WattCost

Data through June 2026

Running cost · Refrigerators · ENERGY STAR certified

Thermador T36IB900SP

The Thermador T36IB900SP never switches off, and its certified 531 kWh a year works out to about $97 on a U.S.-average electric bill — roughly $8.12 a month for an average continuous draw of 61 watts. That's close to the middle of the certified pack — about 6% under the median bottom-freezer refrigerator, ranked 542 of 1478. Where you live moves the bill from $70 a year in Nevada to $280 in Hawaii.

Uses 20% less energy than the U.S. federal minimum

Dimensions 83.7" H × 36" W

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

$97/yr

$7.70 · cheapest certified refrigerators$148 · priciest
Per month
$8.12
Per day
27¢
Certified use
531 kWh/yr
Configuration
Bottom Freezer
Total capacity
19.5 cu ft
Defrost
Automatic
Ice maker
Yes
Through-door dispenser
No
42 kWh805 kWh
Where the Thermador T36IB900SP (▮) sits among all 4,371 certified refrigerators, by annual kWh

What it costs in every state

Thermador T36IB900SP: 531 kWh/yr × each state's average residential rate (EIA)
StateRate ¢/kWhThis model $/yrRelative cost
Alabama16.4¢$87
Alaska28.2¢$150
Arizona15.2¢$81
Arkansas14.1¢$75
California34.7¢$184
Colorado17.1¢$91
Connecticut24.3¢$129
Delaware19.3¢$102
District of Columbia24.4¢$130
Florida15.1¢$80
Georgia16.4¢$87
Hawaiipriciest52.7¢$280
Idaho14.4¢$76
Illinois19.9¢$106
Indiana17.5¢$93
Iowa15.9¢$85
Kansas15.7¢$83
Kentucky14.3¢$76
Louisiana13.5¢$72
Maine29.6¢$157
Maryland21.8¢$116
Massachusetts29.6¢$157
Michigan23.0¢$122
Minnesota17.5¢$93
Mississippi14.9¢$79
Missouri16.2¢$86
Montana15.1¢$80
Nebraska13.3¢$70
Nevadacheapest13.1¢$70
New Hampshire27.0¢$143
New Jersey24.9¢$132
New Mexico15.1¢$80
New York29.5¢$157
North Carolina14.7¢$78
North Dakota14.1¢$75
Ohio19.2¢$102
Oklahoma14.3¢$76
Oregon16.3¢$87
Pennsylvania21.7¢$115
Rhode Island29.2¢$155
South Carolina15.6¢$83
South Dakota15.4¢$82
Tennessee14.1¢$75
Texas15.9¢$85
Utah13.4¢$71
Vermont24.4¢$130
Virginia17.2¢$91
Washington14.9¢$79
West Virginia15.4¢$82
Wisconsin19.6¢$104
Wyoming15.2¢$81

Certified models closest in efficiency

bottom-freezer refrigerators within reach of 531 kWh/yr
ModelkWh/yr$/yr (US avg)
Gaggenau RB492704531$97
Miele KF 2901 SF531$97
Miele KF 2901 Vi531$97
Miele KF 2911 SF531$97
Miele KF 2911 Vi531$97
Thermador T36IB902SP531$97

Run your own numbers

Your rate, your numbers

Per day
27¢
Per month
$8.12
Per year
$97

531 kWh/yr × 18.3¢/kWh = $97/yr

Prefilled with this model's certified 531 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 Thermador T36IB900SP use?
ENERGY STAR certifies the Thermador T36IB900SP at 531 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 Thermador T36IB900SP cost to run per month?
About $8.12 a month at the U.S. average residential rate (18.3¢/kWh) — 27¢ a day, or $97 a year. Your state's rate moves this up or down; see the table above.
Is the Thermador T36IB900SP energy efficient?
It uses 6% less electricity than the median certified bottom-freezer refrigerator.
What does the Thermador T36IB900SP cost to run in the cheapest vs. priciest state?
At current residential rates it costs about $70 a year in Nevada (13.1¢/kWh) and $280 in Hawaii (52.7¢/kWh).
How many watts does the Thermador T36IB900SP draw on average?
Spread over a year of continuous operation, 531 kWh works out to an average draw of about 61 watts — like leaving a 61-watt bulb on 24/7.

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