LG LDNTC326*: running cost
The LG LDNTC326* is certified by ENERGY STAR at 220 kWh a year, about average for its category to run among dishwashers currently certified.
That $41 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 dishwasher
Against the category average of 232 kWh/yr, this model uses 5.2% less, ranking 86 of 737 dishwashers tracked here for running cost. That average is drawn from all 737 dishwashers ENERGY STAR currently certifies, not an outside number, a $2/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 LDNTC326*: LG LDNPQ555* ($41/yr, 220 kWh/yr), then LG LDNTH753* ($41/yr, 220 kWh/yr).
Same brand, different models
Ranked 11 of LG's 38 certified dishwashers, this sits between the LDNFC33L* ($41/yr, the brand's cheapest) and the SDWD24** ($45/yr, its priciest).
What this adds up to over time
NAHB's Study of Life Expectancy of Home Components puts a typical dishwasher's service life at 9 years; run the LG LDNTC326* that long and it costs about $372 in electricity, on top of whatever it cost to buy.
Shopping for a new one
Efficient as certified dishwashers go, $41/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
At $41/year just to run, a dishwasher is worth protecting against an unplanned repair bill on top of that.
Where this number comes from
Ranked 86 of 737, the LG LDNTC326* sits in the middle of the dishwasher category, see the guide to why your state changes this number for the other half of the math. The 220 kWh/yr figure is ENERGY STAR's own certification, not a wattage estimate; exact dataset IDs are on the data sources page.