Washing machines draw 500–2,000 watts during active washing and spinning, but most cycles complete in 30–45 minutes. Energy use depends heavily on water temperature; hot water accounts for 80–90% of a washer's energy.
| Basis | Cost |
|---|---|
| Per hour (while running, 500 W typical) | $0.094 |
| Per day (1 h/day, 3/7 days) | $0.040 |
| Per month | $1.23 |
| Per year | $14.74 |
| Hourly range (small 350 W – large 900 W) | $0.066 – $0.17 |
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