What the LG SIGNATURE LUDP890*** costs to run
At 238 kWh/yr, the LG SIGNATURE LUDP890***'s ENERGY STAR certification puts it about average for its category to run against every other certified dishwasher.
The $45 figure above uses the simple average of all 51 published state rates. Pick your state for the real number.
LG SIGNATURE LUDP890*** against the category
That's 2.6% above the dishwasher category average of 232 kWh/yr, and ranks 315 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 $1/year above that average at the national rate. See the methodology page.
What sits beside it in the ranking
SIGNATURE KITCHEN SUITE, SKS SKSDW24*** ($45/yr, 238 kWh/yr) costs a little more to run than the LG SIGNATURE LUDP890***. LG SDWD24** ($45/yr, 238 kWh/yr) costs a little less.
Same brand, different models
Among LG SIGNATURE's 3 certified dishwashers, this is the priciest to run, $3/year over the SDNAH981*, the brand's cheapest.
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 LG SIGNATURE LUDP890*** that long and it costs about $403 in electricity, on top of whatever it cost to buy.
Shopping for a new one
The LG SIGNATURE LUDP890*** 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.
Worth comparing a few current certified models before deciding.
Protecting what you have
A dishwasher like the LG SIGNATURE LUDP890*** is a real household expense whether or not it needs replacing yet; a protection plan is one way to budget for a repair rather than a full replacement.
Sourcing
At rank 315 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 238 kWh/yr figure is ENERGY STAR's own certification, not a wattage estimate; exact dataset IDs are on the data sources page.