What the HEYNEMO ZDW001SL-11-HM costs to run
The HEYNEMO ZDW001SL-11-HM is certified by ENERGY STAR at 240 kWh a year, about average for its category to run among dishwashers currently certified.
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 580 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 HEYNEMO ZDW001SL-11-HM: HEYNEMO ZDW001GY-11-HM ($45/yr, 240 kWh/yr), then HEYNEMO ZDW002BK-11-HM ($45/yr, 240 kWh/yr).
Within the HEYNEMO lineup
Ranked 3 of HEYNEMO's 6 certified dishwashers, this sits between the ZDW001BK-11-HM ($45/yr, the brand's cheapest) and the ZDW002SL-11-HM ($45/yr, its priciest).
Cost over its typical lifespan
Over the 9-year service life NAHB reports for this category, running the HEYNEMO ZDW001SL-11-HM costs roughly $406 in electricity, separate from the purchase price.
Shopping for a new one
Efficient as certified dishwashers go, $45/year is a reasonable baseline if you're comparing what else is on the market.
Compare current ENERGY STAR certified dishwashers before buying.
If you're keeping it
Whether or not the HEYNEMO ZDW001SL-11-HM ever needs replacing, a repair is the more common failure for a dishwasher, one a protection plan budgets for ahead of time.
Where this number comes from
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 240 kWh/yr figure is ENERGY STAR's own certification, not a wattage estimate; exact dataset IDs are on the data sources page.