Running cost for the LG SIGNATURE SDNAH981*
The LG SIGNATURE SDNAH981* is certified by ENERGY STAR at 220 kWh a year, about average for its category to run among dishwashers currently certified.
The $41 figure above uses the simple average of all 51 published state rates. Pick your state for the real number.
LG SIGNATURE SDNAH981* against the category
That's 5.2% below the dishwasher category average of 232 kWh/yr, and ranks 92 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 below that average at the national rate. See the methodology page.
What sits beside it in the ranking
LG SIGNATURE SDNTH981* ($41/yr, 220 kWh/yr) costs a little more to run than the LG SIGNATURE SDNAH981*. LG SDNTHS72* ($41/yr, 220 kWh/yr) costs a little less.
Same brand, different models
LG SIGNATURE sells 3 certified dishwashers; this one runs cheapest of them, $3/year under the LUDP890***, its priciest.
What this adds up to over time
9 years is NAHB's typical service life for this category; at $41/year, the LG SIGNATURE SDNAH981* adds up to about $372 in electricity over that span.
Is it worth replacing?
The LG SIGNATURE SDNAH981* is already efficient for its category at $41/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 SDNAH981* 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
Nothing here is estimated from a nameplate wattage; the 220 kWh/yr is ENERGY STAR's own certified figure for this model. At rank 92 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.