What the Hamilton Beach HBDW1922 costs to run
ENERGY STAR certifies the Hamilton Beach HBDW1922 at 240 kWh/yr, about average for its category to run for its category.
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 577 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 Hamilton Beach HBDW1922: Hamilton Beach HBDW1809-B-WHITE ($45/yr, 240 kWh/yr), then HEYNEMO ZDW001BK-11-HM ($45/yr, 240 kWh/yr).
Same brand, different models
Of the 3 ENERGY STAR certified dishwashers Hamilton Beach makes, the HBDW1922 costs the most to run, $16/year more than Hamilton Beach's cheapest, the HBDW3208.
Cost over its typical lifespan
Over the 9-year service life NAHB reports for this category, running the Hamilton Beach HBDW1922 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.
Compare current ENERGY STAR certified dishwashers before buying.
If you're keeping it
Whether or not the Hamilton Beach HBDW1922 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.