How much does a computer monitor cost per month in Oregon?

About 81.6¢ a month, assuming 30 W, 8 hours a day, 250 days a year at 16.32¢/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?

Oregon has the 26th most expensive average residential rate in the country, so this appliance costs less here than the U.S. average of $11.00 a year.

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

At 16.32¢ per kilowatt-hour — Oregon's average residential price in June 2026 — running a computer monitor costs $9.79 a year. That is 11% less than the national average of $11.00. Oregon's residential rate is up 3.3% from June 2025, which moves this appliance from $9.48 to $9.79 a year.

Per hour: 0.5¢
Per day of use: 3.9¢
Per month: 81.6¢
Per year: $9.79

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 Oregon compares

Oregon pays 16.32¢/kWh, the 26th most expensive residential electricity of the 51 U.S. jurisdictions EIA reports. For this appliance that works out to $1.21 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
Texas	15.94¢	79.7¢	$9.56
Missouri	16.22¢	81.1¢	$9.73
Oregon	16.32¢	81.6¢	$9.79
Georgia	16.36¢	81.8¢	$9.82
Alabama	16.40¢	82.0¢	$9.84

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

What else costs about the same in Oregon

3d printer$10.58 a year in OR Security camera$7.15 a year in OR Electric pressure cooker$6.85 a year in OR

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 Oregon?: About 81.6¢ a month, assuming 30 W, 8 hours a day, 250 days a year at 16.32¢/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?: Oregon has the 26th most expensive average residential rate in the country, so this appliance costs less here than the U.S. average of $11.00 a year.