How much does a computer monitor cost per month in New Jersey?

About $1.26 a month, assuming 30 W, 8 hours a day, 250 days a year at 25.19¢/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?

New Jersey has the 10th most expensive average residential rate in the country, so this appliance costs more here than the U.S. average of $10.99 a year.

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Cost to run a computer monitor in New Jersey (July 2026 rates)

At 25.19¢ per kilowatt-hour — New Jersey's average residential price in July 2026 — running a computer monitor costs $15.11 a year. That is 38% more than the national average of $10.99. New Jersey's residential rate is down 0.5% from July 2025, which moves this appliance from $15.19 to $15.11 a year.

Per hour: 0.8¢
Per day of use: 6.0¢
Per month: $1.26
Per year: $15.11

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 New Jersey compares

New Jersey pays 25.19¢/kWh, the 10th most expensive residential electricity of the 51 U.S. jurisdictions EIA reports. For this appliance that works out to $4.13 more a year than the typical U.S. household pays for the same use. Running the same computer monitor costs $7.63 a year in Louisiana and $28.80 in Hawaii, so where you live changes this bill by $21.17 a year.

State	Rate	Per month	Per year
Vermont	23.75¢	$1.19	$14.25
Connecticut	24.16¢	$1.21	$14.50
New Jersey	25.19¢	$1.26	$15.11
District of Columbia	25.21¢	$1.26	$15.13
New Hampshire	26.60¢	$1.33	$15.96

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

What else costs about the same in New Jersey

3d printer$16.32 a year in NJ Security camera$11.03 a year in NJ Electric pressure cooker$10.58 a year in NJ

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 New Jersey?: About $1.26 a month, assuming 30 W, 8 hours a day, 250 days a year at 25.19¢/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?: New Jersey has the 10th most expensive average residential rate in the country, so this appliance costs more here than the U.S. average of $10.99 a year.