What the Stirling S4-D200PANR costs to run
At 134 kWh/yr, the Stirling S4-D200PANR's ENERGY STAR certification puts it one of the cheaper models in its category to run against every other certified refrigerator.
That $25 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 65.3% less, ranking 77 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 $47/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 Stirling S4-D200PANR: Stirling S4-150SS ($25/yr, 134 kWh/yr), then Stirling S4-D200SS ($25/yr, 134 kWh/yr).
Same brand, different models
Ranked 6 of Stirling's 11 certified refrigerators, this sits between the S4-100PANR ($25/yr, the brand's cheapest) and the S4-D250SS ($25/yr, its priciest).
Cost over its typical lifespan
Over the 13-year service life NAHB reports for this category, running the Stirling S4-D200PANR costs roughly $327 in electricity, separate from the purchase price.
Shopping for a new one
Efficient as certified refrigerators go, $25/year is a reasonable baseline if you're comparing what else is on the market.
Worth comparing a few current certified models before deciding.
If you're keeping it
Whether or not the Stirling S4-D200PANR 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
The full Refrigerator category page shows all 4,704 refrigerators ranked by cost; the state-rate guide covers the half of this number that isn't the appliance. The 134 kWh/yr figure is ENERGY STAR's own certification, not a wattage estimate; exact dataset IDs are on the data sources page.