WattCost

Data through April 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 $101 at the U.S. average rate, or $8.46 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 569 of 1458. Where you live moves the bill from $67 a year in North Dakota to $251 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 18.8¢/kWh

$101/yr

$7.91 · cheapest certified refrigerators$152 · priciest
Per month
$8.46
Per day
28¢
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 4,229 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
Alabama17.4¢$94
Alaska27.4¢$147
Arizona15.5¢$83
Arkansas14.2¢$76
California35.3¢$190
Colorado16.5¢$89
Connecticut32.2¢$174
Delaware18.8¢$101
District of Columbia25.4¢$137
Florida15.4¢$83
Georgia15.4¢$83
Hawaiipriciest46.6¢$251
Idaho12.7¢$68
Illinois20.5¢$110
Indiana17.9¢$96
Iowa13.9¢$75
Kansas15.8¢$85
Kentucky15.0¢$81
Louisiana14.4¢$78
Maine28.4¢$153
Maryland22.1¢$119
Massachusetts29.4¢$159
Michigan21.4¢$115
Minnesota16.4¢$88
Mississippi16.8¢$90
Missouri14.0¢$76
Montana13.9¢$75
Nebraska13.3¢$72
Nevada14.3¢$77
New Hampshire27.2¢$147
New Jersey23.5¢$127
New Mexico15.2¢$82
New York29.4¢$159
North Carolina16.3¢$88
North Dakotacheapest12.3¢$67
Ohio19.5¢$105
Oklahoma13.3¢$72
Oregon15.8¢$85
Pennsylvania21.5¢$116
Rhode Island28.3¢$153
South Carolina17.1¢$92
South Dakota14.5¢$78
Tennessee14.9¢$81
Texas17.0¢$92
Utah13.3¢$72
Vermont24.6¢$132
Virginia17.4¢$94
Washington14.4¢$77
West Virginia16.1¢$87
Wisconsin19.2¢$104
Wyoming14.7¢$79

Certified models closest in efficiency

bottom-freezer refrigerators within reach of 539 kWh/yr
ModelkWh/yr$/yr (US avg)
Continental CE-FRF172539$101
FORZA FF36FBMS539$101
FULGOR MILANO FM4FBM36SS539$101
Kenmore 897.7551#32539$101
Kenmore 897.75515320539$101
Kenmore KKFDR36x20.3HI-SS539$101

Run your own numbers

Your rate, your numbers

Per day
28¢
Per month
$8.46
Per year
$101

539 kWh/yr × 18.8¢/kWh = $101/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 $8.46 a month at the U.S. average residential rate (18.8¢/kWh) — 28¢ a day, or $101 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 $67 a year in North Dakota (12.3¢/kWh) and $251 in Hawaii (46.6¢/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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