Summit LDW24NTA: running cost
ENERGY STAR certifies the Summit LDW24NTA at 234 kWh/yr, about average for its category to run for its category.
That $44 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 Summit LDW24NTA compares to other dishwashers
The category average is 232 kWh/yr; this model runs 0.9% above it, ranking 283 of 737 dishwashers tracked here for running cost. 737 certified dishwashers, one average, about $0/year of daylight between it and this model; the full methodology has the rest.
Neighbouring models
Right next to the Summit LDW24NTA on that list: Summit LDW24BA ($44/yr, 234 kWh/yr) runs slightly less, while Summit LDW24SSA ($44/yr, 234 kWh/yr) runs slightly more.
Comparing Summit's own models
Ranked 31 of Summit's 33 certified dishwashers, this sits between the DW18SS4 ($41/yr, the brand's cheapest) and the LDW24WA ($44/yr, its priciest).
Cost over its typical lifespan
NAHB's Study of Life Expectancy of Home Components puts a typical dishwasher's service life at 9 years; run the Summit LDW24NTA that long and it costs about $396 in electricity, on top of whatever it cost to buy.
Weighing a replacement
Efficient as certified dishwashers go, $44/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 dishwasher like the Summit LDW24NTA 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
The full Dishwasher category page shows all 737 dishwashers ranked by cost; the state-rate guide covers the half of this number that isn't the appliance. The 234 kWh/yr figure is ENERGY STAR's own certification, not a wattage estimate; exact dataset IDs are on the data sources page.