WattCost

Data through June 2026

Running cost · Refrigerators · ENERGY STAR certified

Liebherr CB7790IM

The Liebherr CB7790IM never switches off, and its certified 435 kWh a year works out to about $80 on a U.S.-average electric bill — roughly $6.65 a month for an average continuous draw of 50 watts. Compared with the median certified bottom-freezer refrigerator, it uses 23% less electricity — rank 226 out of 1478. The same unit costs $57 a year in Nevada but $229 in Hawaii — electricity rates, not the appliance, make the difference. It also meets ENERGY STAR's stricter “Most Efficient” criteria.

Uses 30% less energy than the U.S. federal minimum

Dimensions 79" H × 29" W

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

$80/yr

$7.70 · cheapest certified refrigerators$148 · priciest
Per month
$6.65
Per day
22¢
Certified use
435 kWh/yr
Configuration
Bottom Freezer
Total capacity
16.8 cu ft
Defrost
Automatic
Ice maker
Yes
Through-door dispenser
No
42 kWh805 kWh
Where the Liebherr CB7790IM (▮) sits among all 4,371 certified refrigerators, by annual kWh

What it costs in every state

Liebherr CB7790IM: 435 kWh/yr × each state's average residential rate (EIA)
StateRate ¢/kWhThis model $/yrRelative cost
Alabama16.4¢$71
Alaska28.2¢$123
Arizona15.2¢$66
Arkansas14.1¢$61
California34.7¢$151
Colorado17.1¢$75
Connecticut24.3¢$106
Delaware19.3¢$84
District of Columbia24.4¢$106
Florida15.1¢$66
Georgia16.4¢$71
Hawaiipriciest52.7¢$229
Idaho14.4¢$63
Illinois19.9¢$87
Indiana17.5¢$76
Iowa15.9¢$69
Kansas15.7¢$68
Kentucky14.3¢$62
Louisiana13.5¢$59
Maine29.6¢$129
Maryland21.8¢$95
Massachusetts29.6¢$129
Michigan23.0¢$100
Minnesota17.5¢$76
Mississippi14.9¢$65
Missouri16.2¢$71
Montana15.1¢$66
Nebraska13.3¢$58
Nevadacheapest13.1¢$57
New Hampshire27.0¢$117
New Jersey24.9¢$109
New Mexico15.1¢$66
New York29.5¢$128
North Carolina14.7¢$64
North Dakota14.1¢$61
Ohio19.2¢$83
Oklahoma14.3¢$62
Oregon16.3¢$71
Pennsylvania21.7¢$95
Rhode Island29.2¢$127
South Carolina15.6¢$68
South Dakota15.4¢$67
Tennessee14.1¢$61
Texas15.9¢$69
Utah13.4¢$58
Vermont24.4¢$106
Virginia17.2¢$75
Washington14.9¢$65
West Virginia15.4¢$67
Wisconsin19.6¢$85
Wyoming15.2¢$66

Certified models closest in efficiency

bottom-freezer refrigerators within reach of 435 kWh/yr
ModelkWh/yr$/yr (US avg)
Avanti AFD17ESCDLSS435$80
Avanti FFFDS175L3S435$80
Hamilton Beach HBF1770435$80
Hamilton Beach HBF1770/HZ0771435$80
Hamilton Beach HBF1772435$80
Hamilton Beach HBF1772-NL435$80

Run your own numbers

Your rate, your numbers

Per day
22¢
Per month
$6.65
Per year
$80

435 kWh/yr × 18.3¢/kWh = $80/yr

Prefilled with this model's certified 435 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 Liebherr CB7790IM use?
ENERGY STAR certifies the Liebherr CB7790IM at 435 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 Liebherr CB7790IM cost to run per month?
About $6.65 a month at the U.S. average residential rate (18.3¢/kWh) — 22¢ a day, or $80 a year. Your state's rate moves this up or down; see the table above.
Is the Liebherr CB7790IM energy efficient?
It uses 23% less electricity than the median certified bottom-freezer refrigerator, placing it in the efficient third of certified models. It also meets ENERGY STAR's Most Efficient criteria.
What does the Liebherr CB7790IM cost to run in the cheapest vs. priciest state?
At current residential rates it costs about $57 a year in Nevada (13.1¢/kWh) and $229 in Hawaii (52.7¢/kWh).
How many watts does the Liebherr CB7790IM draw on average?
Spread over a year of continuous operation, 435 kWh works out to an average draw of about 50 watts — like leaving a 50-watt bulb on 24/7.

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