Insignia NS-CF33SS#***: running cost
At 220 kWh/yr, the Insignia NS-CF33SS#***'s ENERGY STAR certification puts it one of the cheaper models in its category to run against every other certified refrigerator.
That $41 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 43% less, ranking 758 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 $31/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 Insignia NS-CF33SS#***: Insignia NS-CF33BK3-C ($41/yr, 220 kWh/yr), then Insignia NS-CF33SS3 ($41/yr, 220 kWh/yr).
Within the Insignia lineup
Ranked 12 of Insignia's 92 certified refrigerators, this sits between the NS-WC14SS3 ($23/yr, the brand's cheapest) and the NS-RBM18WH0-C ($88/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 Insignia NS-CF33SS#*** that long and it costs about $538 in electricity, on top of whatever it cost to buy.
Shopping for a new one
Efficient as certified refrigerators go, $41/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
Whether or not the Insignia NS-CF33SS#*** 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 220 kWh/yr is ENERGY STAR's own certified figure for this model. 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.