Cost to Run a Laptop 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 (6 hours/day), a laptop here costs $1.87 per month.
Per hour
1.0¢
at 30–100 W
Per day
6.2¢
6 hours/day
Per month
$1.87
11 kWh
Per year
$22.47
131 kWh
By usage level in South Carolina
| Usage | Per day | Per month | Per year |
|---|---|---|---|
| Light (3 hrs/day) | 3.1¢ | $0.94 | $11.23 |
| Typical (6 hrs/day) | 6.2¢ | $1.87 | $22.47 |
| Heavy (12 hrs/day) | $0.12 | $3.74 | $44.94 |
South Carolina vs. the rest of the country
Monthly cost at typical usage.
Frequently asked questions
How much does it cost to run a laptop in South Carolina?
At South Carolina's current average residential rate of 17.1¢/kWh (April 2026), a laptop with typical usage costs about 6.2¢ per day, $1.87 per month, or $22.47 per year.
Is running a laptop in South Carolina more expensive than average?
No — it's cheaper. South Carolina's rate is about 9% below the U.S. average: $1.87 per month here versus $2.06 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.