Running cost for the Frigidaire FDSH4501****
ENERGY STAR certifies the Frigidaire FDSH4501**** 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.
Efficient, or not, for a dishwasher
The category average is 232 kWh/yr; this model runs 3.4% above it, ranking 502 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 Frigidaire FDSH4501****: Frigidaire FDSH4411**** ($45/yr, 240 kWh/yr), then Frigidaire FDSP4401*** ($45/yr, 240 kWh/yr).
Within the Frigidaire lineup
Ranked 7 of Frigidaire's 17 certified dishwashers, this sits between the FDSH4502**** ($43/yr, the brand's cheapest) and the FFCD2413**** ($45/yr, its priciest).
Cost over its typical lifespan
NAHB's Study of Life Expectancy of Home Components puts a typical dishwasher's service life at 9 years; run the Frigidaire FDSH4501**** 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.
See what else is certified in this category before you decide.
If you're keeping it
$45/year to run is the predictable cost of the Frigidaire FDSH4501****; a protection plan covers the unpredictable one, a repair bill.
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 502 of 737, the Frigidaire FDSH4501**** 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.