Whirlpool WDT751SAP**: running cost
At 240 kWh/yr, the Whirlpool WDT751SAP**'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.
Whirlpool WDT751SAP** against the category
That's 3.4% above the dishwasher category average of 232 kWh/yr, and ranks 732 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
Whirlpool WDTF3024S** ($45/yr, 240 kWh/yr) costs a little more to run than the Whirlpool WDT751SAP**. Whirlpool WDT550SAP* ($45/yr, 240 kWh/yr) costs a little less.
Comparing Whirlpool's own models
Whirlpool makes 11 ENERGY STAR certified dishwashers; this one ranks 9 of 11 for running cost, between the brand's cheapest, the UDPS5118SP at $41/yr, and its priciest, the WDTF5024S** at $45/yr.
Whirlpool WDT751SAP** over 9 years
NAHB's Study of Life Expectancy of Home Components puts a typical dishwasher's service life at 9 years; run the Whirlpool WDT751SAP** that long and it costs about $406 in electricity, on top of whatever it cost to buy.
Weighing a replacement
The Whirlpool WDT751SAP** 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.
Worth comparing a few current certified models before deciding.
Protecting what you have
$45/year to run is the predictable cost of the Whirlpool WDT751SAP**; a protection plan covers the unpredictable one, a repair bill.
Sourcing
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.