WattCost

Data through June 2026

Running cost · Clothes Washers · ENERGY STAR certified

LG WM4000H*A

The LG WM4000H*A is certified at 105 kWh per year over the DOE test's 234 annual cycles, which comes to about $19 a year — call it 8¢ every time you run it. That's close to the middle of the certified pack — about 5% under the median clothes washer, ranked 133 of 344. The same unit costs $14 a year in Nevada but $55 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

$19/yr

$7.15 · cheapest certified clothes washers$57 · priciest
Per month
$1.60
Per day
5¢
Certified use
105 kWh/yr
Load configuration
Front Load
Drum volume
4.5 cu ft
IMEF
2.92
Annual water use
3,841 gal/yr
39 kWh311 kWh
Where the LG WM4000H*A (▮) sits among all 344 certified clothes washers, by annual kWh

What it costs in every state

LG WM4000H*A: 105 kWh/yr × each state's average residential rate (EIA)
StateRate ¢/kWhThis model $/yrRelative cost
Alabama16.4¢$17
Alaska28.2¢$30
Arizona15.2¢$16
Arkansas14.1¢$15
California34.7¢$36
Colorado17.1¢$18
Connecticut24.3¢$26
Delaware19.3¢$20
District of Columbia24.4¢$26
Florida15.1¢$16
Georgia16.4¢$17
Hawaiipriciest52.7¢$55
Idaho14.4¢$15
Illinois19.9¢$21
Indiana17.5¢$18
Iowa15.9¢$17
Kansas15.7¢$16
Kentucky14.3¢$15
Louisiana13.5¢$14
Maine29.6¢$31
Maryland21.8¢$23
Massachusetts29.6¢$31
Michigan23.0¢$24
Minnesota17.5¢$18
Mississippi14.9¢$16
Missouri16.2¢$17
Montana15.1¢$16
Nebraska13.3¢$14
Nevadacheapest13.1¢$14
New Hampshire27.0¢$28
New Jersey24.9¢$26
New Mexico15.1¢$16
New York29.5¢$31
North Carolina14.7¢$15
North Dakota14.1¢$15
Ohio19.2¢$20
Oklahoma14.3¢$15
Oregon16.3¢$17
Pennsylvania21.7¢$23
Rhode Island29.2¢$31
South Carolina15.6¢$16
South Dakota15.4¢$16
Tennessee14.1¢$15
Texas15.9¢$17
Utah13.4¢$14
Vermont24.4¢$26
Virginia17.2¢$18
Washington14.9¢$16
West Virginia15.4¢$16
Wisconsin19.6¢$21
Wyoming15.2¢$16

Certified models closest in efficiency

clothes washers within reach of 105 kWh/yr
ModelkWh/yr$/yr (US avg)
LG WKE100H*A105$19
LG WKEX200H*A105$19
LG WKG101H*A105$19
LG WKGX201H*A105$19
LG WKHC202H*Amost efficient105$19
LG WM3580C105$19

Run your own numbers

Your rate, your numbers

Per day
5¢
Per month
$1.60
Per year
$19

105 kWh/yr × 18.3¢/kWh = $19/yr

Prefilled with this model's certified 105 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 WM4000H*A use?
ENERGY STAR certifies the LG WM4000H*A at 105 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 WM4000H*A cost to run per month?
About $1.60 a month at the U.S. average residential rate (18.3¢/kWh) — 5¢ a day, or $19 a year. Your state's rate moves this up or down; see the table above.
Is the LG WM4000H*A energy efficient?
It uses 5% less electricity than the median certified clothes washer.
What does the LG WM4000H*A cost to run in the cheapest vs. priciest state?
At current residential rates it costs about $14 a year in Nevada (13.1¢/kWh) and $55 in Hawaii (52.7¢/kWh).
What does one load cost with the LG WM4000H*A?
Roughly 8¢ per cycle at the U.S. average rate, based on the DOE test's 234 cycles a year.

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