Insignia NS-WC29SS26L: running cost
At 143 kWh/yr, the Insignia NS-WC29SS26L's ENERGY STAR certification puts it one of the cheaper models in its category to run against every other certified refrigerator.
That $27 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 63% less, ranking 93 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 $46/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-WC29SS26L: Honeywell H34WCB ($27/yr, 143 kWh/yr), then Insignia NS-WC29SS3 ($27/yr, 143 kWh/yr).
Comparing Insignia's own models
Ranked 2 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
Over the 13-year service life NAHB reports for this category, running the Insignia NS-WC29SS26L costs roughly $349 in electricity, separate from the purchase price.
Shopping for a new one
Efficient as certified refrigerators go, $27/year is a reasonable baseline if you're comparing what else is on the market.
Compare current ENERGY STAR certified refrigerators before buying.
If you're keeping it
A refrigerator like the Insignia NS-WC29SS26L is a real household expense whether or not it needs replacing yet; a protection plan is one way to budget for a repair rather than a full replacement.
Where this number comes from
Two sourced numbers, nothing modeled: ENERGY STAR's certified kWh/yr for this exact model, and EIA's published state electricity rate. Ranked 93 of 4,704, the Insignia NS-WC29SS26L 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.