Data through April 2026
Running cost · Clothes Washers · ENERGY STAR certified
LG SIGNATURE WM9900H*A
Across a standard year of loads (234 cycles under the DOE test), the LG SIGNATURE WM9900H*A uses 108 kWh — about $20 at the U.S. average electricity rate, or roughly 9¢ per load. That's close to the middle of the certified pack — about 2% under the median clothes washer, ranked 156 of 338. Where you live moves the bill from $13 a year in North Dakota to $50 in Hawaii. It also meets ENERGY STAR's stricter “Most Efficient” criteria. 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 18.8¢/kWh
$20/yr
- Per month
- $1.69
- Per day
- 6¢
- Certified use
- 108 kWh/yr
- Load configuration
- Front Load
- Drum volume
- 5.8 cu ft
- IMEF
- 3.2
- Annual water use
- 4,418 gal/yr
What it costs in every state
| State | Rate ¢/kWh | This model $/yr | Relative cost |
|---|---|---|---|
| Alabama | 17.4¢ | $19 | |
| Alaska | 27.4¢ | $30 | |
| Arizona | 15.5¢ | $17 | |
| Arkansas | 14.2¢ | $15 | |
| California | 35.3¢ | $38 | |
| Colorado | 16.5¢ | $18 | |
| Connecticut | 32.2¢ | $35 | |
| Delaware | 18.8¢ | $20 | |
| District of Columbia | 25.4¢ | $27 | |
| Florida | 15.4¢ | $17 | |
| Georgia | 15.4¢ | $17 | |
| Hawaiipriciest | 46.6¢ | $50 | |
| Idaho | 12.7¢ | $14 | |
| Illinois | 20.5¢ | $22 | |
| Indiana | 17.9¢ | $19 | |
| Iowa | 13.9¢ | $15 | |
| Kansas | 15.8¢ | $17 | |
| Kentucky | 15.0¢ | $16 | |
| Louisiana | 14.4¢ | $16 | |
| Maine | 28.4¢ | $31 | |
| Maryland | 22.1¢ | $24 | |
| Massachusetts | 29.4¢ | $32 | |
| Michigan | 21.4¢ | $23 | |
| Minnesota | 16.4¢ | $18 | |
| Mississippi | 16.8¢ | $18 | |
| Missouri | 14.0¢ | $15 | |
| Montana | 13.9¢ | $15 | |
| Nebraska | 13.3¢ | $14 | |
| Nevada | 14.3¢ | $15 | |
| New Hampshire | 27.2¢ | $29 | |
| New Jersey | 23.5¢ | $25 | |
| New Mexico | 15.2¢ | $16 | |
| New York | 29.4¢ | $32 | |
| North Carolina | 16.3¢ | $18 | |
| North Dakotacheapest | 12.3¢ | $13 | |
| Ohio | 19.5¢ | $21 | |
| Oklahoma | 13.3¢ | $14 | |
| Oregon | 15.8¢ | $17 | |
| Pennsylvania | 21.5¢ | $23 | |
| Rhode Island | 28.3¢ | $31 | |
| South Carolina | 17.1¢ | $18 | |
| South Dakota | 14.5¢ | $16 | |
| Tennessee | 14.9¢ | $16 | |
| Texas | 17.0¢ | $18 | |
| Utah | 13.3¢ | $14 | |
| Vermont | 24.6¢ | $27 | |
| Virginia | 17.4¢ | $19 | |
| Washington | 14.4¢ | $16 | |
| West Virginia | 16.1¢ | $17 | |
| Wisconsin | 19.2¢ | $21 | |
| Wyoming | 14.7¢ | $16 |
Certified models closest in efficiency
| Model | kWh/yr | $/yr (US avg) |
|---|---|---|
| Haier QFW150S*N | 108 | $20 |
| LG SIGNATURE WM9700H*Amost efficient | 108 | $20 |
| LG SIGNATURE WM9901H*Amost efficient | 108 | $20 |
| LG SIGNATURE WM9998H*Amost efficient | 108 | $20 |
| Avanti FLW22V0W | 110 | $21 |
| Beko WFTV10733XC | 106 | $20 |
Run your own numbers
Your rate, your numbers
- Per day
- 6¢
- Per month
- $1.69
- Per year
- $20
108 kWh/yr × 18.8¢/kWh = $20/yr
Prefilled with this model's certified 108 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 LG SIGNATURE WM9900H*A use?
- ENERGY STAR certifies the LG SIGNATURE WM9900H*A at 108 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 LG SIGNATURE WM9900H*A cost to run per month?
- About $1.69 a month at the U.S. average residential rate (18.8¢/kWh) — 6¢ a day, or $20 a year. Your state's rate moves this up or down; see the table above.
- Is the LG SIGNATURE WM9900H*A energy efficient?
- It uses 2% less electricity than the median certified clothes washer. It also meets ENERGY STAR's Most Efficient criteria.
- What does the LG SIGNATURE WM9900H*A cost to run in the cheapest vs. priciest state?
- At current residential rates it costs about $13 a year in North Dakota (12.3¢/kWh) and $50 in Hawaii (46.6¢/kWh).
- What does one load cost with the LG SIGNATURE WM9900H*A?
- Roughly 9¢ per cycle at the U.S. average rate, based on the DOE test's 234 cycles a year.