Samsung WF45M55A Running Cost (Washing Machine)
What the Samsung WF45M55A costs to run
The Samsung WF45M55A is certified by ENERGY STAR at 105 kWh a year, cheaper than most models in its category to run among washing machines currently certified.
That $20 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 washing machine
Against the category average of 123 kWh/yr, this model uses 14.6% less, ranking 161 of 398 washing machines tracked here for running cost. That average is drawn from all 398 washing machines ENERGY STAR currently certifies, not an outside number, a $3/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 Samsung WF45M55A: LG WSGX201HA ($20/yr, 105 kWh/yr), then Samsung WV55M96A ($20/yr, 105 kWh/yr).
Within the Samsung lineup
Ranked 33 of Samsung's 66 certified washing machines, this sits between the WF45T60A ($17/yr, the brand's cheapest) and the WA54R76A ($31/yr, its priciest).
Samsung WF45M55A over 10 years
10 years is NAHB's typical service life for this category; at $20/year, the Samsung WF45M55A adds up to about $197 in electricity over that span.
Weighing a replacement
Efficient as certified washing machines go, $20/year is a reasonable baseline if you're comparing what else is on the market.
Compare current ENERGY STAR certified washing machines before buying.
If you're keeping it
At $20/year just to run, a washing machine is worth protecting against an unplanned repair bill on top of that.
Where this number comes from
The full Washing Machine category page shows all 398 washing machines ranked by cost; the state-rate guide covers the half of this number that isn't the appliance. The 105 kWh/yr figure is ENERGY STAR's own certification, not a wattage estimate; exact dataset IDs are on the data sources page.