Running cost for the BLACK+DECKER BDW300MHS
At 240 kWh/yr, the BLACK+DECKER BDW300MHS'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.
BLACK+DECKER BDW300MHS against the category
That's 3.4% above the dishwasher category average of 232 kWh/yr, and ranks 388 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 $2/year above that average at the national rate. See the methodology page.
What sits beside it in the ranking
BLACK+DECKER BDW400MS ($45/yr, 240 kWh/yr) costs a little more to run than the BLACK+DECKER BDW300MHS. BLACK+DECKER BDW200M* ($45/yr, 240 kWh/yr) costs a little less.
Within the BLACK+DECKER lineup
BLACK+DECKER makes 9 ENERGY STAR certified dishwashers; this one ranks 5 of 9 for running cost, between the brand's cheapest, the BCD6SD at $29/yr, and its priciest, the BPD8W at $45/yr.
What this adds up to over time
NAHB's Study of Life Expectancy of Home Components puts a typical dishwasher's service life at 9 years; run the BLACK+DECKER BDW300MHS that long and it costs about $406 in electricity, on top of whatever it cost to buy.
Shopping for a new one
The BLACK+DECKER BDW300MHS 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
A dishwasher like the BLACK+DECKER BDW300MHS 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.
Sourcing
Two sourced numbers, nothing modeled: ENERGY STAR's certified kWh/yr for this exact model, and EIA's published state electricity rate. Ranked 388 of 737, the BLACK+DECKER BDW300MHS 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.