WattCost

Data through June 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 $61 on a U.S.-average electric bill — roughly $5.07 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 242 of 269. Where you live moves the bill from $44 a year in Nevada to $175 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 18.3¢/kWh

$61/yr

$7.70 · cheapest certified refrigerators$148 · priciest
Per month
$5.07
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 4,371 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
Alabama16.4¢$54
Alaska28.2¢$94
Arizona15.2¢$50
Arkansas14.1¢$47
California34.7¢$115
Colorado17.1¢$57
Connecticut24.3¢$81
Delaware19.3¢$64
District of Columbia24.4¢$81
Florida15.1¢$50
Georgia16.4¢$54
Hawaiipriciest52.7¢$175
Idaho14.4¢$48
Illinois19.9¢$66
Indiana17.5¢$58
Iowa15.9¢$53
Kansas15.7¢$52
Kentucky14.3¢$47
Louisiana13.5¢$45
Maine29.6¢$98
Maryland21.8¢$73
Massachusetts29.6¢$98
Michigan23.0¢$76
Minnesota17.5¢$58
Mississippi14.9¢$49
Missouri16.2¢$54
Montana15.1¢$50
Nebraska13.3¢$44
Nevadacheapest13.1¢$44
New Hampshire27.0¢$90
New Jersey24.9¢$83
New Mexico15.1¢$50
New York29.5¢$98
North Carolina14.7¢$49
North Dakota14.1¢$47
Ohio19.2¢$64
Oklahoma14.3¢$48
Oregon16.3¢$54
Pennsylvania21.7¢$72
Rhode Island29.2¢$97
South Carolina15.6¢$52
South Dakota15.4¢$51
Tennessee14.1¢$47
Texas15.9¢$53
Utah13.4¢$44
Vermont24.4¢$81
Virginia17.2¢$57
Washington14.9¢$50
West Virginia15.4¢$51
Wisconsin19.6¢$65
Wyoming15.2¢$51

Certified models closest in efficiency

freezerless-and-single-door refrigerators within reach of 332 kWh/yr
ModelkWh/yr$/yr (US avg)
Monogram ZIR301NBR332$61
Monogram ZIR301NPN332$61
Monogram ZIR301NPP332$61
Gaggenau RVC477790333$61
Jenn-Air ALOVE30RRC0330$61
Jenn-Air JBRF*30IGX330$61

Run your own numbers

Your rate, your numbers

Per day
17¢
Per month
$5.07
Per year
$61

332 kWh/yr × 18.3¢/kWh = $61/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 $5.07 a month at the U.S. average residential rate (18.3¢/kWh) — 17¢ a day, or $61 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 $44 a year in Nevada (13.1¢/kWh) and $175 in Hawaii (52.7¢/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.

Keep digging