WattCost

Data through June 2026

Running cost · Refrigerators · ENERGY STAR certified

Bosch B36CT80SN

Running around the clock, the Bosch B36CT80SN uses a certified 570 kWh per year — about $105 at the U.S. average rate, or $8.71 a month, the equivalent of a steady 65-watt draw. Efficiency-wise it's unremarkable in a good way: within 1% of the median certified bottom-freezer refrigerator (rank 777 of 1478). Where you live moves the bill from $75 a year in Nevada to $301 in Hawaii.

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

Dimensions 72" H × 36" W

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

$105/yr

$7.70 · cheapest certified refrigerators$148 · priciest
Per month
$8.71
Per day
29¢
Certified use
570 kWh/yr
Configuration
Bottom Freezer
Total capacity
20.8 cu ft
Defrost
Automatic
Ice maker
Yes
Through-door dispenser
No
42 kWh805 kWh
Where the Bosch B36CT80SN (▮) sits among all 4,371 certified refrigerators, by annual kWh

What it costs in every state

Bosch B36CT80SN: 570 kWh/yr × each state's average residential rate (EIA)
StateRate ¢/kWhThis model $/yrRelative cost
Alabama16.4¢$93
Alaska28.2¢$161
Arizona15.2¢$87
Arkansas14.1¢$80
California34.7¢$198
Colorado17.1¢$98
Connecticut24.3¢$139
Delaware19.3¢$110
District of Columbia24.4¢$139
Florida15.1¢$86
Georgia16.4¢$93
Hawaiipriciest52.7¢$301
Idaho14.4¢$82
Illinois19.9¢$113
Indiana17.5¢$100
Iowa15.9¢$91
Kansas15.7¢$90
Kentucky14.3¢$81
Louisiana13.5¢$77
Maine29.6¢$169
Maryland21.8¢$124
Massachusetts29.6¢$169
Michigan23.0¢$131
Minnesota17.5¢$100
Mississippi14.9¢$85
Missouri16.2¢$92
Montana15.1¢$86
Nebraska13.3¢$76
Nevadacheapest13.1¢$75
New Hampshire27.0¢$154
New Jersey24.9¢$142
New Mexico15.1¢$86
New York29.5¢$168
North Carolina14.7¢$84
North Dakota14.1¢$80
Ohio19.2¢$109
Oklahoma14.3¢$82
Oregon16.3¢$93
Pennsylvania21.7¢$124
Rhode Island29.2¢$167
South Carolina15.6¢$89
South Dakota15.4¢$88
Tennessee14.1¢$80
Texas15.9¢$91
Utah13.4¢$76
Vermont24.4¢$139
Virginia17.2¢$98
Washington14.9¢$85
West Virginia15.4¢$88
Wisconsin19.6¢$111
Wyoming15.2¢$87

Certified models closest in efficiency

bottom-freezer refrigerators within reach of 570 kWh/yr
ModelkWh/yr$/yr (US avg)
Bosch B36CT81EN570$105
Bosch B36CT81SN570$105
Bosch B36CT82EN570$105
Bosch B36CT82SN570$105
Thermador T36FT810N570$105
Thermador T36FT820N570$105

Run your own numbers

Your rate, your numbers

Per day
29¢
Per month
$8.71
Per year
$105

570 kWh/yr × 18.3¢/kWh = $105/yr

Prefilled with this model's certified 570 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 Bosch B36CT80SN use?
ENERGY STAR certifies the Bosch B36CT80SN at 570 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 Bosch B36CT80SN cost to run per month?
About $8.71 a month at the U.S. average residential rate (18.3¢/kWh) — 29¢ a day, or $105 a year. Your state's rate moves this up or down; see the table above.
Is the Bosch B36CT80SN energy efficient?
It uses 1% more electricity than the median certified bottom-freezer refrigerator.
What does the Bosch B36CT80SN cost to run in the cheapest vs. priciest state?
At current residential rates it costs about $75 a year in Nevada (13.1¢/kWh) and $301 in Hawaii (52.7¢/kWh).
How many watts does the Bosch B36CT80SN draw on average?
Spread over a year of continuous operation, 570 kWh works out to an average draw of about 65 watts — like leaving a 65-watt bulb on 24/7.

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