What the Summit DW186NT costs to run
ENERGY STAR certifies the Summit DW186NT 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 DW186NT compares to other dishwashers
The category average is 232 kWh/yr; this model runs 0.9% above it, ranking 268 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 DW186NT on that list: Summit DW185SSADA ($44/yr, 234 kWh/yr) runs slightly less, while Summit DW186NTADA ($44/yr, 234 kWh/yr) runs slightly more.
Comparing Summit's own models
Ranked 16 of Summit's 33 certified dishwashers, this sits between the DW18SS4 ($41/yr, the brand's cheapest) and the LDW24WA ($44/yr, its priciest).
What this adds up to over time
Over the 9-year service life NAHB reports for this category, running the Summit DW186NT costs roughly $396 in electricity, separate from the purchase price.
Shopping for a new one
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
The Summit DW186NT already costs $44/year to run; a repair bill on top of that is the kind of expense a protection plan exists to smooth out.
How this was checked
Two sourced numbers, nothing modeled: ENERGY STAR's certified kWh/yr for this exact model, and EIA's published state electricity rate. At rank 268 of 737 for running cost, see the dishwasher category page for the rest of the field, or the guide to how much your state matters.