WattCost

Data through April 2026

Running cost · Computer Monitors · ENERGY STAR certified

ASUS VZ24E

The ASUS VZ24E's certified consumption is 40 kWh per year, which prices out to about $7.48 at the national average rate — your hours of use scale that directly. Compared with the median certified computer monitor, it uses 12% less electricity — rank 460 out of 1482. Where you live moves the bill from $4.90 a year in North Dakota to $19 in Hawaii.

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

$7.48/yr

$2.09 · cheapest certified computer monitors$76 · priciest
Per month
$0.62
Per day
Certified use
40 kWh/yr
Screen size
23.8 in
Panel
TFT LCD
On-mode power
12.59 W
Sleep-mode power
0.2 W
11 kWh403 kWh
Where the ASUS VZ24E (▮) sits among all 1,482 certified computer monitors, by annual kWh

What it costs in every state

ASUS VZ24E: 40 kWh/yr × each state's average residential rate (EIA)
StateRate ¢/kWhThis model $/yrRelative cost
Alabama17.4¢$6.91
Alaska27.4¢$11
Arizona15.5¢$6.15
Arkansas14.2¢$5.62
California35.3¢$14
Colorado16.5¢$6.57
Connecticut32.2¢$13
Delaware18.8¢$7.46
District of Columbia25.4¢$10
Florida15.4¢$6.11
Georgia15.4¢$6.10
Hawaiipriciest46.6¢$19
Idaho12.7¢$5.04
Illinois20.5¢$8.13
Indiana17.9¢$7.11
Iowa13.9¢$5.50
Kansas15.8¢$6.27
Kentucky15.0¢$5.96
Louisiana14.4¢$5.73
Maine28.4¢$11
Maryland22.1¢$8.76
Massachusetts29.4¢$12
Michigan21.4¢$8.49
Minnesota16.4¢$6.51
Mississippi16.8¢$6.66
Missouri14.0¢$5.56
Montana13.9¢$5.52
Nebraska13.3¢$5.27
Nevada14.3¢$5.67
New Hampshire27.2¢$11
New Jersey23.5¢$9.34
New Mexico15.2¢$6.02
New York29.4¢$12
North Carolina16.3¢$6.45
North Dakotacheapest12.3¢$4.90
Ohio19.5¢$7.74
Oklahoma13.3¢$5.29
Oregon15.8¢$6.27
Pennsylvania21.5¢$8.53
Rhode Island28.3¢$11
South Carolina17.1¢$6.77
South Dakota14.5¢$5.77
Tennessee14.9¢$5.93
Texas17.0¢$6.75
Utah13.3¢$5.28
Vermont24.6¢$9.75
Virginia17.4¢$6.90
Washington14.4¢$5.70
West Virginia16.1¢$6.38
Wisconsin19.2¢$7.63
Wyoming14.7¢$5.83

Certified models closest in efficiency

computer monitors within reach of 40 kWh/yr
ModelkWh/yr$/yr (US avg)
Lenovo A16240WT040$7.48
ASUS PA278QVmost efficient40$7.48
DELL S2725HSMt40$7.48
HP P22 G540$7.48
Acer UT272Umost efficient40$7.47
AOpen 27UT2Umost efficient40$7.47

Run your own numbers

Your rate, your numbers

Per day
Per month
$0.63
Per year
$7.53

40 kWh/yr × 18.8¢/kWh = $7.53/yr

Prefilled with this model's certified 40 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 VZ24E use?
ENERGY STAR certifies the ASUS VZ24E at 40 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 VZ24E cost to run per month?
About $0.62 a month at the U.S. average residential rate (18.8¢/kWh) — 2¢ a day, or $7.48 a year. Your state's rate moves this up or down; see the table above.
Is the ASUS VZ24E energy efficient?
It uses 12% less electricity than the median certified computer monitor, placing it in the efficient third of certified models.
What does the ASUS VZ24E cost to run in the cheapest vs. priciest state?
At current residential rates it costs about $4.90 a year in North Dakota (12.3¢/kWh) and $19 in Hawaii (46.6¢/kWh).

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