WattCost

Data through April 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 $113 at the U.S. average rate, or $9.43 a month, the equivalent of a steady 69-watt draw. That's 7% less than the median certified side-by-side refrigerator, placing it comfortably in the efficient third of the field (33 of 116). Where you live moves the bill from $74 a year in North Dakota to $280 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 18.8¢/kWh

$113/yr

$7.91 · cheapest certified refrigerators$152 · priciest
Per month
$9.43
Per day
31¢
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 4,229 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
Alabama17.4¢$105
Alaska27.4¢$164
Arizona15.5¢$93
Arkansas14.2¢$85
California35.3¢$212
Colorado16.5¢$99
Connecticut32.2¢$194
Delaware18.8¢$113
District of Columbia25.4¢$153
Florida15.4¢$92
Georgia15.4¢$92
Hawaiipriciest46.6¢$280
Idaho12.7¢$76
Illinois20.5¢$123
Indiana17.9¢$108
Iowa13.9¢$83
Kansas15.8¢$95
Kentucky15.0¢$90
Louisiana14.4¢$87
Maine28.4¢$171
Maryland22.1¢$133
Massachusetts29.4¢$177
Michigan21.4¢$129
Minnesota16.4¢$99
Mississippi16.8¢$101
Missouri14.0¢$84
Montana13.9¢$84
Nebraska13.3¢$80
Nevada14.3¢$86
New Hampshire27.2¢$164
New Jersey23.5¢$141
New Mexico15.2¢$91
New York29.4¢$177
North Carolina16.3¢$98
North Dakotacheapest12.3¢$74
Ohio19.5¢$117
Oklahoma13.3¢$80
Oregon15.8¢$95
Pennsylvania21.5¢$129
Rhode Island28.3¢$170
South Carolina17.1¢$103
South Dakota14.5¢$87
Tennessee14.9¢$90
Texas17.0¢$102
Utah13.3¢$80
Vermont24.6¢$148
Virginia17.4¢$104
Washington14.4¢$86
West Virginia16.1¢$97
Wisconsin19.2¢$115
Wyoming14.7¢$88

Certified models closest in efficiency

side-by-side refrigerators within reach of 601 kWh/yr
ModelkWh/yr$/yr (US avg)
KitchenAid KRSC336R600$113
KitchenAid KRSC536R600$113
Samsung RS23CB7600600$113
Whirlpool WRS331SDH*0602$113
Frigidaire GRSN2620A605$114
Beko BFSB3612XSS594$112

Run your own numbers

Your rate, your numbers

Per day
31¢
Per month
$9.43
Per year
$113

601 kWh/yr × 18.8¢/kWh = $113/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 $9.43 a month at the U.S. average residential rate (18.8¢/kWh) — 31¢ a day, or $113 a year. Your state's rate moves this up or down; see the table above.
Is the Whirlpool WRS331FDD*0 energy efficient?
It uses 7% 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 $74 a year in North Dakota (12.3¢/kWh) and $280 in Hawaii (46.6¢/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.

Keep digging