What the LG WKEX200H*A costs to run
The LG WKEX200H*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.
Efficient, or not, for a washing machine
Against the category average of 123 kWh/yr, this model uses 14.6% less, ranking 135 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 $3/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 WKEX200H*A: LG WKE100H*A ($20/yr, 105 kWh/yr), then LG WKG101H*A ($20/yr, 105 kWh/yr).
Comparing LG's own models
Ranked 26 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 WKEX200H*A that long and it costs about $197 in electricity, on top of whatever it cost to buy.
Is it worth replacing?
Efficient as certified washing machines go, $20/year is a reasonable baseline if you're comparing what else is on the market.
See what else is certified in this category before you decide.
If you're keeping it
A washing machine like the LG WKEX200H*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.
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 135 of 398, the LG WKEX200H*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.