LG Washing machines: energy use and running cost

The average model uses 122 kWh a year, which costs $26 a year at 21.0¢/kWh.

Most efficient models

Model	kWh/year	Cost/year
LG WM3420C*	80	$17
LG WM3455C*	80	$17
LG WKHC152H*A	90	$19
LG WM3085C*	90	$19
LG WM3180C*	90	$19
LG WM3270C*	90	$19
LG WM3275C*	90	$19
LG WM3470C*	95	$20
LG SWWE50*3	99	$21
LG SWWE50*4	99	$21
LG SWWG50*3	99	$21
LG SWWG50*4	99	$21
LG WKEX300H*A	99	$21
LG WKGX301H*A	99	$21
LG WKHC252H*A	99	$21
LG WM5800H*A	99	$21
LG WM3090C*	100	$21
LG WM3095C*	100	$21
LG WM3400C*	100	$21
LG WM3450C*	100	$21
LG WM3460C*	100	$21
LG WM3500C*	100	$21
LG WM3505C*	100	$21
LG WM3670H*A	100	$21
LG WKE100H*A	105	$22
LG WKEX200H*A	105	$22
LG WKG101H*A	105	$22
LG WKGX201H*A	105	$22
LG WKHC202H*A	105	$22
LG WM3580C*	105	$22
LG WM3600H*A	105	$22
LG WM3605H*A	105	$22
LG WM3700H*A	105	$22
LG WM3800H*A	105	$22
LG WM3850H*A	105	$22
LG WM3900H*A	105	$22
LG WM4000H*A	105	$22
LG WM4080H*A	105	$22
LG WM4100H*A	105	$22
LG WM4200H*A	105	$22
LG WM4500H*A	105	$22
LG WM5000H*A	105	$22
LG WM5005H*A	105	$22
LG WM5500H*A	105	$22
LG WM5700H*A	105	$22
LG WM6500H*A	105	$22
LG WM6700H*A	105	$22
LG WM8900H*A	105	$22
LG WM8980H*A	105	$22
LG WSEX200H*A	105	$22
LG WSGX201H*A	105	$22
LG WT7250C*	110	$23
LG WT7300C*	110	$23
LG WM1385H*	120	$25
LG WM1388H*	120	$25
LG WM1399H*A	120	$25
LG WM1455H*A	120	$25
LG WM8100H*A	120	$25
LG WM9000H*A	120	$25
LG WM9500H*A	120	$25
LG WT8200C*	120	$25
LG WT8205C*	120	$25
LG WT8300C*	120	$25
LG WT8400C*	120	$25
LG WT8480C*	120	$25
LG WT8600C*	120	$25
LG WT8700C*	120	$25
LG WT1901C*	130	$27
LG WT7200C*	130	$27
LG WT7400C*	130	$27
LG WT7480C*	130	$27
LG WT7500C*	130	$27
LG WT7600H*A	130	$27
LG WT7800C*	130	$27
LG WT7850H*A	130	$27
LG WT5680H*A	135	$28
LG WT1150C*	140	$29
LG WT1501C*	140	$29
LG WT5275C*	140	$29
LG WT7700H*A	150	$32
LG WT7710H*A	150	$32
LG WT7800H*A	150	$32
LG WT7880H*A	150	$32
LG WT7900H*A	150	$32
LG WT7050C*	180	$38
LG WT7155C*	200	$42
LG WT8405C*	210	$44
LG WT7010C*	220	$46
LG WT7060C*	220	$46
LG WT7100C*	220	$46
LG WT7150C*	220	$46
LG WT7305C*	220	$46
LG WT7405C*	220	$46
LG WT7485C*	220	$46

Source: ENERGY STAR (U.S. EPA) · 21.0¢/kWh (August 2026) · Methodology