WattCost

Data through April 2026

Running cost · Clothes Washers · ENERGY STAR certified

LG SWWE50*4

Across a standard year of loads (234 cycles under the DOE test), the LG SWWE50*4 uses 99 kWh — about $19 at the U.S. average electricity rate, or roughly 8¢ per load. Compared with the median certified clothes washer, it uses 10% less electricity — rank 76 out of 338. The same unit costs $12 a year in North Dakota but $46 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 18.8¢/kWh

$19/yr

$7.34 · cheapest certified clothes washers$59 · priciest
Per month
$1.55
Per day
Certified use
99 kWh/yr
Load configuration
Front Load
Drum volume
5 cu ft
IMEF
2.92
Annual water use
4,278 gal/yr
39 kWh311 kWh
Where the LG SWWE50*4 (▮) sits among all 338 certified clothes washers, by annual kWh

What it costs in every state

LG SWWE50*4: 99 kWh/yr × each state's average residential rate (EIA)
StateRate ¢/kWhThis model $/yrRelative cost
Alabama17.4¢$17
Alaska27.4¢$27
Arizona15.5¢$15
Arkansas14.2¢$14
California35.3¢$35
Colorado16.5¢$16
Connecticut32.2¢$32
Delaware18.8¢$19
District of Columbia25.4¢$25
Florida15.4¢$15
Georgia15.4¢$15
Hawaiipriciest46.6¢$46
Idaho12.7¢$13
Illinois20.5¢$20
Indiana17.9¢$18
Iowa13.9¢$14
Kansas15.8¢$16
Kentucky15.0¢$15
Louisiana14.4¢$14
Maine28.4¢$28
Maryland22.1¢$22
Massachusetts29.4¢$29
Michigan21.4¢$21
Minnesota16.4¢$16
Mississippi16.8¢$17
Missouri14.0¢$14
Montana13.9¢$14
Nebraska13.3¢$13
Nevada14.3¢$14
New Hampshire27.2¢$27
New Jersey23.5¢$23
New Mexico15.2¢$15
New York29.4¢$29
North Carolina16.3¢$16
North Dakotacheapest12.3¢$12
Ohio19.5¢$19
Oklahoma13.3¢$13
Oregon15.8¢$16
Pennsylvania21.5¢$21
Rhode Island28.3¢$28
South Carolina17.1¢$17
South Dakota14.5¢$14
Tennessee14.9¢$15
Texas17.0¢$17
Utah13.3¢$13
Vermont24.6¢$24
Virginia17.4¢$17
Washington14.4¢$14
West Virginia16.1¢$16
Wisconsin19.2¢$19
Wyoming14.7¢$15

Certified models closest in efficiency

clothes washers within reach of 99 kWh/yr
ModelkWh/yr$/yr (US avg)
LG SWWE50*399$19
LG SWWG50*399$19
LG SWWG50*499$19
LG WKEX300H*A99$19
LG WKGX301H*A99$19
LG WKHC252H*Amost efficient99$19

Run your own numbers

Your rate, your numbers

Per day
Per month
$1.55
Per year
$19

99 kWh/yr × 18.8¢/kWh = $19/yr

Prefilled with this model's certified 99 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 SWWE50*4 use?
ENERGY STAR certifies the LG SWWE50*4 at 99 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 SWWE50*4 cost to run per month?
About $1.55 a month at the U.S. average residential rate (18.8¢/kWh) — 5¢ a day, or $19 a year. Your state's rate moves this up or down; see the table above.
Is the LG SWWE50*4 energy efficient?
It uses 10% less electricity than the median certified clothes washer, placing it in the efficient third of certified models.
What does the LG SWWE50*4 cost to run in the cheapest vs. priciest state?
At current residential rates it costs about $12 a year in North Dakota (12.3¢/kWh) and $46 in Hawaii (46.6¢/kWh).
What does one load cost with the LG SWWE50*4?
Roughly 8¢ per cycle at the U.S. average rate, based on the DOE test's 234 cycles a year.

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