Running cost for the Whirlpool WDPS5118P*
At 234 kWh/yr, the Whirlpool WDPS5118P*'s ENERGY STAR certification puts it about average for its category to run against every other certified dishwasher.
That $44 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 0.9% above it, ranking 289 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 $0/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 WDPS5118P*: Whirlpool UDPS5118PP ($44/yr, 234 kWh/yr), then Zline DW7713-24 ($44/yr, 234 kWh/yr).
Same brand, different models
Ranked 4 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 WDPS5118P* over 9 years
9 years is NAHB's typical service life for this category; at $44/year, the Whirlpool WDPS5118P* adds up to about $396 in electricity over that span.
Shopping for a new one
Efficient as certified dishwashers go, $44/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
A dishwasher like the Whirlpool WDPS5118P* 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.
Where this number comes from
Nothing here is estimated from a nameplate wattage; the 234 kWh/yr is ENERGY STAR's own certified figure for this model. At rank 289 of 737 for running cost, see the dishwasher category page for the rest of the field, or the guide to how much your state matters.