How much does a computer monitor cost per month in South Carolina?

About 77.8¢ a month, assuming 30 W, 8 hours a day, 250 days a year at 15.55¢/kWh.

How many kilowatt-hours does a computer monitor use?

Roughly 60 kWh a year under these assumptions, or 0.03 kWh for every hour it runs.

Is that expensive compared with other states?

South Carolina has the 21st cheapest average residential rate in the country, so this appliance costs less here than the U.S. average of $11.00 a year.

Home › Computer monitor › South Carolina

Cost to run a computer monitor in South Carolina (June 2026 rates)

At 15.55¢ per kilowatt-hour — South Carolina's average residential price in June 2026 — running a computer monitor costs $9.33 a year. That is 15% less than the national average of $11.00. South Carolina's residential rate is up 5.1% from June 2025, which moves this appliance from $8.87 to $9.33 a year.

Per hour: 0.5¢
Per day of use: 3.7¢
Per month: 77.8¢
Per year: $9.33

Assumption: 30 W, 8 hours a day, 250 days a year — 60 kWh a year. A 27-inch IPS panel at moderate brightness. Larger, brighter or HDR panels run two to three times this. Use the calculator to swap in the numbers from your own model.

How South Carolina compares

South Carolina pays 15.55¢/kWh, the 21st cheapest residential electricity of the 51 U.S. jurisdictions EIA reports. For this appliance that works out to $1.67 less a year than the typical U.S. household pays for the same use. Running the same computer monitor costs $7.87 a year in Nevada and $31.63 in Hawaii, so where you live changes this bill by $23.77 a year.

State	Rate	Per month	Per year
South Dakota	15.36¢	76.8¢	$9.22
West Virginia	15.45¢	77.2¢	$9.27
South Carolina	15.55¢	77.8¢	$9.33
Kansas	15.71¢	78.6¢	$9.43
Iowa	15.93¢	79.7¢	$9.56

States ranked by average residential price, cheapest first. See all 51 states for a computer monitor.

What else costs about the same in South Carolina

3d printer$10.08 a year in SC Security camera$6.81 a year in SC Electric pressure cooker$6.53 a year in SC

Cutting the number down

Brightness is the dominant variable. Dropping from 100% to 60% is a real cut in draw and usually more comfortable.

Questions

How much does a computer monitor cost per month in South Carolina?: About 77.8¢ a month, assuming 30 W, 8 hours a day, 250 days a year at 15.55¢/kWh.
How many kilowatt-hours does a computer monitor use?: Roughly 60 kWh a year under these assumptions, or 0.03 kWh for every hour it runs.
Is that expensive compared with other states?: South Carolina has the 21st cheapest average residential rate in the country, so this appliance costs less here than the U.S. average of $11.00 a year.