Data through June 2026
Running cost · Refrigerators · ENERGY STAR certified
Miele KWT 6722 iS
Running around the clock, the Miele KWT 6722 iS uses a certified 155 kWh per year — about $28 at the U.S. average rate, or $2.37 a month, the equivalent of a steady 18-watt draw. Compared with the median certified cooler refrigerator, it uses 12% less electricity — rank 16 out of 50. The same unit costs $20 a year in Nevada but $82 in Hawaii — electricity rates, not the appliance, make the difference.
Uses 32% less energy than the U.S. federal minimum
Dimensions 69.7" H × 21.9" W
Estimated annual running cost · U.S. average rate 18.3¢/kWh
$28/yr
- Per month
- $2.37
- Per day
- 8¢
- Certified use
- 155 kWh/yr
- Configuration
- Cooler
- Total capacity
- 9 cu ft
- Ice maker
- No
- Through-door dispenser
- No
What it costs in every state
| State | Rate ¢/kWh | This model $/yr | Relative cost |
|---|---|---|---|
| Alabama | 16.4¢ | $25 | |
| Alaska | 28.2¢ | $44 | |
| Arizona | 15.2¢ | $24 | |
| Arkansas | 14.1¢ | $22 | |
| California | 34.7¢ | $54 | |
| Colorado | 17.1¢ | $27 | |
| Connecticut | 24.3¢ | $38 | |
| Delaware | 19.3¢ | $30 | |
| District of Columbia | 24.4¢ | $38 | |
| Florida | 15.1¢ | $23 | |
| Georgia | 16.4¢ | $25 | |
| Hawaiipriciest | 52.7¢ | $82 | |
| Idaho | 14.4¢ | $22 | |
| Illinois | 19.9¢ | $31 | |
| Indiana | 17.5¢ | $27 | |
| Iowa | 15.9¢ | $25 | |
| Kansas | 15.7¢ | $24 | |
| Kentucky | 14.3¢ | $22 | |
| Louisiana | 13.5¢ | $21 | |
| Maine | 29.6¢ | $46 | |
| Maryland | 21.8¢ | $34 | |
| Massachusetts | 29.6¢ | $46 | |
| Michigan | 23.0¢ | $36 | |
| Minnesota | 17.5¢ | $27 | |
| Mississippi | 14.9¢ | $23 | |
| Missouri | 16.2¢ | $25 | |
| Montana | 15.1¢ | $23 | |
| Nebraska | 13.3¢ | $21 | |
| Nevadacheapest | 13.1¢ | $20 | |
| New Hampshire | 27.0¢ | $42 | |
| New Jersey | 24.9¢ | $39 | |
| New Mexico | 15.1¢ | $23 | |
| New York | 29.5¢ | $46 | |
| North Carolina | 14.7¢ | $23 | |
| North Dakota | 14.1¢ | $22 | |
| Ohio | 19.2¢ | $30 | |
| Oklahoma | 14.3¢ | $22 | |
| Oregon | 16.3¢ | $25 | |
| Pennsylvania | 21.7¢ | $34 | |
| Rhode Island | 29.2¢ | $45 | |
| South Carolina | 15.6¢ | $24 | |
| South Dakota | 15.4¢ | $24 | |
| Tennessee | 14.1¢ | $22 | |
| Texas | 15.9¢ | $25 | |
| Utah | 13.4¢ | $21 | |
| Vermont | 24.4¢ | $38 | |
| Virginia | 17.2¢ | $27 | |
| Washington | 14.9¢ | $23 | |
| West Virginia | 15.4¢ | $24 | |
| Wisconsin | 19.6¢ | $30 | |
| Wyoming | 15.2¢ | $24 |
Certified models closest in efficiency
| Model | kWh/yr | $/yr (US avg) |
|---|---|---|
| Liebherr HW 8000 | 155 | $28 |
| JennAir JBWFNL18RX | 153 | $28 |
| JennAir JBWFNR18RX | 153 | $28 |
| Gorenje VCS5297TPGVCS5297TPG | 159 | $29 |
| Liebherr MW 1800 | 150 | $28 |
| Liebherr MW 1801 | 150 | $28 |
Run your own numbers
Your rate, your numbers
- Per day
- 8¢
- Per month
- $2.37
- Per year
- $28
155 kWh/yr × 18.3¢/kWh = $28/yr
Prefilled with this model's certified 155 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 Miele KWT 6722 iS use?
- ENERGY STAR certifies the Miele KWT 6722 iS at 155 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 Miele KWT 6722 iS cost to run per month?
- About $2.37 a month at the U.S. average residential rate (18.3¢/kWh) — 8¢ a day, or $28 a year. Your state's rate moves this up or down; see the table above.
- Is the Miele KWT 6722 iS energy efficient?
- It uses 12% less electricity than the median certified cooler refrigerator, placing it in the efficient third of certified models.
- What does the Miele KWT 6722 iS cost to run in the cheapest vs. priciest state?
- At current residential rates it costs about $20 a year in Nevada (13.1¢/kWh) and $82 in Hawaii (52.7¢/kWh).
- How many watts does the Miele KWT 6722 iS draw on average?
- Spread over a year of continuous operation, 155 kWh works out to an average draw of about 18 watts — like leaving a 18-watt bulb on 24/7.