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Data through June 2026

Running cost · Computer Monitors · ENERGY STAR certified

BenQ MA320U-B

The BenQ MA320U-B's certified consumption is 86 kWh per year, which prices out to about $16 at the national average rate — your hours of use scale that directly. Even among certified models it's on the thirsty end: 90% more electricity than the median computer monitor, ranked 1338 of 1530. The same unit costs $11 a year in Nevada but $45 in Hawaii — electricity rates, not the appliance, make the difference.

Estimated annual running cost · U.S. average rate 18.3¢/kWh

$16/yr

$2.04 · cheapest certified computer monitors$74 · priciest
Per month
$1.31
Per day
4¢
Certified use
86 kWh/yr
Screen size
31.5 in
Panel
IPS LCD
On-mode power
27.4 W
Sleep-mode power
0.29 W
11 kWh403 kWh
Where the BenQ MA320U-B (▮) sits among all 1,530 certified computer monitors, by annual kWh

What it costs in every state

BenQ MA320U-B: 86 kWh/yr × each state's average residential rate (EIA)
StateRate ¢/kWhThis model $/yrRelative cost
Alabama16.4¢$14
Alaska28.2¢$24
Arizona15.2¢$13
Arkansas14.1¢$12
California34.7¢$30
Colorado17.1¢$15
Connecticut24.3¢$21
Delaware19.3¢$17
District of Columbia24.4¢$21
Florida15.1¢$13
Georgia16.4¢$14
Hawaiipriciest52.7¢$45
Idaho14.4¢$12
Illinois19.9¢$17
Indiana17.5¢$15
Iowa15.9¢$14
Kansas15.7¢$13
Kentucky14.3¢$12
Louisiana13.5¢$12
Maine29.6¢$25
Maryland21.8¢$19
Massachusetts29.6¢$25
Michigan23.0¢$20
Minnesota17.5¢$15
Mississippi14.9¢$13
Missouri16.2¢$14
Montana15.1¢$13
Nebraska13.3¢$11
Nevadacheapest13.1¢$11
New Hampshire27.0¢$23
New Jersey24.9¢$21
New Mexico15.1¢$13
New York29.5¢$25
North Carolina14.7¢$13
North Dakota14.1¢$12
Ohio19.2¢$16
Oklahoma14.3¢$12
Oregon16.3¢$14
Pennsylvania21.7¢$19
Rhode Island29.2¢$25
South Carolina15.6¢$13
South Dakota15.4¢$13
Tennessee14.1¢$12
Texas15.9¢$14
Utah13.4¢$11
Vermont24.4¢$21
Virginia17.2¢$15
Washington14.9¢$13
West Virginia15.4¢$13
Wisconsin19.6¢$17
Wyoming15.2¢$13

Certified models closest in efficiency

computer monitors within reach of 86 kWh/yr
ModelkWh/yr$/yr (US avg)
Samsung S34A650UBN86$16
PHILIPS 288E2E86$16
BenQ MA320UG-T86$16
MSI Modern MD272UPSW85$16
BenQ PD2770U-B85$16
ViewSonic VS1989286$16

Run your own numbers

Your rate, your numbers

Per day
4¢
Per month
$1.31
Per year
$16

86 kWh/yr × 18.3¢/kWh = $16/yr

Prefilled with this model's certified 86 kWh/yr — adjust if your usage differs from the DOE test basis. The certified annual kWh (TEC) assumes the monitor is on 35% of the day and asleep the other 65%, per the ENERGY STAR test basis.

Questions, answered with the data

How much electricity does the BenQ MA320U-B use?
ENERGY STAR certifies the BenQ MA320U-B at 86 kWh per year. The certified annual kWh (TEC) assumes the monitor is on 35% of the day and asleep the other 65%, per the ENERGY STAR test basis.
How much does the BenQ MA320U-B cost to run per month?
About $1.31 a month at the U.S. average residential rate (18.3¢/kWh) — 4¢ a day, or $16 a year. Your state's rate moves this up or down; see the table above.
Is the BenQ MA320U-B energy efficient?
It uses 90% more electricity than the median certified computer monitor, which puts it among the least efficient certified models.
What does the BenQ MA320U-B cost to run in the cheapest vs. priciest state?
At current residential rates it costs about $11 a year in Nevada (13.1¢/kWh) and $45 in Hawaii (52.7¢/kWh).

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