What the Summit DW185SS costs to run
At 234 kWh/yr, the Summit DW185SS's ENERGY STAR certification puts it about average for its category to run against every other certified dishwasher.
The $44 figure above uses the simple average of all 51 published state rates. Pick your state for the real number.
Summit DW185SS against the category
That's 0.9% above the dishwasher category average of 232 kWh/yr, and ranks 266 of 737 certified dishwashers for annual running cost, 1 being cheapest. The category average comes from every dishwasher ENERGY STAR currently certifies (737 models), not an outside benchmark, about $0/year above that average at the national rate. See the methodology page.
What sits beside it in the ranking
Summit DW185SSADA ($44/yr, 234 kWh/yr) costs a little more to run than the Summit DW185SS. Summit DW184BADA ($44/yr, 234 kWh/yr) costs a little less.
Within the Summit lineup
Summit makes 33 ENERGY STAR certified dishwashers; this one ranks 14 of 33 for running cost, between the brand's cheapest, the DW18SS4 at $41/yr, and its priciest, the LDW24WA at $44/yr.
Summit DW185SS over 9 years
Over the 9-year service life NAHB reports for this category, running the Summit DW185SS costs roughly $396 in electricity, separate from the purchase price.
Shopping for a new one
The Summit DW185SS is already efficient for its category at $44/year. If you're shopping and comparing options, this is roughly what a well-chosen new dishwasher costs to run.
Compare current ENERGY STAR certified dishwashers before buying.
Protecting what you have
$44/year to run is the predictable cost of the Summit DW185SS; a protection plan covers the unpredictable one, a repair bill.
Sourcing
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.