WattCost

Data through April 2026

Running cost · Computer Monitors · ENERGY STAR certified

ViewSonic VA2456A-MHD

The ViewSonic VA2456A-MHD's certified consumption is 36 kWh per year, which prices out to about $6.78 at the national average rate — your hours of use scale that directly. That's 20% less than the median certified computer monitor, placing it comfortably in the efficient third of the field (273 of 1482). Where you live moves the bill from $4.45 a year in North Dakota to $17 in Hawaii.

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

$6.78/yr

$2.09 · cheapest certified computer monitors$76 · priciest
Per month
$0.57
Per day
Certified use
36 kWh/yr
Screen size
23.8 in
Panel
IPS LCD
On-mode power
11.5 W
Sleep-mode power
0.14 W
11 kWh403 kWh
Where the ViewSonic VA2456A-MHD (▮) sits among all 1,482 certified computer monitors, by annual kWh

What it costs in every state

ViewSonic VA2456A-MHD: 36 kWh/yr × each state's average residential rate (EIA)
StateRate ¢/kWhThis model $/yrRelative cost
Alabama17.4¢$6.27
Alaska27.4¢$9.85
Arizona15.5¢$5.58
Arkansas14.2¢$5.10
California35.3¢$13
Colorado16.5¢$5.96
Connecticut32.2¢$12
Delaware18.8¢$6.77
District of Columbia25.4¢$9.16
Florida15.4¢$5.54
Georgia15.4¢$5.54
Hawaiipriciest46.6¢$17
Idaho12.7¢$4.58
Illinois20.5¢$7.38
Indiana17.9¢$6.45
Iowa13.9¢$4.99
Kansas15.8¢$5.69
Kentucky15.0¢$5.41
Louisiana14.4¢$5.20
Maine28.4¢$10
Maryland22.1¢$7.95
Massachusetts29.4¢$11
Michigan21.4¢$7.71
Minnesota16.4¢$5.91
Mississippi16.8¢$6.04
Missouri14.0¢$5.05
Montana13.9¢$5.01
Nebraska13.3¢$4.78
Nevada14.3¢$5.15
New Hampshire27.2¢$9.81
New Jersey23.5¢$8.48
New Mexico15.2¢$5.46
New York29.4¢$11
North Carolina16.3¢$5.85
North Dakotacheapest12.3¢$4.45
Ohio19.5¢$7.02
Oklahoma13.3¢$4.80
Oregon15.8¢$5.69
Pennsylvania21.5¢$7.74
Rhode Island28.3¢$10
South Carolina17.1¢$6.15
South Dakota14.5¢$5.23
Tennessee14.9¢$5.38
Texas17.0¢$6.12
Utah13.3¢$4.79
Vermont24.6¢$8.85
Virginia17.4¢$6.26
Washington14.4¢$5.17
West Virginia16.1¢$5.79
Wisconsin19.2¢$6.92
Wyoming14.7¢$5.29

Certified models closest in efficiency

computer monitors within reach of 36 kWh/yr
ModelkWh/yr$/yr (US avg)
MSI PRO MP241 E14V36$6.78
PHILIPS 24E2N1136$6.79
ViewSonic VS2013836$6.79
Acer B247Y36$6.78
HP E24i G436$6.80
MSI 3PC136$6.80

Run your own numbers

Your rate, your numbers

Per day
Per month
$0.56
Per year
$6.78

36 kWh/yr × 18.8¢/kWh = $6.78/yr

Prefilled with this model's certified 36 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 ViewSonic VA2456A-MHD use?
ENERGY STAR certifies the ViewSonic VA2456A-MHD at 36 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 ViewSonic VA2456A-MHD cost to run per month?
About $0.57 a month at the U.S. average residential rate (18.8¢/kWh) — 2¢ a day, or $6.78 a year. Your state's rate moves this up or down; see the table above.
Is the ViewSonic VA2456A-MHD energy efficient?
It uses 20% less electricity than the median certified computer monitor, placing it in the efficient third of certified models.
What does the ViewSonic VA2456A-MHD cost to run in the cheapest vs. priciest state?
At current residential rates it costs about $4.45 a year in North Dakota (12.3¢/kWh) and $17 in Hawaii (46.6¢/kWh).

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