WattCost

Data through April 2026

Running cost · Refrigerators · ENERGY STAR certified

Samsung RF30BB6602

The Samsung RF30BB6602 never switches off, and its certified 545 kWh a year works out to about $103 on a U.S.-average electric bill — roughly $8.55 a month for an average continuous draw of 62 watts. That's close to the middle of the certified pack — about 3% under the median bottom-freezer refrigerator, ranked 626 of 1458. The same unit costs $67 a year in North Dakota but $254 in Hawaii — electricity rates, not the appliance, make the difference. It also meets ENERGY STAR's stricter “Most Efficient” criteria.

Uses 28% less energy than the U.S. federal minimum

Dimensions 70" H × 35.8" W

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

$103/yr

$7.91 · cheapest certified refrigerators$152 · priciest
Per month
$8.55
Per day
28¢
Certified use
545 kWh/yr
Configuration
Bottom Freezer
Total capacity
30.1 cu ft
Defrost
Automatic
Ice maker
Yes
Through-door dispenser
No
42 kWh805 kWh
Where the Samsung RF30BB6602 (▮) sits among all 4,229 certified refrigerators, by annual kWh

What it costs in every state

Samsung RF30BB6602: 545 kWh/yr × each state's average residential rate (EIA)
StateRate ¢/kWhThis model $/yrRelative cost
Alabama17.4¢$95
Alaska27.4¢$149
Arizona15.5¢$84
Arkansas14.2¢$77
California35.3¢$192
Colorado16.5¢$90
Connecticut32.2¢$176
Delaware18.8¢$102
District of Columbia25.4¢$138
Florida15.4¢$84
Georgia15.4¢$84
Hawaiipriciest46.6¢$254
Idaho12.7¢$69
Illinois20.5¢$112
Indiana17.9¢$98
Iowa13.9¢$76
Kansas15.8¢$86
Kentucky15.0¢$82
Louisiana14.4¢$79
Maine28.4¢$155
Maryland22.1¢$120
Massachusetts29.4¢$161
Michigan21.4¢$117
Minnesota16.4¢$89
Mississippi16.8¢$91
Missouri14.0¢$76
Montana13.9¢$76
Nebraska13.3¢$72
Nevada14.3¢$78
New Hampshire27.2¢$148
New Jersey23.5¢$128
New Mexico15.2¢$83
New York29.4¢$161
North Carolina16.3¢$89
North Dakotacheapest12.3¢$67
Ohio19.5¢$106
Oklahoma13.3¢$73
Oregon15.8¢$86
Pennsylvania21.5¢$117
Rhode Island28.3¢$154
South Carolina17.1¢$93
South Dakota14.5¢$79
Tennessee14.9¢$81
Texas17.0¢$93
Utah13.3¢$72
Vermont24.6¢$134
Virginia17.4¢$95
Washington14.4¢$78
West Virginia16.1¢$88
Wisconsin19.2¢$105
Wyoming14.7¢$80

Certified models closest in efficiency

bottom-freezer refrigerators within reach of 545 kWh/yr
ModelkWh/yr$/yr (US avg)
Gaggenau RB472701546$103
Cafe CWE19SP*N547$103
Fisher & Paykel RS3684A*Ice & Water547$103
Frigidaire FRFG1723A543$102
GE GWE19JGL547$103
GE GWE19JML547$103

Run your own numbers

Your rate, your numbers

Per day
28¢
Per month
$8.55
Per year
$103

545 kWh/yr × 18.8¢/kWh = $103/yr

Prefilled with this model's certified 545 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 RF30BB6602 use?
ENERGY STAR certifies the Samsung RF30BB6602 at 545 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 RF30BB6602 cost to run per month?
About $8.55 a month at the U.S. average residential rate (18.8¢/kWh) — 28¢ a day, or $103 a year. Your state's rate moves this up or down; see the table above.
Is the Samsung RF30BB6602 energy efficient?
It uses 3% less electricity than the median certified bottom-freezer refrigerator. It also meets ENERGY STAR's Most Efficient criteria.
What does the Samsung RF30BB6602 cost to run in the cheapest vs. priciest state?
At current residential rates it costs about $67 a year in North Dakota (12.3¢/kWh) and $254 in Hawaii (46.6¢/kWh).
How many watts does the Samsung RF30BB6602 draw on average?
Spread over a year of continuous operation, 545 kWh works out to an average draw of about 62 watts — like leaving a 62-watt bulb on 24/7.

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