What the LG WT7850H*A costs to run
ENERGY STAR certifies the LG WT7850H*A at 130 kWh/yr, about average for its category to run for its category.
That $24 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.
Efficient, or not, for a washing machine
The category average is 123 kWh/yr; this model runs 5.7% above it, ranking 272 of 398 washing machines tracked here for running cost. That average is drawn from all 398 washing machines ENERGY STAR currently certifies, not an outside number, a $1/year gap from this model at the national rate. Full sourcing is in the sourcing notes.
Right next to it on the list
A rank or two either side of the LG WT7850H*A: LG WT7800C* ($24/yr, 130 kWh/yr), then Samsung WF56H91**C* ($24/yr, 130 kWh/yr).
Same brand, different models
Ranked 74 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).
What this adds up to over time
10 years is NAHB's typical service life for this category; at $24/year, the LG WT7850H*A adds up to about $244 in electricity over that span.
Shopping for a new one
Efficient as certified washing machines go, $24/year is a reasonable baseline if you're comparing what else is on the market.
Compare current ENERGY STAR certified washing machines before buying.
If you're keeping it
At $24/year just to run, a washing machine is worth protecting against an unplanned repair bill on top of that.
Where this number comes from
Two sourced numbers, nothing modeled: ENERGY STAR's certified kWh/yr for this exact model, and EIA's published state electricity rate. Ranked 272 of 398, the LG WT7850H*A sits in the middle of the washing machine category, see the guide to why your state changes this number for the other half of the math.