Cost to Run a Heat Pump 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 (8 hours/day), a heat pump here costs $113 per month.
Per hour
$0.46
at 1,000–5,000 W
Per day
$3.72
8 hours/day
Per month
$113
730 kWh
Per year
$1,358
8,760 kWh
By usage level in South Carolina
| Usage | Per day | Per month | Per year |
|---|---|---|---|
| Light (4 hrs/day) | $1.86 | $56.54 | $679 |
| Typical (8 hrs/day) | $3.72 | $113 | $1,358 |
| Heavy (16 hrs/day) | $7.44 | $226 | $2,716 |
South Carolina vs. the rest of the country
Monthly cost at typical usage.
Frequently asked questions
How much does it cost to run a heat pump in South Carolina?
At South Carolina's current average residential rate of 15.5¢/kWh (July 2026), a heat pump with typical usage costs about $3.72 per day, $113 per month, or $1,358 per year.
Is running a heat pump in South Carolina more expensive than average?
No — it's cheaper. South Carolina's rate is about 15% below the U.S. average: $113 per month here versus $134 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.