Cost to Run a Computer Monitor in South Carolina
South Carolina's average residential electricity rate is 16.2¢/kWh as of May 2026 — the 25th cheapest in the country, 12% below the U.S. average. At typical usage (8 hours/day), a computer monitor here costs $1.22 per month.
Per hour
0.5¢
at 20–60 W
Per day
4.0¢
8 hours/day
Per month
$1.22
7.5 kWh
Per year
$14.66
91 kWh
By usage level in South Carolina
| Usage | Per day | Per month | Per year |
|---|---|---|---|
| Light (4 hrs/day) | 2.0¢ | $0.61 | $7.33 |
| Typical (8 hrs/day) | 4.0¢ | $1.22 | $14.66 |
| Heavy (16 hrs/day) | 8.0¢ | $2.44 | $29.33 |
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 16.2¢/kWh (May 2026), a computer monitor with typical usage costs about 4.0¢ per day, $1.22 per month, or $14.66 per year.
Is running a computer monitor in South Carolina more expensive than average?
No — it's cheaper. South Carolina's rate is about 12% below the U.S. average: $1.22 per month here versus $1.39 nationally.
What does electricity cost in South Carolina right now?
South Carolina residents pay an average of 16.2¢ per kWh as of May 2026 — the 25th cheapest rate of the 51 U.S. jurisdictions we track.