Data through June 2026
Running cost · Clothes Washers · ENERGY STAR certified
Whirlpool WFW6620H
The Whirlpool WFW6620H is certified at 139 kWh per year over the DOE test's 234 annual cycles, which comes to about $25 a year — call it 11¢ every time you run it. Efficiency-wise it's unremarkable in a good way: within 26% of the median certified clothes washer (rank 258 of 344). The same unit costs $18 a year in Nevada but $73 in Hawaii — electricity rates, not the appliance, make the difference. Electricity is only part of the story for a clothes washer — check the water figure in the specs below.
Estimated annual running cost · U.S. average rate 18.3¢/kWh
$25/yr
- Per month
- $2.12
- Per day
- 7¢
- Certified use
- 139 kWh/yr
- Load configuration
- Front Load
- Drum volume
- 4.5 cu ft
- IMEF
- 2.76
- Annual water use
- 4,267 gal/yr
What it costs in every state
| State | Rate ¢/kWh | This model $/yr | Relative cost |
|---|---|---|---|
| Alabama | 16.4¢ | $23 | |
| Alaska | 28.2¢ | $39 | |
| Arizona | 15.2¢ | $21 | |
| Arkansas | 14.1¢ | $20 | |
| California | 34.7¢ | $48 | |
| Colorado | 17.1¢ | $24 | |
| Connecticut | 24.3¢ | $34 | |
| Delaware | 19.3¢ | $27 | |
| District of Columbia | 24.4¢ | $34 | |
| Florida | 15.1¢ | $21 | |
| Georgia | 16.4¢ | $23 | |
| Hawaiipriciest | 52.7¢ | $73 | |
| Idaho | 14.4¢ | $20 | |
| Illinois | 19.9¢ | $28 | |
| Indiana | 17.5¢ | $24 | |
| Iowa | 15.9¢ | $22 | |
| Kansas | 15.7¢ | $22 | |
| Kentucky | 14.3¢ | $20 | |
| Louisiana | 13.5¢ | $19 | |
| Maine | 29.6¢ | $41 | |
| Maryland | 21.8¢ | $30 | |
| Massachusetts | 29.6¢ | $41 | |
| Michigan | 23.0¢ | $32 | |
| Minnesota | 17.5¢ | $24 | |
| Mississippi | 14.9¢ | $21 | |
| Missouri | 16.2¢ | $23 | |
| Montana | 15.1¢ | $21 | |
| Nebraska | 13.3¢ | $18 | |
| Nevadacheapest | 13.1¢ | $18 | |
| New Hampshire | 27.0¢ | $38 | |
| New Jersey | 24.9¢ | $35 | |
| New Mexico | 15.1¢ | $21 | |
| New York | 29.5¢ | $41 | |
| North Carolina | 14.7¢ | $20 | |
| North Dakota | 14.1¢ | $20 | |
| Ohio | 19.2¢ | $27 | |
| Oklahoma | 14.3¢ | $20 | |
| Oregon | 16.3¢ | $23 | |
| Pennsylvania | 21.7¢ | $30 | |
| Rhode Island | 29.2¢ | $41 | |
| South Carolina | 15.6¢ | $22 | |
| South Dakota | 15.4¢ | $21 | |
| Tennessee | 14.1¢ | $20 | |
| Texas | 15.9¢ | $22 | |
| Utah | 13.4¢ | $19 | |
| Vermont | 24.4¢ | $34 | |
| Virginia | 17.2¢ | $24 | |
| Washington | 14.9¢ | $21 | |
| West Virginia | 15.4¢ | $21 | |
| Wisconsin | 19.6¢ | $27 | |
| Wyoming | 15.2¢ | $21 |
Certified models closest in efficiency
| Model | kWh/yr | $/yr (US avg) |
|---|---|---|
| Whirlpool WFC682CL | 139 | $25 |
| Whirlpool WFW5620H | 139 | $25 |
| GE GUD27EE*N | 140 | $26 |
| GE GUD27GE*N | 140 | $26 |
| LG WT1150C | 140 | $26 |
| LG WT1501C | 140 | $26 |
Run your own numbers
Your rate, your numbers
- Per day
- 7¢
- Per month
- $2.12
- Per year
- $25
139 kWh/yr × 18.3¢/kWh = $25/yr
Prefilled with this model's certified 139 kWh/yr — adjust if your usage differs from the DOE test basis. The certified annual kWh assumes 234 wash cycles per year (the DOE standard, about 4–5 loads a week) and includes water-heating energy.
Questions, answered with the data
- How much electricity does the Whirlpool WFW6620H use?
- ENERGY STAR certifies the Whirlpool WFW6620H at 139 kWh per year. The certified annual kWh assumes 234 wash cycles per year (the DOE standard, about 4–5 loads a week) and includes water-heating energy.
- How much does the Whirlpool WFW6620H cost to run per month?
- About $2.12 a month at the U.S. average residential rate (18.3¢/kWh) — 7¢ a day, or $25 a year. Your state's rate moves this up or down; see the table above.
- Is the Whirlpool WFW6620H energy efficient?
- It uses 26% more electricity than the median certified clothes washer.
- What does the Whirlpool WFW6620H cost to run in the cheapest vs. priciest state?
- At current residential rates it costs about $18 a year in Nevada (13.1¢/kWh) and $73 in Hawaii (52.7¢/kWh).
- What does one load cost with the Whirlpool WFW6620H?
- Roughly 11¢ per cycle at the U.S. average rate, based on the DOE test's 234 cycles a year.