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Data through April 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 $17 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 1314 of 1482. Where you live moves the bill from $11 a year in North Dakota to $42 in Hawaii.

Estimated annual running cost · U.S. average rate 18.8¢/kWh

$17/yr

$2.09 · cheapest certified computer monitors$76 · priciest
Per month
$1.40
Per day
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 1,482 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
Alabama17.4¢$16
Alaska27.4¢$24
Arizona15.5¢$14
Arkansas14.2¢$13
California35.3¢$31
Colorado16.5¢$15
Connecticut32.2¢$29
Delaware18.8¢$17
District of Columbia25.4¢$23
Florida15.4¢$14
Georgia15.4¢$14
Hawaiipriciest46.6¢$42
Idaho12.7¢$11
Illinois20.5¢$18
Indiana17.9¢$16
Iowa13.9¢$12
Kansas15.8¢$14
Kentucky15.0¢$13
Louisiana14.4¢$13
Maine28.4¢$25
Maryland22.1¢$20
Massachusetts29.4¢$26
Michigan21.4¢$19
Minnesota16.4¢$15
Mississippi16.8¢$15
Missouri14.0¢$13
Montana13.9¢$12
Nebraska13.3¢$12
Nevada14.3¢$13
New Hampshire27.2¢$24
New Jersey23.5¢$21
New Mexico15.2¢$14
New York29.4¢$26
North Carolina16.3¢$15
North Dakotacheapest12.3¢$11
Ohio19.5¢$17
Oklahoma13.3¢$12
Oregon15.8¢$14
Pennsylvania21.5¢$19
Rhode Island28.3¢$25
South Carolina17.1¢$15
South Dakota14.5¢$13
Tennessee14.9¢$13
Texas17.0¢$15
Utah13.3¢$12
Vermont24.6¢$22
Virginia17.4¢$16
Washington14.4¢$13
West Virginia16.1¢$14
Wisconsin19.2¢$17
Wyoming14.7¢$13

Certified models closest in efficiency

computer monitors within reach of 89 kWh/yr
ModelkWh/yr$/yr (US avg)
PHILIPS 34B2N3500C89$17
Samsung S27H800UAN89$17
PLANAR PZN3815Q89$17
ASUS PA27DCE89$17
ASUS PA32D89$17
ASUS VA34V90$17

Run your own numbers

Your rate, your numbers

Per day
Per month
$1.40
Per year
$17

89 kWh/yr × 18.8¢/kWh = $17/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 $1.40 a month at the U.S. average residential rate (18.8¢/kWh) — 5¢ a day, or $17 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 $11 a year in North Dakota (12.3¢/kWh) and $42 in Hawaii (46.6¢/kWh).

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