What the Wood's WFF100W costs to run
The Wood's WFF100W is certified by ENERGY STAR at 298 kWh a year, cheaper than most models in its category to run among refrigerators currently certified.
That $56 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 22.8% less, ranking 1,763 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 $17/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 WFF100W: Wood's WFF100SL ($56/yr, 298 kWh/yr), then Smeg Fab10UXXX ($56/yr, 299 kWh/yr).
Within the Wood's lineup
Ranked 4 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).
Cost over its typical lifespan
13 years is NAHB's typical service life for this category; at $56/year, the Wood's WFF100W adds up to about $728 in electricity over that span.
Is it worth replacing?
Efficient as certified refrigerators go, $56/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
The Wood's WFF100W already costs $56/year to run; a repair bill on top of that is the kind of expense a protection plan exists to smooth out.
Where this number comes from
Nothing here is estimated from a nameplate wattage; the 298 kWh/yr is ENERGY STAR's own certified figure for this model. 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.