How much does a laptop cost per month in Ohio?

About $1.95 a month, assuming 60 W, 8 hours a day, 250 days a year at 19.45¢/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?

Ohio has the 16th most expensive average residential rate in the country, so this appliance costs more here than the U.S. average of $21.97 a year.

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Cost to run a laptop in Ohio (July 2026 rates)

At 19.45¢ per kilowatt-hour — Ohio's average residential price in July 2026 — running a laptop costs $23.34 a year. That is 6% more than the national average of $21.97. Ohio's residential rate is up 11.9% from July 2025, which moves this appliance from $20.86 to $23.34 a year.

Per hour: 1.2¢
Per day of use: 9.3¢
Per month: $1.95
Per year: $23.34

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 Ohio compares

Ohio pays 19.45¢/kWh, the 16th most expensive residential electricity of the 51 U.S. jurisdictions EIA reports. For this appliance that works out to $1.37 more 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
Wisconsin	19.06¢	$1.91	$22.87
Illinois	19.22¢	$1.92	$23.06
Ohio	19.45¢	$1.95	$23.34
Maryland	21.41¢	$2.14	$25.69
Pennsylvania	21.72¢	$2.17	$26.06

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

What else costs about the same in Ohio

Air fryer$24.51 a year in OH Box fan$21.88 a year in OH Washing machine$25.29 a year in OH

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 Ohio?: About $1.95 a month, assuming 60 W, 8 hours a day, 250 days a year at 19.45¢/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?: Ohio has the 16th most expensive average residential rate in the country, so this appliance costs more here than the U.S. average of $21.97 a year.