What the KOSTCH KOS-24DWN06H costs to run
ENERGY STAR certifies the KOSTCH KOS-24DWN06H 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 645 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 KOSTCH KOS-24DWN06H: KOSTCH KOS-24DWN03M-W ($45/yr, 240 kWh/yr), then KOSTCH KOS-24DWN06H-B ($45/yr, 240 kWh/yr).
Within the KOSTCH lineup
Ranked 16 of KOSTCH's 20 certified dishwashers, this sits between the KOS-24DWH03M ($45/yr, the brand's cheapest) and the KOS-24DWN06H-W ($45/yr, its priciest).
What this adds up to over time
9 years is NAHB's typical service life for this category; at $45/year, the KOSTCH KOS-24DWN06H adds up to about $406 in electricity over that span.
Weighing a replacement
Efficient as certified dishwashers go, $45/year is a reasonable baseline if you're comparing what else is on the market.
Worth comparing a few current certified models before deciding.
If you're keeping it
$45/year to run is the predictable cost of the KOSTCH KOS-24DWN06H; a protection plan covers the unpredictable one, a repair bill.
Where this number comes from
Ranked 645 of 737, the KOSTCH KOS-24DWN06H 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. The 240 kWh/yr figure is ENERGY STAR's own certification, not a wattage estimate; exact dataset IDs are on the data sources page.