Data through April 2026
Running cost · Freezers · ENERGY STAR certified
Thermador T18ID900LP
The Thermador T18ID900LP never switches off, and its certified 428 kWh a year works out to about $81 on a U.S.-average electric bill — roughly $6.72 a month for an average continuous draw of 49 watts. Efficiency-wise it's unremarkable in a good way: within 2% of the median certified upright freezer (rank 159 of 431). Where you live moves the bill from $53 a year in North Dakota to $200 in Hawaii.
Estimated annual running cost · U.S. average rate 18.8¢/kWh
$81/yr
- Per month
- $6.72
- Per day
- 22¢
- Certified use
- 428 kWh/yr
- Configuration
- Upright Freezer
- Total capacity
- 7.8 cu ft
- Defrost
- Automatic
- Compact
- No
What it costs in every state
| State | Rate ¢/kWh | This model $/yr | Relative cost |
|---|---|---|---|
| Alabama | 17.4¢ | $75 | |
| Alaska | 27.4¢ | $117 | |
| Arizona | 15.5¢ | $66 | |
| Arkansas | 14.2¢ | $61 | |
| California | 35.3¢ | $151 | |
| Colorado | 16.5¢ | $71 | |
| Connecticut | 32.2¢ | $138 | |
| Delaware | 18.8¢ | $80 | |
| District of Columbia | 25.4¢ | $109 | |
| Florida | 15.4¢ | $66 | |
| Georgia | 15.4¢ | $66 | |
| Hawaiipriciest | 46.6¢ | $200 | |
| Idaho | 12.7¢ | $54 | |
| Illinois | 20.5¢ | $88 | |
| Indiana | 17.9¢ | $77 | |
| Iowa | 13.9¢ | $59 | |
| Kansas | 15.8¢ | $68 | |
| Kentucky | 15.0¢ | $64 | |
| Louisiana | 14.4¢ | $62 | |
| Maine | 28.4¢ | $122 | |
| Maryland | 22.1¢ | $94 | |
| Massachusetts | 29.4¢ | $126 | |
| Michigan | 21.4¢ | $92 | |
| Minnesota | 16.4¢ | $70 | |
| Mississippi | 16.8¢ | $72 | |
| Missouri | 14.0¢ | $60 | |
| Montana | 13.9¢ | $59 | |
| Nebraska | 13.3¢ | $57 | |
| Nevada | 14.3¢ | $61 | |
| New Hampshire | 27.2¢ | $117 | |
| New Jersey | 23.5¢ | $101 | |
| New Mexico | 15.2¢ | $65 | |
| New York | 29.4¢ | $126 | |
| North Carolina | 16.3¢ | $70 | |
| North Dakotacheapest | 12.3¢ | $53 | |
| Ohio | 19.5¢ | $83 | |
| Oklahoma | 13.3¢ | $57 | |
| Oregon | 15.8¢ | $68 | |
| Pennsylvania | 21.5¢ | $92 | |
| Rhode Island | 28.3¢ | $121 | |
| South Carolina | 17.1¢ | $73 | |
| South Dakota | 14.5¢ | $62 | |
| Tennessee | 14.9¢ | $64 | |
| Texas | 17.0¢ | $73 | |
| Utah | 13.3¢ | $57 | |
| Vermont | 24.6¢ | $105 | |
| Virginia | 17.4¢ | $74 | |
| Washington | 14.4¢ | $61 | |
| West Virginia | 16.1¢ | $69 | |
| Wisconsin | 19.2¢ | $82 | |
| Wyoming | 14.7¢ | $63 |
Certified models closest in efficiency
| Model | kWh/yr | $/yr (US avg) |
|---|---|---|
| Miele F 2461 Vi | 428 | $81 |
| Miele F 2471 SF | 428 | $81 |
| Miele F 2471 Vi | 428 | $81 |
| Miele F 2472 Vi | 428 | $81 |
| Thermador T18ID900RP | 428 | $81 |
| Thermador T18ID905LP | 428 | $81 |
Run your own numbers
Your rate, your numbers
- Per day
- 22¢
- Per month
- $6.72
- Per year
- $81
428 kWh/yr × 18.8¢/kWh = $81/yr
Prefilled with this model's certified 428 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.
Questions, answered with the data
- How much electricity does the Thermador T18ID900LP use?
- ENERGY STAR certifies the Thermador T18ID900LP at 428 kWh per year. The certified annual kWh comes from the DOE test procedure, which measures continuous 24/7 operation at standardized temperatures.
- How much does the Thermador T18ID900LP cost to run per month?
- About $6.72 a month at the U.S. average residential rate (18.8¢/kWh) — 22¢ a day, or $81 a year. Your state's rate moves this up or down; see the table above.
- Is the Thermador T18ID900LP energy efficient?
- It uses 2% less electricity than the median certified upright freezer.
- What does the Thermador T18ID900LP cost to run in the cheapest vs. priciest state?
- At current residential rates it costs about $53 a year in North Dakota (12.3¢/kWh) and $200 in Hawaii (46.6¢/kWh).
- How many watts does the Thermador T18ID900LP draw on average?
- Spread over a year of continuous operation, 428 kWh works out to an average draw of about 49 watts — like leaving a 49-watt bulb on 24/7.