WattCost

Data through June 2026

Running cost · Refrigerators · ENERGY STAR certified

Thermador T30IB900SP

The Thermador T30IB900SP never switches off, and its certified 498 kWh a year works out to about $91 on a U.S.-average electric bill — roughly $7.61 a month for an average continuous draw of 57 watts. Compared with the median certified bottom-freezer refrigerator, it uses 12% less electricity — rank 430 out of 1478. Where you live moves the bill from $65 a year in Nevada to $263 in Hawaii.

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

Dimensions 83.7" H × 30" W

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

$91/yr

$7.70 · cheapest certified refrigerators$148 · priciest
Per month
$7.61
Per day
25¢
Certified use
498 kWh/yr
Configuration
Bottom Freezer
Total capacity
16 cu ft
Defrost
Automatic
Ice maker
Yes
Through-door dispenser
No
42 kWh805 kWh
Where the Thermador T30IB900SP (▮) sits among all 4,371 certified refrigerators, by annual kWh

What it costs in every state

Thermador T30IB900SP: 498 kWh/yr × each state's average residential rate (EIA)
StateRate ¢/kWhThis model $/yrRelative cost
Alabama16.4¢$82
Alaska28.2¢$140
Arizona15.2¢$76
Arkansas14.1¢$70
California34.7¢$173
Colorado17.1¢$85
Connecticut24.3¢$121
Delaware19.3¢$96
District of Columbia24.4¢$121
Florida15.1¢$75
Georgia16.4¢$81
Hawaiipriciest52.7¢$263
Idaho14.4¢$72
Illinois19.9¢$99
Indiana17.5¢$87
Iowa15.9¢$79
Kansas15.7¢$78
Kentucky14.3¢$71
Louisiana13.5¢$67
Maine29.6¢$147
Maryland21.8¢$109
Massachusetts29.6¢$147
Michigan23.0¢$114
Minnesota17.5¢$87
Mississippi14.9¢$74
Missouri16.2¢$81
Montana15.1¢$75
Nebraska13.3¢$66
Nevadacheapest13.1¢$65
New Hampshire27.0¢$135
New Jersey24.9¢$124
New Mexico15.1¢$75
New York29.5¢$147
North Carolina14.7¢$73
North Dakota14.1¢$70
Ohio19.2¢$96
Oklahoma14.3¢$71
Oregon16.3¢$81
Pennsylvania21.7¢$108
Rhode Island29.2¢$146
South Carolina15.6¢$77
South Dakota15.4¢$76
Tennessee14.1¢$70
Texas15.9¢$79
Utah13.4¢$67
Vermont24.4¢$122
Virginia17.2¢$86
Washington14.9¢$74
West Virginia15.4¢$77
Wisconsin19.6¢$97
Wyoming15.2¢$76

Certified models closest in efficiency

bottom-freezer refrigerators within reach of 498 kWh/yr
ModelkWh/yr$/yr (US avg)
Bosch B30IB900SP498$91
Gaggenau RB472704498$91
Miele KF 2801 SF498$91
Miele KF 2801 Vi498$91
Miele KF 2811 SF498$91
Miele KF 2811 Vi498$91

Run your own numbers

Your rate, your numbers

Per day
25¢
Per month
$7.61
Per year
$91

498 kWh/yr × 18.3¢/kWh = $91/yr

Prefilled with this model's certified 498 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 T30IB900SP use?
ENERGY STAR certifies the Thermador T30IB900SP at 498 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 T30IB900SP cost to run per month?
About $7.61 a month at the U.S. average residential rate (18.3¢/kWh) — 25¢ a day, or $91 a year. Your state's rate moves this up or down; see the table above.
Is the Thermador T30IB900SP energy efficient?
It uses 12% less electricity than the median certified bottom-freezer refrigerator, placing it in the efficient third of certified models.
What does the Thermador T30IB900SP cost to run in the cheapest vs. priciest state?
At current residential rates it costs about $65 a year in Nevada (13.1¢/kWh) and $263 in Hawaii (52.7¢/kWh).
How many watts does the Thermador T30IB900SP draw on average?
Spread over a year of continuous operation, 498 kWh works out to an average draw of about 57 watts — like leaving a 57-watt bulb on 24/7.

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