Running cost for the Whirlpool WDT531HAP**
ENERGY STAR certifies the Whirlpool WDT531HAP** 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.
How the Whirlpool WDT531HAP** compares to other dishwashers
The category average is 232 kWh/yr; this model runs 3.4% above it, ranking 730 of 737 dishwashers tracked here for running cost. 737 certified dishwashers, one average, about $2/year of daylight between it and this model; the full methodology has the rest.
Neighbouring models
Right next to the Whirlpool WDT531HAP** on that list: Whirlpool WDF341PAP** ($45/yr, 240 kWh/yr) runs slightly less, while Whirlpool WDT550SAP* ($45/yr, 240 kWh/yr) runs slightly more.
Same brand, different models
Ranked 7 of Whirlpool's 11 certified dishwashers, this sits between the UDPS5118SP ($41/yr, the brand's cheapest) and the WDTF5024S** ($45/yr, its priciest).
Cost over its typical lifespan
9 years is NAHB's typical service life for this category; at $45/year, the Whirlpool WDT531HAP** adds up to about $406 in electricity over that span.
Is it worth replacing?
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.
How this was checked
Two sourced numbers, nothing modeled: ENERGY STAR's certified kWh/yr for this exact model, and EIA's published state electricity rate. 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.