Running cost for the Smeg WM24UWH
The Smeg WM24UWH is certified by ENERGY STAR at 106 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.
How the Smeg WM24UWH compares to other washing machines
Against the category average of 123 kWh/yr, this model uses 13.8% less, ranking 166 of 398 washing machines tracked here for running cost. 398 certified washing machines, one average, about $3/year of daylight between it and this model; the full methodology has the rest.
Neighbouring models
Right next to the Smeg WM24UWH on that list: Blomberg WM98220SX* ($20/yr, 106 kWh/yr) runs slightly less, while Haier QFW150S*N*** ($20/yr, 108 kWh/yr) runs slightly more.
Within the Smeg lineup
The Smeg WM24UWH is the only washing machine from Smeg that ENERGY STAR currently certifies, so there's no same-brand model to weigh it against here, only the full washing machine category.
What this adds up to over time
NAHB's Study of Life Expectancy of Home Components puts a typical washing machine's service life at 10 years; run the Smeg WM24UWH that long and it costs about $199 in electricity, on top of whatever it cost to buy.
Shopping for a new one
Efficient as certified washing machines go, $20/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
A washing machine like the Smeg WM24UWH is a real household expense whether or not it needs replacing yet; a protection plan is one way to budget for a repair rather than a full replacement.
How this was checked
Two sourced numbers, nothing modeled: ENERGY STAR's certified kWh/yr for this exact model, and EIA's published state electricity rate. Ranked 166 of 398, the Smeg WM24UWH sits in the middle of the washing machine category, see the guide to why your state changes this number for the other half of the math.