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

About $1.35 a month, assuming 30 W, 8 hours a day, 250 days a year at 27.01¢/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 Hampshire has the 8th most expensive average residential rate in the country, so this appliance costs more here than the U.S. average of $11.00 a year.

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

At 27.01¢ per kilowatt-hour — New Hampshire's average residential price in June 2026 — running a computer monitor costs $16.21 a year. That is 47% more than the national average of $11.00. New Hampshire's residential rate is up 14.9% from June 2025, which moves this appliance from $14.11 to $16.21 a year.

Per hour: 0.8¢
Per day of use: 6.5¢
Per month: $1.35
Per year: $16.21

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 Hampshire compares

New Hampshire pays 27.01¢/kWh, the 8th most expensive residential electricity of the 51 U.S. jurisdictions EIA reports. For this appliance that works out to $5.20 more 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
Vermont	24.44¢	$1.22	$14.66
New Jersey	24.95¢	$1.25	$14.97
New Hampshire	27.01¢	$1.35	$16.21
Alaska	28.21¢	$1.41	$16.93
Rhode Island	29.23¢	$1.46	$17.54

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

What else costs about the same in New Hampshire

3d printer$17.50 a year in NH Security camera$11.83 a year in NH Electric pressure cooker$11.34 a year in NH

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 Hampshire?: About $1.35 a month, assuming 30 W, 8 hours a day, 250 days a year at 27.01¢/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 Hampshire has the 8th most expensive average residential rate in the country, so this appliance costs more here than the U.S. average of $11.00 a year.