Kenmore 405.1478# Running Cost (Dishwasher)
Running cost for the Kenmore 405.1478#
ENERGY STAR certifies the Kenmore 405.1478# 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 Kenmore 405.1478# compares to other dishwashers
The category average is 232 kWh/yr; this model runs 3.4% above it, ranking 606 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 Kenmore 405.1478# on that list: JennAir JDTS3924S ($45/yr, 240 kWh/yr) runs slightly less, while Kenmore 990.1519 ($45/yr, 240 kWh/yr) runs slightly more.
Same brand, different models
Ranked 11 of Kenmore's 19 certified dishwashers, this sits between the 1460# ($44/yr, the brand's cheapest) and the KKDW3RPHLIFT-45SS ($45/yr, its priciest).
Kenmore 405.1478# over 9 years
NAHB's Study of Life Expectancy of Home Components puts a typical dishwasher's service life at 9 years; run the Kenmore 405.1478# that long and it costs about $406 in electricity, on top of whatever it cost to buy.
Weighing a replacement
Efficient as certified dishwashers go, $45/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 Kenmore 405.1478# 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.
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.