WattCost

Data through April 2026

Running cost · Refrigerators · ENERGY STAR certified

Samsung RB15DG6000

The Samsung RB15DG6000 never switches off, and its certified 420 kWh a year works out to about $79 on a U.S.-average electric bill — roughly $6.59 a month for an average continuous draw of 48 watts. That's 25% less than the median certified bottom-freezer refrigerator, placing it comfortably in the efficient third of the field (178 of 1458). The same unit costs $52 a year in North Dakota but $196 in Hawaii — electricity rates, not the appliance, make the difference.

Uses 12% less energy than the U.S. federal minimum

Dimensions 66.9" H × 27.5" W

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

$79/yr

$7.91 · cheapest certified refrigerators$152 · priciest
Per month
$6.59
Per day
22¢
Certified use
420 kWh/yr
Configuration
Bottom Freezer
Total capacity
15 cu ft
Defrost
Automatic
Ice maker
No
Through-door dispenser
No
42 kWh805 kWh
Where the Samsung RB15DG6000 (▮) sits among all 4,229 certified refrigerators, by annual kWh

What it costs in every state

Samsung RB15DG6000: 420 kWh/yr × each state's average residential rate (EIA)
StateRate ¢/kWhThis model $/yrRelative cost
Alabama17.4¢$73
Alaska27.4¢$115
Arizona15.5¢$65
Arkansas14.2¢$59
California35.3¢$148
Colorado16.5¢$69
Connecticut32.2¢$135
Delaware18.8¢$79
District of Columbia25.4¢$107
Florida15.4¢$65
Georgia15.4¢$65
Hawaiipriciest46.6¢$196
Idaho12.7¢$53
Illinois20.5¢$86
Indiana17.9¢$75
Iowa13.9¢$58
Kansas15.8¢$66
Kentucky15.0¢$63
Louisiana14.4¢$61
Maine28.4¢$119
Maryland22.1¢$93
Massachusetts29.4¢$124
Michigan21.4¢$90
Minnesota16.4¢$69
Mississippi16.8¢$70
Missouri14.0¢$59
Montana13.9¢$58
Nebraska13.3¢$56
Nevada14.3¢$60
New Hampshire27.2¢$114
New Jersey23.5¢$99
New Mexico15.2¢$64
New York29.4¢$124
North Carolina16.3¢$68
North Dakotacheapest12.3¢$52
Ohio19.5¢$82
Oklahoma13.3¢$56
Oregon15.8¢$66
Pennsylvania21.5¢$90
Rhode Island28.3¢$119
South Carolina17.1¢$72
South Dakota14.5¢$61
Tennessee14.9¢$63
Texas17.0¢$71
Utah13.3¢$56
Vermont24.6¢$103
Virginia17.4¢$73
Washington14.4¢$60
West Virginia16.1¢$67
Wisconsin19.2¢$81
Wyoming14.7¢$62

Certified models closest in efficiency

bottom-freezer refrigerators within reach of 420 kWh/yr
ModelkWh/yr$/yr (US avg)
Beko BFBF2815SSIMmost efficient420$79
Blomberg BRFB1312FBI420$79
Blomberg BRFB1542SSmost efficient420$79
Summit FFBF284SSIMmost efficient420$79
CONTOURE R-1542BKS423$80
FULGOR MILANO FM4FBM28SS1423$80

Run your own numbers

Your rate, your numbers

Per day
22¢
Per month
$6.59
Per year
$79

420 kWh/yr × 18.8¢/kWh = $79/yr

Prefilled with this model's certified 420 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 Samsung RB15DG6000 use?
ENERGY STAR certifies the Samsung RB15DG6000 at 420 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 Samsung RB15DG6000 cost to run per month?
About $6.59 a month at the U.S. average residential rate (18.8¢/kWh) — 22¢ a day, or $79 a year. Your state's rate moves this up or down; see the table above.
Is the Samsung RB15DG6000 energy efficient?
It uses 25% less electricity than the median certified bottom-freezer refrigerator, placing it in the efficient third of certified models.
What does the Samsung RB15DG6000 cost to run in the cheapest vs. priciest state?
At current residential rates it costs about $52 a year in North Dakota (12.3¢/kWh) and $196 in Hawaii (46.6¢/kWh).
How many watts does the Samsung RB15DG6000 draw on average?
Spread over a year of continuous operation, 420 kWh works out to an average draw of about 48 watts — like leaving a 48-watt bulb on 24/7.

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