GE GDT64Z Running Cost (Dishwasher)
Running cost for the GE GDT64Z
ENERGY STAR certifies the GE GDT64Z 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 549 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 GE GDT64Z: GE GDT64N ($45/yr, 240 kWh/yr), then GE GDT65V ($45/yr, 240 kWh/yr).
Comparing GE's own models
Ranked 34 of GE's 41 certified dishwashers, this sits between the GBF180SM ($44/yr, the brand's cheapest) and the UDT16V ($45/yr, its priciest).
What this adds up to over time
Over the 9-year service life NAHB reports for this category, running the GE GDT64Z costs roughly $406 in electricity, separate from the purchase price.
Weighing a replacement
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
The GE GDT64Z already costs $45/year to run; a repair bill on top of that is the kind of expense a protection plan exists to smooth out.
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. At rank 549 of 737 for running cost, see the dishwasher category page for the rest of the field, or the guide to how much your state matters.