Running cost for the Danby DDW18D1EB
At 239 kWh/yr, the Danby DDW18D1EB's ENERGY STAR certification puts it about average for its category to run against every other certified dishwasher.
The $45 figure above uses the simple average of all 51 published state rates. Pick your state for the real number.
Danby DDW18D1EB against the category
That's 3% above the dishwasher category average of 232 kWh/yr, and ranks 336 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 $1/year above that average at the national rate. See the methodology page.
What sits beside it in the ranking
Danby DDW18D1ESS ($45/yr, 239 kWh/yr) costs a little more to run than the Danby DDW18D1EB. Bosch SHV4AEB** ($45/yr, 239 kWh/yr) costs a little less.
Within the Danby lineup
Danby makes 11 ENERGY STAR certified dishwashers; this one ranks 5 of 11 for running cost, between the brand's cheapest, the DDW621WDB at $29/yr, and its priciest, the DDW2404EBSS at $45/yr.
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 Danby DDW18D1EB that long and it costs about $404 in electricity, on top of whatever it cost to buy.
Is it worth replacing?
The Danby DDW18D1EB is already efficient for its category at $45/year. If you're shopping and comparing options, this is roughly what a well-chosen new dishwasher costs to run.
See what else is certified in this category before you decide.
Protecting what you have
The Danby DDW18D1EB already costs $45/year to run; a repair bill on top of that is the kind of expense a protection plan exists to smooth out.
Sourcing
Two sourced numbers, nothing modeled: ENERGY STAR's certified kWh/yr for this exact model, and EIA's published state electricity rate. At rank 336 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.