Running cost for the LG LDB454***
ENERGY STAR certifies the LG LDB454*** at 238 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.
LG LDB454*** against the category
That's 2.6% above the dishwasher category average of 232 kWh/yr, and ranks 295 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
LG LDF554#** ($45/yr, 238 kWh/yr) costs a little more to run than the LG LDB454***. LG ADFD544*** ($45/yr, 238 kWh/yr) costs a little less.
Comparing LG's own models
LG makes 38 ENERGY STAR certified dishwashers; this one ranks 19 of 38 for running cost, between the brand's cheapest, the LDNFC33L* at $41/yr, and its priciest, the SDWD24** at $45/yr.
LG LDB454*** over 9 years
9 years is NAHB's typical service life for this category; at $45/year, the LG LDB454*** adds up to about $403 in electricity over that span.
Weighing a replacement
The LG LDB454*** 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
The LG LDB454*** 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
Nothing here is estimated from a nameplate wattage; the 238 kWh/yr is ENERGY STAR's own certified figure for this model. Ranked 295 of 737, the LG LDB454*** 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.