WattCost

Data through June 2026

Running cost · Refrigerators · ENERGY STAR certified

KOOLMORE KM-RERFDSSI-17

Running around the clock, the KOOLMORE KM-RERFDSSI-17 uses a certified 539 kWh per year — about $99 at the U.S. average rate, or $8.24 a month, the equivalent of a steady 62-watt draw. That's close to the middle of the certified pack — about 4% under the median bottom-freezer refrigerator, ranked 574 of 1478. Where you live moves the bill from $71 a year in Nevada to $284 in Hawaii.

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

Dimensions 70.1" H × 29.9" W

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

$99/yr

$7.70 · cheapest certified refrigerators$148 · priciest
Per month
$8.24
Per day
27¢
Certified use
539 kWh/yr
Configuration
Bottom Freezer
Total capacity
17.5 cu ft
Defrost
Automatic
Ice maker
Yes
Through-door dispenser
No
42 kWh805 kWh
Where the KOOLMORE KM-RERFDSSI-17 (▮) sits among all 4,371 certified refrigerators, by annual kWh

What it costs in every state

KOOLMORE KM-RERFDSSI-17: 539 kWh/yr × each state's average residential rate (EIA)
StateRate ¢/kWhThis model $/yrRelative cost
Alabama16.4¢$88
Alaska28.2¢$152
Arizona15.2¢$82
Arkansas14.1¢$76
California34.7¢$187
Colorado17.1¢$92
Connecticut24.3¢$131
Delaware19.3¢$104
District of Columbia24.4¢$131
Florida15.1¢$81
Georgia16.4¢$88
Hawaiipriciest52.7¢$284
Idaho14.4¢$77
Illinois19.9¢$107
Indiana17.5¢$94
Iowa15.9¢$86
Kansas15.7¢$85
Kentucky14.3¢$77
Louisiana13.5¢$73
Maine29.6¢$159
Maryland21.8¢$118
Massachusetts29.6¢$160
Michigan23.0¢$124
Minnesota17.5¢$94
Mississippi14.9¢$80
Missouri16.2¢$87
Montana15.1¢$82
Nebraska13.3¢$71
Nevadacheapest13.1¢$71
New Hampshire27.0¢$146
New Jersey24.9¢$134
New Mexico15.1¢$81
New York29.5¢$159
North Carolina14.7¢$79
North Dakota14.1¢$76
Ohio19.2¢$103
Oklahoma14.3¢$77
Oregon16.3¢$88
Pennsylvania21.7¢$117
Rhode Island29.2¢$158
South Carolina15.6¢$84
South Dakota15.4¢$83
Tennessee14.1¢$76
Texas15.9¢$86
Utah13.4¢$72
Vermont24.4¢$132
Virginia17.2¢$93
Washington14.9¢$80
West Virginia15.4¢$83
Wisconsin19.6¢$105
Wyoming15.2¢$82

Certified models closest in efficiency

bottom-freezer refrigerators within reach of 539 kWh/yr
ModelkWh/yr$/yr (US avg)
Continental CE-FRF172539$99
FORZA FF36FBMS539$99
FULGOR MILANO FM4FBM36SS539$99
Kenmore 897.7551#32539$99
Kenmore 897.75515320539$99
Kenmore KKFDR36x20.3HI-SS539$99

Run your own numbers

Your rate, your numbers

Per day
27¢
Per month
$8.24
Per year
$99

539 kWh/yr × 18.3¢/kWh = $99/yr

Prefilled with this model's certified 539 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 KOOLMORE KM-RERFDSSI-17 use?
ENERGY STAR certifies the KOOLMORE KM-RERFDSSI-17 at 539 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 KOOLMORE KM-RERFDSSI-17 cost to run per month?
About $8.24 a month at the U.S. average residential rate (18.3¢/kWh) — 27¢ a day, or $99 a year. Your state's rate moves this up or down; see the table above.
Is the KOOLMORE KM-RERFDSSI-17 energy efficient?
It uses 4% less electricity than the median certified bottom-freezer refrigerator.
What does the KOOLMORE KM-RERFDSSI-17 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 $284 in Hawaii (52.7¢/kWh).
How many watts does the KOOLMORE KM-RERFDSSI-17 draw on average?
Spread over a year of continuous operation, 539 kWh works out to an average draw of about 62 watts — like leaving a 62-watt bulb on 24/7.

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