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Data through June 2026

Running cost · Computer Monitors · ENERGY STAR certified

BenQ GL2480-B

At the standardized usage ENERGY STAR assumes, the BenQ GL2480-B consumes 35 kWh a year — about $6.47 at the U.S. average electricity rate ($0.54 a month). Compared with the median certified computer monitor, it uses 22% less electricity — rank 247 out of 1530. The same unit costs $4.63 a year in Nevada but $19 in Hawaii — electricity rates, not the appliance, make the difference.

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

$6.47/yr

$2.04 · cheapest certified computer monitors$74 · priciest
Per month
$0.54
Per day
2¢
Certified use
35 kWh/yr
Screen size
24 in
Panel
TN LCD
On-mode power
11.1 W
Sleep-mode power
0.2 W
11 kWh403 kWh
Where the BenQ GL2480-B (▮) sits among all 1,530 certified computer monitors, by annual kWh

What it costs in every state

BenQ GL2480-B: 35 kWh/yr × each state's average residential rate (EIA)
StateRate ¢/kWhThis model $/yrRelative cost
Alabama16.4¢$5.79
Alaska28.2¢$9.96
Arizona15.2¢$5.36
Arkansas14.1¢$4.98
California34.7¢$12
Colorado17.1¢$6.05
Connecticut24.3¢$8.58
Delaware19.3¢$6.81
District of Columbia24.4¢$8.61
Florida15.1¢$5.33
Georgia16.4¢$5.78
Hawaiipriciest52.7¢$19
Idaho14.4¢$5.07
Illinois19.9¢$7.02
Indiana17.5¢$6.18
Iowa15.9¢$5.62
Kansas15.7¢$5.55
Kentucky14.3¢$5.03
Louisiana13.5¢$4.76
Maine29.6¢$10
Maryland21.8¢$7.71
Massachusetts29.6¢$10
Michigan23.0¢$8.12
Minnesota17.5¢$6.18
Mississippi14.9¢$5.25
Missouri16.2¢$5.73
Montana15.1¢$5.34
Nebraska13.3¢$4.68
Nevadacheapest13.1¢$4.63
New Hampshire27.0¢$9.53
New Jersey24.9¢$8.81
New Mexico15.1¢$5.32
New York29.5¢$10
North Carolina14.7¢$5.20
North Dakota14.1¢$4.98
Ohio19.2¢$6.77
Oklahoma14.3¢$5.06
Oregon16.3¢$5.76
Pennsylvania21.7¢$7.67
Rhode Island29.2¢$10
South Carolina15.6¢$5.49
South Dakota15.4¢$5.42
Tennessee14.1¢$4.97
Texas15.9¢$5.63
Utah13.4¢$4.72
Vermont24.4¢$8.63
Virginia17.2¢$6.08
Washington14.9¢$5.26
West Virginia15.4¢$5.45
Wisconsin19.6¢$6.90
Wyoming15.2¢$5.38

Certified models closest in efficiency

computer monitors within reach of 35 kWh/yr
ModelkWh/yr$/yr (US avg)
LG 24BA56035$6.47
PHILIPS 223V7QJAB35$6.48
DELL E2726HStmost efficient35$6.47
PLANAR PCT227535$6.48
ASUS VY279HGRmost efficient35$6.48
ASUS VZ279HGmost efficient35$6.48

Run your own numbers

Your rate, your numbers

Per day
2¢
Per month
$0.53
Per year
$6.42

35 kWh/yr × 18.3¢/kWh = $6.42/yr

Prefilled with this model's certified 35 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 GL2480-B use?
ENERGY STAR certifies the BenQ GL2480-B at 35 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 GL2480-B cost to run per month?
About $0.54 a month at the U.S. average residential rate (18.3¢/kWh) — 2¢ a day, or $6.47 a year. Your state's rate moves this up or down; see the table above.
Is the BenQ GL2480-B energy efficient?
It uses 22% less electricity than the median certified computer monitor, placing it in the efficient third of certified models.
What does the BenQ GL2480-B cost to run in the cheapest vs. priciest state?
At current residential rates it costs about $4.63 a year in Nevada (13.1¢/kWh) and $19 in Hawaii (52.7¢/kWh).

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