Running cost for the Bosch SGX78C55UC
ENERGY STAR certifies the Bosch SGX78C55UC at 239 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 Bosch SGX78C55UC compares to other dishwashers
The category average is 232 kWh/yr; this model runs 3% above it, ranking 332 of 737 dishwashers tracked here for running cost. 737 certified dishwashers, one average, about $1/year of daylight between it and this model; the full methodology has the rest.
Neighbouring models
Right next to the Bosch SGX78C55UC on that list: Bosch SGE53C56UC ($45/yr, 239 kWh/yr) runs slightly less, while Bosch SHE3AEE** ($45/yr, 239 kWh/yr) runs slightly more.
Same brand, different models
Ranked 7 of Bosch's 55 certified dishwashers, this sits between the DWHD661EFP ($40/yr, the brand's cheapest) and the SPX68C*** ($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 Bosch SGX78C55UC that long and it costs about $404 in electricity, on top of whatever it cost to buy.
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.
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 Bosch SGX78C55UC; a protection plan covers the unpredictable one, a repair bill.
How this was checked
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. The 239 kWh/yr figure is ENERGY STAR's own certification, not a wattage estimate; exact dataset IDs are on the data sources page.