Zline DWV-18: running cost
The Zline DWV-18 is certified by ENERGY STAR at 239 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.
How the Zline DWV-18 compares to other dishwashers
The category average is 232 kWh/yr; this model runs 3% above it, ranking 377 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 Zline DWV-18 on that list: Westbend WB120BDWVSS ($45/yr, 239 kWh/yr) runs slightly less, while Zline DWV-18-A2 ($45/yr, 239 kWh/yr) runs slightly more.
Within the Zline lineup
Ranked 3 of Zline's 8 certified dishwashers, this sits between the DW7713-24 ($44/yr, the brand's cheapest) and the DWS3-24 ($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 Zline DWV-18 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.
Compare current ENERGY STAR certified dishwashers before buying.
If you're keeping it
At $45/year just to run, a dishwasher is worth protecting against an unplanned repair bill on top of that.
How this was checked
Ranked 377 of 737, the Zline DWV-18 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 239 kWh/yr figure is ENERGY STAR's own certification, not a wattage estimate; exact dataset IDs are on the data sources page.