Cost to Run a Computer Monitor 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 (8 hours/day), a computer monitor here costs $1.29 per month.
Per hour
0.5¢
at 20–60 W
Per day
4.2¢
8 hours/day
Per month
$1.29
7.5 kWh
Per year
$15.48
91 kWh
By usage level in South Carolina
| Usage | Per day | Per month | Per year |
|---|---|---|---|
| Light (4 hrs/day) | 2.1¢ | $0.64 | $7.74 |
| Typical (8 hrs/day) | 4.2¢ | $1.29 | $15.48 |
| Heavy (16 hrs/day) | 8.5¢ | $2.58 | $30.96 |
South Carolina vs. the rest of the country
Monthly cost at typical usage.
Frequently asked questions
How much does it cost to run a computer monitor in South Carolina?
At South Carolina's current average residential rate of 17.1¢/kWh (April 2026), a computer monitor with typical usage costs about 4.2¢ per day, $1.29 per month, or $15.48 per year.
Is running a computer monitor in South Carolina more expensive than average?
No — it's cheaper. South Carolina's rate is about 9% below the U.S. average: $1.29 per month here versus $1.42 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.