Cost to Run a Dehumidifier in South Carolina
South Carolina's average residential electricity rate is 17.1¢/kWh as of April 2026 — the 29th cheapest in the country, 9% below the U.S. average. At typical usage (10 hours/day), a dehumidifier here costs $25.99 per month.
Per hour
8.6¢
at 300–700 W
Per day
$0.86
10 hours/day
Per month
$25.99
152 kWh
Per year
$312
1,825 kWh
By usage level in South Carolina
| Usage | Per day | Per month | Per year |
|---|---|---|---|
| Light (5 hrs/day) | $0.43 | $13.00 | $156 |
| Typical (10 hrs/day) | $0.86 | $25.99 | $312 |
| Heavy (20 hrs/day) | $1.71 | $51.98 | $624 |
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 17.1¢/kWh (April 2026), a dehumidifier with typical usage costs about $0.86 per day, $25.99 per month, or $312 per year.
Is running a dehumidifier in South Carolina more expensive than average?
No — it's cheaper. South Carolina's rate is about 9% below the U.S. average: $25.99 per month here versus $28.58 nationally.
What does electricity cost in South Carolina right now?
South Carolina residents pay an average of 17.1¢ per kWh as of April 2026 — the 29th cheapest rate of the 51 U.S. jurisdictions we track.