LG LDNPM654 Running Cost (Dishwasher)
What the LG LDNPM654 costs to run
ENERGY STAR certifies the LG LDNPM654 at 220 kWh/yr, about average for its category to run for its category.
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 82 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 LDNPM654: LG LDNPM545 ($41/yr, 220 kWh/yr), then LG LDNPQ445 ($41/yr, 220 kWh/yr).
Same brand, different models
Ranked 7 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 LDNPM654 that long and it costs about $372 in electricity, on top of whatever it cost to buy.
Weighing a replacement
Efficient as certified dishwashers go, $41/year is a reasonable baseline if you're comparing what else is on the market.
Compare current ENERGY STAR certified dishwashers before buying.
If you're keeping it
Whether or not the LG LDNPM654 ever needs replacing, a repair is the more common failure for a dishwasher, one a protection plan budgets for ahead of time.
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 82 of 737, the LG LDNPM654 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.