Running cost for the Zephyr PRW15C01CG
The Zephyr PRW15C01CG is certified by ENERGY STAR at 145 kWh a year, one of the cheaper models in its category to run among refrigerators currently certified.
That $27 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
Against the category average of 386 kWh/yr, this model uses 62.4% less, ranking 108 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 $45/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 Zephyr PRW15C01CG: DOMETIC C60S2 ($27/yr, 145 kWh/yr), then Fisher & Paykel RB36S ($28/yr, 150 kWh/yr).
Same brand, different models
Ranked 4 of Zephyr's 39 certified refrigerators, this sits between the PRRFD24C2AP ($13/yr, the brand's cheapest) and the PRRFD24C2AS-OD ($62/yr, its priciest).
Cost over its typical lifespan
NAHB's Study of Life Expectancy of Home Components puts a typical refrigerator's service life at 13 years; run the Zephyr PRW15C01CG that long and it costs about $354 in electricity, on top of whatever it cost to buy.
Is it worth replacing?
Efficient as certified refrigerators go, $27/year is a reasonable baseline if you're comparing what else is on the market.
See what else is certified in this category before you decide.
If you're keeping it
A refrigerator like the Zephyr PRW15C01CG 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.
Where this number comes from
At rank 108 of 4,704 for running cost, see the refrigerator category page for the rest of the field, or the guide to how much your state matters. The 145 kWh/yr figure is ENERGY STAR's own certification, not a wattage estimate; exact dataset IDs are on the data sources page.