WattCost

Data through June 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 $100 on a U.S.-average electric bill — roughly $8.33 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 631 of 1478. The same unit costs $71 a year in Nevada but $287 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 18.3¢/kWh

$100/yr

$7.70 · cheapest certified refrigerators$148 · priciest
Per month
$8.33
Per day
27¢
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 4,371 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
Alabama16.4¢$89
Alaska28.2¢$154
Arizona15.2¢$83
Arkansas14.1¢$77
California34.7¢$189
Colorado17.1¢$93
Connecticut24.3¢$133
Delaware19.3¢$105
District of Columbia24.4¢$133
Florida15.1¢$82
Georgia16.4¢$89
Hawaiipriciest52.7¢$287
Idaho14.4¢$78
Illinois19.9¢$108
Indiana17.5¢$95
Iowa15.9¢$87
Kansas15.7¢$86
Kentucky14.3¢$78
Louisiana13.5¢$74
Maine29.6¢$161
Maryland21.8¢$119
Massachusetts29.6¢$161
Michigan23.0¢$125
Minnesota17.5¢$95
Mississippi14.9¢$81
Missouri16.2¢$88
Montana15.1¢$83
Nebraska13.3¢$72
Nevadacheapest13.1¢$71
New Hampshire27.0¢$147
New Jersey24.9¢$136
New Mexico15.1¢$82
New York29.5¢$161
North Carolina14.7¢$80
North Dakota14.1¢$77
Ohio19.2¢$105
Oklahoma14.3¢$78
Oregon16.3¢$89
Pennsylvania21.7¢$118
Rhode Island29.2¢$159
South Carolina15.6¢$85
South Dakota15.4¢$84
Tennessee14.1¢$77
Texas15.9¢$87
Utah13.4¢$73
Vermont24.4¢$133
Virginia17.2¢$94
Washington14.9¢$81
West Virginia15.4¢$84
Wisconsin19.6¢$107
Wyoming15.2¢$83

Certified models closest in efficiency

bottom-freezer refrigerators within reach of 545 kWh/yr
ModelkWh/yr$/yr (US avg)
Gaggenau RB472701546$100
Cafe CWE19SP*N547$100
Fisher & Paykel RS3684A*Ice & Water547$100
Frigidaire FRFG1723A543$100
GE GWE19JGL547$100
GE GWE19JML547$100

Run your own numbers

Your rate, your numbers

Per day
27¢
Per month
$8.33
Per year
$100

545 kWh/yr × 18.3¢/kWh = $100/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 $8.33 a month at the U.S. average residential rate (18.3¢/kWh) — 27¢ a day, or $100 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 $71 a year in Nevada (13.1¢/kWh) and $287 in Hawaii (52.7¢/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.

Keep digging