What the Whirlpool WRT138FFD* costs to run
At 370 kWh/yr, the Whirlpool WRT138FFD*'s ENERGY STAR certification puts it about average for its category to run against every other certified refrigerator.
That $70 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 Whirlpool WRT138FFD* compares to other refrigerators
Against the category average of 386 kWh/yr, this model uses 4.1% less, ranking 2,725 of 4,704 refrigerators tracked here for running cost. 4,704 certified refrigerators, one average, about $3/year of daylight between it and this model; the full methodology has the rest.
Neighbouring models
Right next to the Whirlpool WRT138FFD* on that list: Summit LBF249 ($70/yr, 370 kWh/yr) runs slightly less, while Whirlpool WRT138FZD* ($70/yr, 370 kWh/yr) runs slightly more.
Comparing Whirlpool's own models
Ranked 39 of Whirlpool's 156 certified refrigerators, this sits between the AMA27S1E ($40/yr, the brand's cheapest) and the WRF995FIF*** ($142/yr, its priciest).
Cost over its typical lifespan
13 years is NAHB's typical service life for this category; at $70/year, the Whirlpool WRT138FFD* adds up to about $904 in electricity over that span.
Is it worth replacing?
Efficient as certified refrigerators go, $70/year is a reasonable baseline if you're comparing what else is on the market.
Worth comparing a few current certified models before deciding.
If you're keeping it
A refrigerator like the Whirlpool WRT138FFD* 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.
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. Ranked 2,725 of 4,704, the Whirlpool WRT138FFD* 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.