WattCost

Data through June 2026

Clothes Washers · 93 certified models

LG

LG: 93 ENERGY STAR certified models in this data, running $15 to $40 a year at the U.S. average electricity rate — a median of $19, versus $20 across every certified clothes washers.

The 50 most efficient (of 93)

LG, ranked by certified annual kWh
#ModelkWh/yr$/yr (US avg)
1LG WM3420Cmost efficient80$15
2LG WKHC152H*Amost efficient90$17
3LG WM3085C90$17
4LG WM3180C90$17
5LG WM3270C90$17
6LG WM3275C90$17
7LG WM3470C95$17
8LG SWWE50*399$18
9LG SWWE50*499$18
10LG SWWG50*399$18
11LG SWWG50*499$18
12LG WKEX300H*A99$18
13LG WKGX301H*A99$18
14LG WKHC252H*Amost efficient99$18
15LG WM5800H*Amost efficient99$18
16LG WM6998H*A99$18
17LG WM3090C100$18
18LG WM3095C100$18
19LG WM3400C100$18
20LG WM3450C100$18
21LG WM3460C100$18
22LG WM3500C100$18
23LG WM3505C100$18
24LG WM3670H*A100$18
25LG WKE100H*A105$19
26LG WKEX200H*A105$19
27LG WKG101H*A105$19
28LG WKGX201H*A105$19
29LG WKHC202H*Amost efficient105$19
30LG WM3580C105$19
31LG WM3600H*A105$19
32LG WM3605H*A105$19
33LG WM3700H*A105$19
34LG WM3800H*A105$19
35LG WM3850H*A105$19
36LG WM3900H*A105$19
37LG WM4000H*A105$19
38LG WM4080H*A105$19
39LG WM4100H*A105$19
40LG WM4200H*Amost efficient105$19
41LG WM4500H*Amost efficient105$19
42LG WM5000H*A105$19
43LG WM5005H*A105$19
44LG WM5500H*A105$19
45LG WM5700H*A105$19
46LG WM6500H*A105$19
47LG WM6700H*Amost efficient105$19
48LG WM8900H*Amost efficient105$19
49LG WM8980H*Amost efficient105$19
50LG WSEX200H*A105$19

Other brand facets

Questions, answered with the data

How much does it cost to run LG clothes washers?
Among 93 certified models in this data, LG clothes washers cost $15 to $40 a year to run at the U.S. average electricity rate (18.3¢/kWh) — a median of $19.
Do LG clothes washers cost more or less than the average clothes washer?
The median model here runs $19 a year, 5% less than the $20 median across all certified clothes washers.
What's the cheapest model among LG clothes washers?
The LG WM3420C costs about $15 a year at the U.S. average rate (80 kWh/yr) — the lowest certified figure in this group.
What does the certified annual-kWh figure assume for clothes washers?
The certified annual kWh assumes 234 wash cycles per year (the DOE standard, about 4–5 loads a week) and includes water-heating energy.

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