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Data through June 2026

Running cost · Computer Monitors · ENERGY STAR certified

ASUS VU249

The ASUS VU249's certified consumption is 31 kWh per year, which prices out to about $5.73 at the national average rate — your hours of use scale that directly. Only a handful of certified computer monitors do better: it ranks 137 of 1530 and undercuts the median by 31%. The same unit costs $4.10 a year in Nevada but $16 in Hawaii — electricity rates, not the appliance, make the difference.

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

$5.73/yr

$2.04 · cheapest certified computer monitors$74 · priciest
Per month
$0.48
Per day
2¢
Certified use
31 kWh/yr
Screen size
23.8 in
Panel
AAS LCD
On-mode power
9.91 W
Sleep-mode power
0.15 W
11 kWh403 kWh
Where the ASUS VU249 (▮) sits among all 1,530 certified computer monitors, by annual kWh

What it costs in every state

ASUS VU249: 31 kWh/yr × each state's average residential rate (EIA)
StateRate ¢/kWhThis model $/yrRelative cost
Alabama16.4¢$5.12
Alaska28.2¢$8.81
Arizona15.2¢$4.74
Arkansas14.1¢$4.41
California34.7¢$11
Colorado17.1¢$5.35
Connecticut24.3¢$7.60
Delaware19.3¢$6.03
District of Columbia24.4¢$7.62
Florida15.1¢$4.72
Georgia16.4¢$5.11
Hawaiipriciest52.7¢$16
Idaho14.4¢$4.49
Illinois19.9¢$6.21
Indiana17.5¢$5.47
Iowa15.9¢$4.98
Kansas15.7¢$4.91
Kentucky14.3¢$4.45
Louisiana13.5¢$4.21
Maine29.6¢$9.24
Maryland21.8¢$6.82
Massachusetts29.6¢$9.25
Michigan23.0¢$7.18
Minnesota17.5¢$5.47
Mississippi14.9¢$4.65
Missouri16.2¢$5.07
Montana15.1¢$4.73
Nebraska13.3¢$4.14
Nevadacheapest13.1¢$4.10
New Hampshire27.0¢$8.44
New Jersey24.9¢$7.79
New Mexico15.1¢$4.70
New York29.5¢$9.21
North Carolina14.7¢$4.60
North Dakota14.1¢$4.41
Ohio19.2¢$5.99
Oklahoma14.3¢$4.48
Oregon16.3¢$5.10
Pennsylvania21.7¢$6.79
Rhode Island29.2¢$9.13
South Carolina15.6¢$4.86
South Dakota15.4¢$4.80
Tennessee14.1¢$4.40
Texas15.9¢$4.98
Utah13.4¢$4.18
Vermont24.4¢$7.64
Virginia17.2¢$5.38
Washington14.9¢$4.66
West Virginia15.4¢$4.83
Wisconsin19.6¢$6.11
Wyoming15.2¢$4.76

Certified models closest in efficiency

computer monitors within reach of 31 kWh/yr
ModelkWh/yr$/yr (US avg)
DELL SE2225HMfmost efficient31$5.73
LG 20M35PH31$5.73
LG 20MK40L31$5.72
Sharp DD-E224FL31$5.74
ASUS MB16A31$5.71
LG 20U401A31$5.76

Run your own numbers

Your rate, your numbers

Per day
2¢
Per month
$0.47
Per year
$5.69

31 kWh/yr × 18.3¢/kWh = $5.69/yr

Prefilled with this model's certified 31 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 ASUS VU249 use?
ENERGY STAR certifies the ASUS VU249 at 31 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 ASUS VU249 cost to run per month?
About $0.48 a month at the U.S. average residential rate (18.3¢/kWh) — 2¢ a day, or $5.73 a year. Your state's rate moves this up or down; see the table above.
Is the ASUS VU249 energy efficient?
It uses 31% less electricity than the median certified computer monitor, placing it in the top 10% of certified models.
What does the ASUS VU249 cost to run in the cheapest vs. priciest state?
At current residential rates it costs about $4.10 a year in Nevada (13.1¢/kWh) and $16 in Hawaii (52.7¢/kWh).

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