Whirlpool WDT550SAP Running Cost (Dishwasher)
What the Whirlpool WDT550SAP costs to run
At 240 kWh/yr, the Whirlpool WDT550SAP'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 731 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 Whirlpool WDT550SAP: Whirlpool WDT531HAP ($45/yr, 240 kWh/yr), then Whirlpool WDT751SAP ($45/yr, 240 kWh/yr).
Within the Whirlpool lineup
Ranked 8 of Whirlpool's 11 certified dishwashers, this sits between the UDPS5118SP ($41/yr, the brand's cheapest) and the WDTF5024S ($45/yr, its priciest).
Whirlpool WDT550SAP over 9 years
Over the 9-year service life NAHB reports for this category, running the Whirlpool WDT550SAP 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.
Worth comparing a few current certified models before deciding.
If you're keeping it
At $45/year just to run, a dishwasher is worth protecting against an unplanned repair bill on top of that.
Where this number comes from
Nothing here is estimated from a nameplate wattage; the 240 kWh/yr is ENERGY STAR's own certified figure for this model. Ranked 731 of 737, the Whirlpool WDT550SAP 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.