
Spread over a year of continuous operation, 332 kWh works out to an average draw of about 38 watts — like leaving a 38-watt bulb on 24/7.

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