LG WM4500H*A: running cost
The LG WM4500H*A is certified by ENERGY STAR at 105 kWh a year, cheaper than most models in its category to run among washing machines currently certified.
That $20 is priced at 18.8¢/kWh, the average of all 51 state rates this site tracks. Your own state's rate is one click away.
How the LG WM4500H*A compares to other washing machines
Against the category average of 123 kWh/yr, this model uses 14.6% less, ranking 150 of 398 washing machines tracked here for running cost. 398 certified washing machines, one average, about $3/year of daylight between it and this model; the full methodology has the rest.
Neighbouring models
Right next to the LG WM4500H*A on that list: LG WM4200H*A ($20/yr, 105 kWh/yr) runs slightly less, while LG WM5000H*A ($20/yr, 105 kWh/yr) runs slightly more.
Within the LG lineup
Ranked 41 of LG's 93 certified washing machines, this sits between the WM3420C* ($15/yr, the brand's cheapest) and the WT7485C* ($41/yr, its priciest).
Cost over its typical lifespan
NAHB's Study of Life Expectancy of Home Components puts a typical washing machine's service life at 10 years; run the LG WM4500H*A that long and it costs about $197 in electricity, on top of whatever it cost to buy.
Shopping for a new one
Efficient as certified washing machines go, $20/year is a reasonable baseline if you're comparing what else is on the market.
Worth comparing a few current certified models before deciding.
If you're keeping it
A washing machine like the LG WM4500H*A is a real household expense whether or not it needs replacing yet; a protection plan is one way to budget for a repair rather than a full replacement.
How this was checked
At rank 150 of 398 for running cost, see the washing machine category page for the rest of the field, or the guide to how much your state matters. The 105 kWh/yr figure is ENERGY STAR's own certification, not a wattage estimate; exact dataset IDs are on the data sources page.