Running cost for the Sub-Zero DEU2450CI/*
ENERGY STAR certifies the Sub-Zero DEU2450CI/* at 408 kWh/yr, about average for its category to run for its category.
The $77 figure above uses the simple average of all 51 published state rates. Pick your state for the real number.
Where this ranks
That's 5.7% above the refrigerator category average of 386 kWh/yr, and ranks 2,977 of 4,704 certified refrigerators for annual running cost, 1 being cheapest. Every one of the 4,704 currently-certified refrigerators feeds that average, putting this model about $4/year over it. See how it's calculated on the how it is calculated page.
The closest alternatives by cost
Sorted by running cost among refrigerators, one step cheaper is Bosch B24CB50ESS ($76/yr, 406 kWh/yr), and one step pricier is Whirlpool WRB533CZJ*** ($77/yr, 410 kWh/yr).
Within the Sub-Zero lineup
Sub-Zero makes 26 ENERGY STAR certified refrigerators; this one ranks 18 of 26 for running cost, between the brand's cheapest, the DEU2450R/ADA/* at $30/yr, and its priciest, the CL4850S/S/* at $140/yr.
Sub-Zero DEU2450CI/* over 13 years
13 years is NAHB's typical service life for this category; at $77/year, the Sub-Zero DEU2450CI/* adds up to about $997 in electricity over that span.
Is it worth replacing?
The Sub-Zero DEU2450CI/* is already efficient for its category at $77/year. If you're shopping and comparing options, this is roughly what a well-chosen new refrigerator costs to run.
See what else is certified in this category before you decide.
Protecting what you have
The Sub-Zero DEU2450CI/* already costs $77/year to run; a repair bill on top of that is the kind of expense a protection plan exists to smooth out.
The data behind this page
Nothing here is estimated from a nameplate wattage; the 408 kWh/yr is ENERGY STAR's own certified figure for this model. Ranked 2,977 of 4,704, the Sub-Zero DEU2450CI/* sits in the middle of the refrigerator category, see the guide to why your state changes this number for the other half of the math.