How much does a laptop cost per month in North Carolina?

About $1.52 a month, assuming 60 W, 8 hours a day, 250 days a year at 15.16¢/kWh.

How many kilowatt-hours does a laptop use?

Roughly 120 kWh a year under these assumptions, or 0.06 kWh for every hour it runs.

Is that expensive compared with other states?

North Carolina has the 16th cheapest average residential rate in the country, so this appliance costs less here than the U.S. average of $21.97 a year.

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Cost to run a laptop in North Carolina (July 2026 rates)

At 15.16¢ per kilowatt-hour — North Carolina's average residential price in July 2026 — running a laptop costs $18.19 a year. That is 17% less than the national average of $21.97. North Carolina's residential rate is up 13.4% from July 2025, which moves this appliance from $16.04 to $18.19 a year.

Per hour: 0.9¢
Per day of use: 7.3¢
Per month: $1.52
Per year: $18.19

Assumption: 60 W, 8 hours a day, 250 days a year — 120 kWh a year. Charging and working. Once the battery is full, draw drops toward 20 to 30 W for light work. Use the calculator to swap in the numbers from your own model.

How North Carolina compares

North Carolina pays 15.16¢/kWh, the 16th cheapest residential electricity of the 51 U.S. jurisdictions EIA reports. For this appliance that works out to $3.78 less a year than the typical U.S. household pays for the same use. Running the same laptop costs $15.26 a year in Louisiana and $57.60 in Hawaii, so where you live changes this bill by $42.34 a year.

State	Rate	Per month	Per year
Montana	14.99¢	$1.50	$17.99
Florida	15.03¢	$1.50	$18.04
North Carolina	15.16¢	$1.52	$18.19
Kansas	15.27¢	$1.53	$18.32
South Dakota	15.37¢	$1.54	$18.44

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

What else costs about the same in North Carolina

Air fryer$19.10 a year in NC Box fan$17.05 a year in NC Washing machine$19.71 a year in NC

Cutting the number down

A laptop typically uses a fifth to a tenth of what a comparable desktop does for ordinary work.
The charger left plugged in with no laptop attached draws almost nothing on modern units.

Questions

How much does a laptop cost per month in North Carolina?: About $1.52 a month, assuming 60 W, 8 hours a day, 250 days a year at 15.16¢/kWh.
How many kilowatt-hours does a laptop use?: Roughly 120 kWh a year under these assumptions, or 0.06 kWh for every hour it runs.
Is that expensive compared with other states?: North Carolina has the 16th cheapest average residential rate in the country, so this appliance costs less here than the U.S. average of $21.97 a year.