WattCost

Data through June 2026

Running cost · Refrigerators · ENERGY STAR certified

Whirlpool WRS331FDD*0

Running around the clock, the Whirlpool WRS331FDD*0 uses a certified 601 kWh per year — about $110 at the U.S. average rate, or $9.19 a month, the equivalent of a steady 69-watt draw. That's 6% less than the median certified side-by-side refrigerator, placing it comfortably in the efficient third of the field (36 of 119). Where you live moves the bill from $79 a year in Nevada to $317 in Hawaii.

Uses 10% less energy than the U.S. federal minimum

Dimensions 65.9" H × 32.8" W

Estimated annual running cost · U.S. average rate 18.3¢/kWh

$110/yr

$7.70 · cheapest certified refrigerators$148 · priciest
Per month
$9.19
Per day
30¢
Certified use
601 kWh/yr
Configuration
Side-by-Side
Total capacity
21.3 cu ft
Defrost
Automatic
Ice maker
Yes
Through-door dispenser
Yes
42 kWh805 kWh
Where the Whirlpool WRS331FDD*0 (▮) sits among all 4,371 certified refrigerators, by annual kWh

What it costs in every state

Whirlpool WRS331FDD*0: 601 kWh/yr × each state's average residential rate (EIA)
StateRate ¢/kWhThis model $/yrRelative cost
Alabama16.4¢$99
Alaska28.2¢$170
Arizona15.2¢$91
Arkansas14.1¢$85
California34.7¢$209
Colorado17.1¢$103
Connecticut24.3¢$146
Delaware19.3¢$116
District of Columbia24.4¢$147
Florida15.1¢$91
Georgia16.4¢$98
Hawaiipriciest52.7¢$317
Idaho14.4¢$86
Illinois19.9¢$120
Indiana17.5¢$105
Iowa15.9¢$96
Kansas15.7¢$94
Kentucky14.3¢$86
Louisiana13.5¢$81
Maine29.6¢$178
Maryland21.8¢$131
Massachusetts29.6¢$178
Michigan23.0¢$138
Minnesota17.5¢$105
Mississippi14.9¢$89
Missouri16.2¢$97
Montana15.1¢$91
Nebraska13.3¢$80
Nevadacheapest13.1¢$79
New Hampshire27.0¢$162
New Jersey24.9¢$150
New Mexico15.1¢$91
New York29.5¢$177
North Carolina14.7¢$89
North Dakota14.1¢$85
Ohio19.2¢$115
Oklahoma14.3¢$86
Oregon16.3¢$98
Pennsylvania21.7¢$131
Rhode Island29.2¢$176
South Carolina15.6¢$93
South Dakota15.4¢$92
Tennessee14.1¢$85
Texas15.9¢$96
Utah13.4¢$80
Vermont24.4¢$147
Virginia17.2¢$103
Washington14.9¢$90
West Virginia15.4¢$93
Wisconsin19.6¢$118
Wyoming15.2¢$92

Certified models closest in efficiency

side-by-side refrigerators within reach of 601 kWh/yr
ModelkWh/yr$/yr (US avg)
KitchenAid KRSC336R600$110
KitchenAid KRSC536R600$110
Samsung RS23CB7600600$110
Whirlpool WRS331SDH*0602$110
Frigidaire GRSN2620A605$111
Beko BFSB3612XSS594$109

Run your own numbers

Your rate, your numbers

Per day
30¢
Per month
$9.19
Per year
$110

601 kWh/yr × 18.3¢/kWh = $110/yr

Prefilled with this model's certified 601 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 Whirlpool WRS331FDD*0 use?
ENERGY STAR certifies the Whirlpool WRS331FDD*0 at 601 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 Whirlpool WRS331FDD*0 cost to run per month?
About $9.19 a month at the U.S. average residential rate (18.3¢/kWh) — 30¢ a day, or $110 a year. Your state's rate moves this up or down; see the table above.
Is the Whirlpool WRS331FDD*0 energy efficient?
It uses 6% less electricity than the median certified side-by-side refrigerator, placing it in the efficient third of certified models.
What does the Whirlpool WRS331FDD*0 cost to run in the cheapest vs. priciest state?
At current residential rates it costs about $79 a year in Nevada (13.1¢/kWh) and $317 in Hawaii (52.7¢/kWh).
How many watts does the Whirlpool WRS331FDD*0 draw on average?
Spread over a year of continuous operation, 601 kWh works out to an average draw of about 69 watts — like leaving a 69-watt bulb on 24/7.

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