Cost to Run a Electric Furnace 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 (5 hours/day), a electric furnace here costs $283 per month.
Per hour
$1.86
at 10,000–20,000 W
Per day
$9.30
5 hours/day
Per month
$283
1,824 kWh
Per year
$3,395
21,900 kWh
By usage level in South Carolina
| Usage | Per day | Per month | Per year |
|---|---|---|---|
| Light (2.5 hrs/day) | $4.65 | $141 | $1,697 |
| Typical (5 hrs/day) | $9.30 | $283 | $3,395 |
| Heavy (10 hrs/day) | $18.60 | $565 | $6,789 |
South Carolina vs. the rest of the country
Monthly cost at typical usage.
Frequently asked questions
How much does it cost to run a electric furnace in South Carolina?
At South Carolina's current average residential rate of 15.5¢/kWh (July 2026), a electric furnace with typical usage costs about $9.30 per day, $283 per month, or $3,395 per year.
Is running a electric furnace in South Carolina more expensive than average?
No — it's cheaper. South Carolina's rate is about 15% below the U.S. average: $283 per month here versus $334 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.