What the Marathon MFF103W costs to run
The Marathon MFF103W is certified by ENERGY STAR at 297 kWh a year, cheaper than most models in its category to run among refrigerators currently certified.
The $56 figure above uses the simple average of all 51 published state rates. Pick your state for the real number.
Where this ranks
That's 23.1% below the refrigerator category average of 386 kWh/yr, and ranks 1,729 of 4,704 certified refrigerators for annual running cost, 1 being cheapest. Every one of the 4,704 currently-certified refrigerators feeds that average, putting this model about $17/year under it. See how it's calculated on the how it is calculated page.
The closest alternatives by cost
Sorted by running cost among refrigerators, one step cheaper is Marathon MFF101W ($56/yr, 297 kWh/yr), and one step pricier is MicroFridge 10.1MF1R ($56/yr, 297 kWh/yr).
Within the Marathon lineup
Marathon makes 57 ENERGY STAR certified refrigerators; this one ranks 21 of 57 for running cost, between the brand's cheapest, the M4-100BLS at $25/yr, and its priciest, the MFF208WFD-2 at $87/yr.
What this adds up to over time
Over the 13-year service life NAHB reports for this category, running the Marathon MFF103W costs roughly $726 in electricity, separate from the purchase price.
Weighing a replacement
The Marathon MFF103W is already efficient for its category at $56/year. If you're shopping and comparing options, this is roughly what a well-chosen new refrigerator costs to run.
See what else is certified in this category before you decide.
Protecting what you have
Whether or not the Marathon MFF103W ever needs replacing, a repair is the more common failure for a refrigerator, one a protection plan budgets for ahead of time.
The data behind this page
Two sourced numbers, nothing modeled: ENERGY STAR's certified kWh/yr for this exact model, and EIA's published state electricity rate. Ranked 1,729 of 4,704, the Marathon MFF103W 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.