Running cost for the GE GDF46***Z***
ENERGY STAR certifies the GE GDF46***Z*** at 240 kWh/yr, about average for its category to run for its category.
The $45 figure above uses the simple average of all 51 published state rates. Pick your state for the real number.
GE GDF46***Z*** against the category
That's 3.4% above the dishwasher category average of 232 kWh/yr, and ranks 530 of 737 certified dishwashers for annual running cost, 1 being cheapest. The category average comes from every dishwasher ENERGY STAR currently certifies (737 models), not an outside benchmark, about $2/year above that average at the national rate. See the methodology page.
What sits beside it in the ranking
GE GDF51***R*** ($45/yr, 240 kWh/yr) costs a little more to run than the GE GDF46***Z***. GE GDF46***T*** ($45/yr, 240 kWh/yr) costs a little less.
Comparing GE's own models
GE makes 41 ENERGY STAR certified dishwashers; this one ranks 15 of 41 for running cost, between the brand's cheapest, the GBF180S*M*** at $44/yr, and its priciest, the UDT16***V*** at $45/yr.
What this adds up to over time
NAHB's Study of Life Expectancy of Home Components puts a typical dishwasher's service life at 9 years; run the GE GDF46***Z*** that long and it costs about $406 in electricity, on top of whatever it cost to buy.
Shopping for a new one
The GE GDF46***Z*** is already efficient for its category at $45/year. If you're shopping and comparing options, this is roughly what a well-chosen new dishwasher costs to run.
See what else is certified in this category before you decide.
Protecting what you have
The GE GDF46***Z*** 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.
Sourcing
At rank 530 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. The 240 kWh/yr figure is ENERGY STAR's own certification, not a wattage estimate; exact dataset IDs are on the data sources page.