Insignia NS-UZ14******: running cost
At 391 kWh/yr, the Insignia NS-UZ14******'s ENERGY STAR certification puts it about average for its category to run against every other certified freezer.
That $74 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-UZ14****** compares to other freezers
Against the category average of 401 kWh/yr, this model uses 2.5% less, ranking 235 of 658 freezers tracked here for running cost. 658 certified freezers, one average, about $2/year of daylight between it and this model; the full methodology has the rest.
Neighbouring models
Right next to the Insignia NS-UZ14****** on that list: Hisense HFU140N6CWE ($74/yr, 391 kWh/yr) runs slightly less, while Mora MFU140N6AWE ($74/yr, 391 kWh/yr) runs slightly more.
Same brand, different models
Ranked 10 of Insignia's 27 certified freezers, this sits between the NS-UZ70SS27 ($56/yr, the brand's cheapest) and the NS-UZ21WH0* ($93/yr, its priciest).
Lifespan
NAHB's Study of Life Expectancy of Home Components does not publish a figure for freezers, so no lifetime cost is shown here rather than a guessed one. The annual and monthly figures above stand on their own.
Is it worth replacing?
Efficient as certified freezers go, $74/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-UZ14****** ever needs replacing, a repair is the more common failure for a freezer, one a protection plan budgets for ahead of time.
How this was checked
Two sourced numbers, nothing modeled: ENERGY STAR's certified kWh/yr for this exact model, and EIA's published state electricity rate. At rank 235 of 658 for running cost, see the freezer category page for the rest of the field, or the guide to how much your state matters.