Marathon M4-D200PANR: running cost
At 134 kWh/yr, the Marathon M4-D200PANR's ENERGY STAR certification puts it one of the cheaper models in its category to run against every other certified refrigerator.
That $25 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 65.3% less, ranking 67 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 $47/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 Marathon M4-D200PANR: Marathon M4-D200BLS ($25/yr, 134 kWh/yr), then Marathon M4-D200SS ($25/yr, 134 kWh/yr).
Comparing Marathon's own models
Ranked 8 of Marathon's 57 certified refrigerators, this sits between the M4-100BLS ($25/yr, the brand's cheapest) and the MFF208WFD-2 ($87/yr, its priciest).
Marathon M4-D200PANR over 13 years
NAHB's Study of Life Expectancy of Home Components puts a typical refrigerator's service life at 13 years; run the Marathon M4-D200PANR that long and it costs about $327 in electricity, on top of whatever it cost to buy.
Weighing a replacement
Efficient as certified refrigerators go, $25/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
$25/year to run is the predictable cost of the Marathon M4-D200PANR; a protection plan covers the unpredictable one, a repair bill.
Where this number comes from
Nothing here is estimated from a nameplate wattage; the 134 kWh/yr is ENERGY STAR's own certified figure for this model. Ranked 67 of 4,704, the Marathon M4-D200PANR 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.