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Cost to run a dehumidifier in South Dakota
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$0.07/hour
Dehumidifier at 450 W in South Dakota (15.15¢/kWh) · $20.73/month at 10 h/day
By hours of use
| Use | Per day | Per month | Per year |
|---|---|---|---|
| 1 h/day | $0.07 | $2.07 | $24.88 |
| 2 h/day | $0.14 | $4.15 | $49.77 |
| 4 h/day | $0.27 | $8.29 | $99.54 |
| 8 h/day | $0.55 | $16.58 | $199.07 |
| 10 h/day | $0.68 | $20.73 | $248.84 |
| 12 h/day | $0.82 | $24.87 | $298.61 |
| 24 h/day | $1.64 | $49.74 | $597.21 |
Portable dehumidifiers draw about 300-700 W; Energy Star models remove more water per kWh.
Same appliance, nearby states
| State | ¢/kWh | Per month |
|---|---|---|
| South Dakota | 15.15 | $20.73 |
| North Carolina | 14.95 | $20.45 |
| Florida | 14.99 | $20.51 |
| Arizona | 15.05 | $20.59 |
| Kansas | 15.47 | $21.16 |
| Montana | 15.57 | $21.30 |
| South Carolina | 15.76 | $21.56 |
FAQ
How much does it cost to run a dehumidifier in South Dakota?
At 450 W and 15.15¢/kWh: $0.07 per hour, $0.68 per day and $20.73 per month at 10 h/day.
How does South Dakota compare with other states?
The same use costs $17.40/month in Nevada (cheapest) and $64.54/month in Hawaii (most expensive); the US average is $24.84.
Price: EIA Electric Power Monthly, Table 5.6.A (residential, August 2026 preliminary; released October 23, 2026).
Dehumidifier cost calculator · Electricity cost in South Dakota
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