Running cost for the Insignia NS-RTM18SS7*
At 362 kWh/yr, the Insignia NS-RTM18SS7*'s ENERGY STAR certification puts it about average for its category to run against every other certified refrigerator.
That $68 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.
How the Insignia NS-RTM18SS7* compares to other refrigerators
Against the category average of 386 kWh/yr, this model uses 6.2% less, ranking 2,540 of 4,704 refrigerators tracked here for running cost. 4,704 certified refrigerators, one average, about $5/year of daylight between it and this model; the full methodology has the rest.
Neighbouring models
Right next to the Insignia NS-RTM18SS7* on that list: Insignia NS-RTM18SS7-C ($68/yr, 362 kWh/yr) runs slightly less, while Insignia NS-RTM18WH7-C ($68/yr, 362 kWh/yr) runs slightly more.
Same brand, different models
Ranked 70 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).
Insignia NS-RTM18SS7* over 13 years
NAHB's Study of Life Expectancy of Home Components puts a typical refrigerator's service life at 13 years; run the Insignia NS-RTM18SS7* that long and it costs about $885 in electricity, on top of whatever it cost to buy.
Shopping for a new one
Efficient as certified refrigerators go, $68/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-RTM18SS7* ever needs replacing, a repair is the more common failure for a refrigerator, one a protection plan budgets for ahead of time.
How this was checked
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 362 kWh/yr figure is ENERGY STAR's own certification, not a wattage estimate; exact dataset IDs are on the data sources page.