Miele G 5266 SCVi SF: running cost
The Miele G 5266 SCVi SF is certified by ENERGY STAR at 230 kWh a year, about average for its category to run among dishwashers currently certified.
That $43 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
Against the category average of 232 kWh/yr, this model uses 0.9% less, ranking 157 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 Miele G 5266 SCVi SF: Miele G 5266 SCVi ($43/yr, 230 kWh/yr), then Miele G 5266 SCVi SFP ($43/yr, 230 kWh/yr).
Same brand, different models
Ranked 31 of Miele's 50 certified dishwashers, this sits between the G 5892 SCVi SL ($38/yr, the brand's cheapest) and the G 7966 SCVi ($43/yr, its priciest).
Miele G 5266 SCVi SF over 9 years
NAHB's Study of Life Expectancy of Home Components puts a typical dishwasher's service life at 9 years; run the Miele G 5266 SCVi SF that long and it costs about $389 in electricity, on top of whatever it cost to buy.
Shopping for a new one
Efficient as certified dishwashers go, $43/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 Miele G 5266 SCVi SF 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
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 230 kWh/yr figure is ENERGY STAR's own certification, not a wattage estimate; exact dataset IDs are on the data sources page.