Running cost for the Thermador T30IR901SP
ENERGY STAR certifies the Thermador T30IR901SP at 289 kWh/yr, one of the cheaper models in its category to run for its category.
That $54 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 25.1% less, ranking 1,645 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 $18/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 Thermador T30IR901SP: Thermador T30IR900SP ($54/yr, 289 kWh/yr), then Thermador T30IR902SP ($54/yr, 289 kWh/yr).
Comparing Thermador's own models
Ranked 22 of Thermador's 54 certified refrigerators, this sits between the T24IR905SP ($48/yr, the brand's cheapest) and the T48IT100NP ($126/yr, its priciest).
Thermador T30IR901SP over 13 years
Over the 13-year service life NAHB reports for this category, running the Thermador T30IR901SP costs roughly $706 in electricity, separate from the purchase price.
Shopping for a new one
Efficient as certified refrigerators go, $54/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
The Thermador T30IR901SP already costs $54/year to run; a repair bill on top of that is the kind of expense a protection plan exists to smooth out.
Where this number comes from
Ranked 1,645 of 4,704, the Thermador T30IR901SP 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. The 289 kWh/yr figure is ENERGY STAR's own certification, not a wattage estimate; exact dataset IDs are on the data sources page.