What the upstreman TM100-*** costs to run
At 297 kWh/yr, the upstreman TM100-***'s ENERGY STAR certification puts it cheaper than most models in its category to run against every other certified refrigerator.
That $56 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 23.1% less, ranking 1,743 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 $17/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 upstreman TM100-***: TRUARCTIC TARTM1024W ($56/yr, 297 kWh/yr), then upstreman TM100-SS ($56/yr, 297 kWh/yr).
Comparing upstreman's own models
Ranked 90 of upstreman's 115 certified refrigerators, this sits between the FR17-Blue ($39/yr, the brand's cheapest) and the FD182-# ($86/yr, its priciest).
upstreman TM100-*** over 13 years
NAHB's Study of Life Expectancy of Home Components puts a typical refrigerator's service life at 13 years; run the upstreman TM100-*** that long and it costs about $726 in electricity, on top of whatever it cost to buy.
Weighing a replacement
Efficient as certified refrigerators go, $56/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
At $56/year just to run, a refrigerator is worth protecting against an unplanned repair bill on top of that.
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 297 kWh/yr figure is ENERGY STAR's own certification, not a wattage estimate; exact dataset IDs are on the data sources page.