Running cost for the Sunvivi ZDW002SL-11-SV
At 240 kWh/yr, the Sunvivi ZDW002SL-11-SV's ENERGY STAR certification puts it about average for its category to run against every other certified dishwasher.
That $45 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
The category average is 232 kWh/yr; this model runs 3.4% above it, ranking 708 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 Sunvivi ZDW002SL-11-SV: Sunvivi ZDW002GY-11-SV ($45/yr, 240 kWh/yr), then THOR KITCHEN DW24X8BA00 ($45/yr, 240 kWh/yr).
Comparing Sunvivi's own models
Of the 6 ENERGY STAR certified dishwashers Sunvivi makes, the ZDW002SL-11-SV costs the most to run, about the same, within a dollar a year, more than Sunvivi's cheapest, the ZDW001BK-11-SV.
Cost over its typical lifespan
Over the 9-year service life NAHB reports for this category, running the Sunvivi ZDW002SL-11-SV costs roughly $406 in electricity, separate from the purchase price.
Weighing a replacement
Efficient as certified dishwashers go, $45/year is a reasonable baseline if you're comparing what else is on the market.
Worth comparing a few current certified models before deciding.
If you're keeping it
A dishwasher like the Sunvivi ZDW002SL-11-SV 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.
Where this number comes from
Ranked 708 of 737, the Sunvivi ZDW002SL-11-SV 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. The 240 kWh/yr figure is ENERGY STAR's own certification, not a wattage estimate; exact dataset IDs are on the data sources page.