Wood's WFF180S: running cost
At 366 kWh/yr, the Wood's WFF180S's ENERGY STAR certification puts it about average for its category to run against every other certified refrigerator.
That $69 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 5.2% less, ranking 2,645 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 $4/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 Wood's WFF180S: Wood's WFF180B ($69/yr, 366 kWh/yr), then Wood's WFF180SL ($69/yr, 366 kWh/yr).
Comparing Wood's's own models
Ranked 6 of Wood's's 8 certified refrigerators, this sits between the WFF100B ($56/yr, the brand's cheapest) and the WFF180W ($69/yr, its priciest).
Wood's WFF180S over 13 years
13 years is NAHB's typical service life for this category; at $69/year, the Wood's WFF180S adds up to about $895 in electricity over that span.
Shopping for a new one
Efficient as certified refrigerators go, $69/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
$69/year to run is the predictable cost of the Wood's WFF180S; a protection plan covers the unpredictable one, a repair bill.
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 2,645 of 4,704, the Wood's WFF180S 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.