SPT SD-9263SS: running cost
The SPT SD-9263SS is certified by ENERGY STAR at 240 kWh a year, about average for its category to run among dishwashers currently certified.
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 701 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 SPT SD-9263SS: SPT SD-6513W ($45/yr, 240 kWh/yr), then SPT SD-9263W ($45/yr, 240 kWh/yr).
Same brand, different models
Ranked 9 of SPT's 10 certified dishwashers, this sits between the SD-2224** ($29/yr, the brand's cheapest) and the SD-9263W ($45/yr, its priciest).
SPT SD-9263SS over 9 years
NAHB's Study of Life Expectancy of Home Components puts a typical dishwasher's service life at 9 years; run the SPT SD-9263SS 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
Whether or not the SPT SD-9263SS ever needs replacing, a repair is the more common failure for a dishwasher, one a protection plan budgets for ahead of time.
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 701 of 737, the SPT SD-9263SS 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.