WattCost

Data through April 2026

Running cost · Clothes Dryers · ENERGY STAR certified

LG SIGNATURE WM9998H*A

Across a standard year of loads (283 cycles under the DOE test), the LG SIGNATURE WM9998H*A uses 315 kWh — about $59 at the U.S. average electricity rate, or roughly 21¢ per load. That's 48% less than the median certified clothes dryer, placing it comfortably in the efficient third of the field (57 of 318). Where you live moves the bill from $39 a year in North Dakota to $147 in Hawaii. It also meets ENERGY STAR's stricter “Most Efficient” criteria.

Estimated annual running cost · U.S. average rate 18.8¢/kWh

$59/yr

$23 · cheapest certified clothes dryers$129 · priciest
Per month
$4.94
Per day
16¢
Certified use
315 kWh/yr
Type
Electric Standard Ventless
Heat pump
Heat Pump
Drum capacity
5.8 cu ft
CEF
7.6 lbs/kWh
122 kWh687 kWh
Where the LG SIGNATURE WM9998H*A (▮) sits among all 318 certified clothes dryers, by annual kWh

What it costs in every state

LG SIGNATURE WM9998H*A: 315 kWh/yr × each state's average residential rate (EIA)
StateRate ¢/kWhThis model $/yrRelative cost
Alabama17.4¢$55
Alaska27.4¢$86
Arizona15.5¢$49
Arkansas14.2¢$45
California35.3¢$111
Colorado16.5¢$52
Connecticut32.2¢$102
Delaware18.8¢$59
District of Columbia25.4¢$80
Florida15.4¢$48
Georgia15.4¢$48
Hawaiipriciest46.6¢$147
Idaho12.7¢$40
Illinois20.5¢$64
Indiana17.9¢$56
Iowa13.9¢$44
Kansas15.8¢$50
Kentucky15.0¢$47
Louisiana14.4¢$45
Maine28.4¢$90
Maryland22.1¢$70
Massachusetts29.4¢$93
Michigan21.4¢$67
Minnesota16.4¢$52
Mississippi16.8¢$53
Missouri14.0¢$44
Montana13.9¢$44
Nebraska13.3¢$42
Nevada14.3¢$45
New Hampshire27.2¢$86
New Jersey23.5¢$74
New Mexico15.2¢$48
New York29.4¢$93
North Carolina16.3¢$51
North Dakotacheapest12.3¢$39
Ohio19.5¢$61
Oklahoma13.3¢$42
Oregon15.8¢$50
Pennsylvania21.5¢$68
Rhode Island28.3¢$89
South Carolina17.1¢$54
South Dakota14.5¢$46
Tennessee14.9¢$47
Texas17.0¢$54
Utah13.3¢$42
Vermont24.6¢$77
Virginia17.4¢$55
Washington14.4¢$45
West Virginia16.1¢$51
Wisconsin19.2¢$61
Wyoming14.7¢$46

Certified models closest in efficiency

clothes dryers within reach of 315 kWh/yr
ModelkWh/yr$/yr (US avg)
Avanti FLD40V0W317$60
Bosch WTG86403UC317$60
Bosch WTG865H4UC317$60
Danby DDY040D1DSDB317$60
Danby DDY040D4DSDB317$60
Danby DDY040D4WDB317$60

Run your own numbers

Your rate, your numbers

Per day
16¢
Per month
$4.94
Per year
$59

315 kWh/yr × 18.8¢/kWh = $59/yr

Prefilled with this model's certified 315 kWh/yr — adjust if your usage differs from the DOE test basis. The certified annual kWh assumes 283 drying cycles per year under the DOE test procedure. Only electric dryers are listed here — a gas dryer's running cost is mostly gas, not electricity.

Questions, answered with the data

How much electricity does the LG SIGNATURE WM9998H*A use?
ENERGY STAR certifies the LG SIGNATURE WM9998H*A at 315 kWh per year. The certified annual kWh assumes 283 drying cycles per year under the DOE test procedure. Only electric dryers are listed here — a gas dryer's running cost is mostly gas, not electricity.
How much does the LG SIGNATURE WM9998H*A cost to run per month?
About $4.94 a month at the U.S. average residential rate (18.8¢/kWh) — 16¢ a day, or $59 a year. Your state's rate moves this up or down; see the table above.
Is the LG SIGNATURE WM9998H*A energy efficient?
It uses 48% less electricity than the median certified clothes dryer, placing it in the efficient third of certified models. It also meets ENERGY STAR's Most Efficient criteria.
What does the LG SIGNATURE WM9998H*A cost to run in the cheapest vs. priciest state?
At current residential rates it costs about $39 a year in North Dakota (12.3¢/kWh) and $147 in Hawaii (46.6¢/kWh).
What does one load cost with the LG SIGNATURE WM9998H*A?
Roughly 21¢ per cycle at the U.S. average rate, based on the DOE test's 283 cycles a year.

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