Running cost for the Monogram ZWE23NSY****
At 596 kWh/yr, the Monogram ZWE23NSY****'s ENERGY STAR certification puts it one of the more expensive models in its category to run against every other certified refrigerator.
That $112 is priced at 18.8¢/kWh, the average of all 51 state rates this site tracks. Your own state's rate is one click away.
Efficient, or not, for a refrigerator
The category average is 386 kWh/yr; this model runs 54.4% above it, ranking 4,060 of 4,704 refrigerators tracked here for running cost. That average is drawn from all 4,704 refrigerators ENERGY STAR currently certifies, not an outside number, a $39/year gap from this model at the national rate. Full sourcing is in the sourcing notes.
Right next to it on the list
A rank or two either side of the Monogram ZWE23NSY****: Monogram ZWE23NST**** ($112/yr, 596 kWh/yr), then Monogram ZWE23PSN**** ($112/yr, 596 kWh/yr).
Comparing Monogram's own models
Ranked 20 of Monogram's 27 certified refrigerators, this sits between the ZIW241NBW**** ($22/yr, the brand's cheapest) and the ZICS360NV**** ($114/yr, its priciest).
What this adds up to over time
Over the 13-year service life NAHB reports for this category, running the Monogram ZWE23NSY**** costs roughly $1,457 in electricity, separate from the purchase price.
Is it worth replacing?
The Monogram ZWE23NSY**** runs above its category average. If the refrigerator you actually own is older still, likely well past ENERGY STAR's efficiency baseline when it was made, a current certified model could cost meaningfully less than this model's $112/year every year.
Compare current ENERGY STAR certified refrigerators before buying.
If you're keeping it
Whether or not the Monogram ZWE23NSY**** ever needs replacing, a repair is the more common failure for a refrigerator, one a protection plan budgets for ahead of time.
Where this number comes from
Nothing here is estimated from a nameplate wattage; the 596 kWh/yr is ENERGY STAR's own certified figure for this model. Ranked 4,060 of 4,704, the Monogram ZWE23NSY**** 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.