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Cost to run a dehumidifier in Rhode Island
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$0.13/hour
Dehumidifier at 450 W in Rhode Island (28.18¢/kWh) · $38.55/month at 10 h/day
By hours of use
| Use | Per day | Per month | Per year |
|---|---|---|---|
| 1 h/day | $0.13 | $3.86 | $46.29 |
| 2 h/day | $0.25 | $7.71 | $92.57 |
| 4 h/day | $0.51 | $15.42 | $185.14 |
| 8 h/day | $1.01 | $30.84 | $370.29 |
| 10 h/day | $1.27 | $38.55 | $462.86 |
| 12 h/day | $1.52 | $46.26 | $555.43 |
| 24 h/day | $3.04 | $92.52 | $1,110.86 |
Portable dehumidifiers draw about 300-700 W; Energy Star models remove more water per kWh.
Same appliance, nearby states
| State | ¢/kWh | Per month |
|---|---|---|
| Rhode Island | 28.18 | $38.55 |
| New Jersey | 24.61 | $33.67 |
| District of Columbia | 25.98 | $35.54 |
| New Hampshire | 27.64 | $37.81 |
| New York | 28.65 | $39.19 |
| Alaska | 29.41 | $40.23 |
| California | 29.75 | $40.70 |
FAQ
How much does it cost to run a dehumidifier in Rhode Island?
At 450 W and 28.18¢/kWh: $0.13 per hour, $1.27 per day and $38.55 per month at 10 h/day.
How does Rhode Island 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 Rhode Island
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