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Data through June 2026

Running cost · Computer Monitors · ENERGY STAR certified

BenQ RD280UG-J

The BenQ RD280UG-J's certified consumption is 89 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: 98% more electricity than the median computer monitor, ranked 1360 of 1530. Where you live moves the bill from $12 a year in Nevada to $47 in Hawaii.

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

$16/yr

$2.04 · cheapest certified computer monitors$74 · priciest
Per month
$1.36
Per day
4¢
Certified use
89 kWh/yr
Screen size
28.2 in
Panel
IPS LCD
On-mode power
28.7 W
Sleep-mode power
0.22 W
11 kWh403 kWh
Where the BenQ RD280UG-J (▮) sits among all 1,530 certified computer monitors, by annual kWh

What it costs in every state

BenQ RD280UG-J: 89 kWh/yr × each state's average residential rate (EIA)
StateRate ¢/kWhThis model $/yrRelative cost
Alabama16.4¢$15
Alaska28.2¢$25
Arizona15.2¢$14
Arkansas14.1¢$13
California34.7¢$31
Colorado17.1¢$15
Connecticut24.3¢$22
Delaware19.3¢$17
District of Columbia24.4¢$22
Florida15.1¢$13
Georgia16.4¢$15
Hawaiipriciest52.7¢$47
Idaho14.4¢$13
Illinois19.9¢$18
Indiana17.5¢$16
Iowa15.9¢$14
Kansas15.7¢$14
Kentucky14.3¢$13
Louisiana13.5¢$12
Maine29.6¢$26
Maryland21.8¢$19
Massachusetts29.6¢$26
Michigan23.0¢$21
Minnesota17.5¢$16
Mississippi14.9¢$13
Missouri16.2¢$14
Montana15.1¢$14
Nebraska13.3¢$12
Nevadacheapest13.1¢$12
New Hampshire27.0¢$24
New Jersey24.9¢$22
New Mexico15.1¢$13
New York29.5¢$26
North Carolina14.7¢$13
North Dakota14.1¢$13
Ohio19.2¢$17
Oklahoma14.3¢$13
Oregon16.3¢$15
Pennsylvania21.7¢$19
Rhode Island29.2¢$26
South Carolina15.6¢$14
South Dakota15.4¢$14
Tennessee14.1¢$13
Texas15.9¢$14
Utah13.4¢$12
Vermont24.4¢$22
Virginia17.2¢$15
Washington14.9¢$13
West Virginia15.4¢$14
Wisconsin19.6¢$17
Wyoming15.2¢$14

Certified models closest in efficiency

computer monitors within reach of 89 kWh/yr
ModelkWh/yr$/yr (US avg)
PHILIPS 34B2N3500C89$16
Samsung S27H800UAN89$16
PLANAR PZN3815Q89$16
ASUS PA27DCE89$16
ASUS PA32D89$16
ASUS VA34V90$16

Run your own numbers

Your rate, your numbers

Per day
4¢
Per month
$1.36
Per year
$16

89 kWh/yr × 18.3¢/kWh = $16/yr

Prefilled with this model's certified 89 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 RD280UG-J use?
ENERGY STAR certifies the BenQ RD280UG-J at 89 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 RD280UG-J cost to run per month?
About $1.36 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 RD280UG-J energy efficient?
It uses 98% more electricity than the median certified computer monitor, which puts it among the least efficient certified models.
What does the BenQ RD280UG-J cost to run in the cheapest vs. priciest state?
At current residential rates it costs about $12 a year in Nevada (13.1¢/kWh) and $47 in Hawaii (52.7¢/kWh).

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