Cost to Run a Dehumidifier in South Carolina
South Carolina's average residential electricity rate is 15.5¢/kWh as of July 2026 — the 20th cheapest in the country, 15% below the U.S. average. At typical usage (10 hours/day), a dehumidifier here costs $23.56 per month.
Per hour
7.8¢
at 300–700 W
Per day
$0.78
10 hours/day
Per month
$23.56
152 kWh
Per year
$283
1,825 kWh
By usage level in South Carolina
| Usage | Per day | Per month | Per year |
|---|---|---|---|
| Light (5 hrs/day) | $0.39 | $11.78 | $141 |
| Typical (10 hrs/day) | $0.78 | $23.56 | $283 |
| Heavy (20 hrs/day) | $1.55 | $47.12 | $566 |
South Carolina vs. the rest of the country
Monthly cost at typical usage.
Frequently asked questions
How much does it cost to run a dehumidifier in South Carolina?
At South Carolina's current average residential rate of 15.5¢/kWh (July 2026), a dehumidifier with typical usage costs about $0.78 per day, $23.56 per month, or $283 per year.
Is running a dehumidifier in South Carolina more expensive than average?
No — it's cheaper. South Carolina's rate is about 15% below the U.S. average: $23.56 per month here versus $27.82 nationally.
What does electricity cost in South Carolina right now?
South Carolina residents pay an average of 15.5¢ per kWh as of July 2026 — the 20th cheapest rate of the 51 U.S. jurisdictions we track.