WattCost

Data through June 2026

Running cost · Computer Monitors · ENERGY STAR certified

Samsung LS24A40*******(where “*” can be 0-9, A-Z, a-z or blank)

At the standardized usage ENERGY STAR assumes, the Samsung LS24A40*******(where “*” can be 0-9, A-Z, a-z or blank) consumes 44 kWh a year — about $8.09 at the U.S. average electricity rate ($0.67 a month). That's close to the middle of the certified pack — about 2% under the median computer monitor, ranked 730 of 1530. The same unit costs $5.78 a year in Nevada but $23 in Hawaii — electricity rates, not the appliance, make the difference.

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

$8.09/yr

$2.04 · cheapest certified computer monitors$74 · priciest
Per month
$0.67
Per day
2¢
Certified use
44 kWh/yr
Screen size
23.8 in
Panel
IPS LCD
On-mode power
13.9 W
Sleep-mode power
0.3 W
11 kWh403 kWh
Where the Samsung LS24A40*******(where “*” can be 0-9, A-Z, a-z or blank) (▮) sits among all 1,530 certified computer monitors, by annual kWh

What it costs in every state

Samsung LS24A40*******(where “*” can be 0-9, A-Z, a-z or blank): 44 kWh/yr × each state's average residential rate (EIA)
StateRate ¢/kWhThis model $/yrRelative cost
Alabama16.4¢$7.23
Alaska28.2¢$12
Arizona15.2¢$6.69
Arkansas14.1¢$6.23
California34.7¢$15
Colorado17.1¢$7.55
Connecticut24.3¢$11
Delaware19.3¢$8.51
District of Columbia24.4¢$11
Florida15.1¢$6.66
Georgia16.4¢$7.21
Hawaiipriciest52.7¢$23
Idaho14.4¢$6.34
Illinois19.9¢$8.77
Indiana17.5¢$7.72
Iowa15.9¢$7.03
Kansas15.7¢$6.93
Kentucky14.3¢$6.29
Louisiana13.5¢$5.95
Maine29.6¢$13
Maryland21.8¢$9.63
Massachusetts29.6¢$13
Michigan23.0¢$10
Minnesota17.5¢$7.73
Mississippi14.9¢$6.56
Missouri16.2¢$7.15
Montana15.1¢$6.68
Nebraska13.3¢$5.84
Nevadacheapest13.1¢$5.78
New Hampshire27.0¢$12
New Jersey24.9¢$11
New Mexico15.1¢$6.64
New York29.5¢$13
North Carolina14.7¢$6.50
North Dakota14.1¢$6.23
Ohio19.2¢$8.46
Oklahoma14.3¢$6.32
Oregon16.3¢$7.20
Pennsylvania21.7¢$9.58
Rhode Island29.2¢$13
South Carolina15.6¢$6.86
South Dakota15.4¢$6.77
Tennessee14.1¢$6.20
Texas15.9¢$7.03
Utah13.4¢$5.90
Vermont24.4¢$11
Virginia17.2¢$7.59
Washington14.9¢$6.58
West Virginia15.4¢$6.81
Wisconsin19.6¢$8.63
Wyoming15.2¢$6.72

Certified models closest in efficiency

computer monitors within reach of 44 kWh/yr
ModelkWh/yr$/yr (US avg)
aidata BM-X744$8.09
jp.ik JPVVF24FLHD-S44$8.09
ASUS VA24E44$8.09
MSI PRO MP273QP E244$8.08
Sharp DD-EA271F44$8.10
Acer EK241Y44$8.10

Run your own numbers

Your rate, your numbers

Per day
2¢
Per month
$0.67
Per year
$8.07

44 kWh/yr × 18.3¢/kWh = $8.07/yr

Prefilled with this model's certified 44 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 Samsung LS24A40*******(where “*” can be 0-9, A-Z, a-z or blank) use?
ENERGY STAR certifies the Samsung LS24A40*******(where “*” can be 0-9, A-Z, a-z or blank) at 44 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 Samsung LS24A40*******(where “*” can be 0-9, A-Z, a-z or blank) cost to run per month?
About $0.67 a month at the U.S. average residential rate (18.3¢/kWh) — 2¢ a day, or $8.09 a year. Your state's rate moves this up or down; see the table above.
Is the Samsung LS24A40*******(where “*” can be 0-9, A-Z, a-z or blank) energy efficient?
It uses 2% less electricity than the median certified computer monitor.
What does the Samsung LS24A40*******(where “*” can be 0-9, A-Z, a-z or blank) cost to run in the cheapest vs. priciest state?
At current residential rates it costs about $5.78 a year in Nevada (13.1¢/kWh) and $23 in Hawaii (52.7¢/kWh).

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