WattCost

Data through April 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 $8.30 at the U.S. average electricity rate ($0.69 a month). That's close to the middle of the certified pack — about 2% under the median computer monitor, ranked 700 of 1482. The same unit costs $5.45 a year in North Dakota but $21 in Hawaii — electricity rates, not the appliance, make the difference.

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

$8.30/yr

$2.09 · cheapest certified computer monitors$76 · priciest
Per month
$0.69
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 1,482 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
Alabama17.4¢$7.68
Alaska27.4¢$12
Arizona15.5¢$6.83
Arkansas14.2¢$6.24
California35.3¢$16
Colorado16.5¢$7.29
Connecticut32.2¢$14
Delaware18.8¢$8.29
District of Columbia25.4¢$11
Florida15.4¢$6.78
Georgia15.4¢$6.78
Hawaiipriciest46.6¢$21
Idaho12.7¢$5.60
Illinois20.5¢$9.03
Indiana17.9¢$7.89
Iowa13.9¢$6.11
Kansas15.8¢$6.96
Kentucky15.0¢$6.62
Louisiana14.4¢$6.37
Maine28.4¢$13
Maryland22.1¢$9.73
Massachusetts29.4¢$13
Michigan21.4¢$9.43
Minnesota16.4¢$7.23
Mississippi16.8¢$7.39
Missouri14.0¢$6.18
Montana13.9¢$6.13
Nebraska13.3¢$5.86
Nevada14.3¢$6.30
New Hampshire27.2¢$12
New Jersey23.5¢$10
New Mexico15.2¢$6.68
New York29.4¢$13
North Carolina16.3¢$7.17
North Dakotacheapest12.3¢$5.45
Ohio19.5¢$8.60
Oklahoma13.3¢$5.87
Oregon15.8¢$6.96
Pennsylvania21.5¢$9.47
Rhode Island28.3¢$12
South Carolina17.1¢$7.52
South Dakota14.5¢$6.40
Tennessee14.9¢$6.59
Texas17.0¢$7.49
Utah13.3¢$5.86
Vermont24.6¢$11
Virginia17.4¢$7.66
Washington14.4¢$6.33
West Virginia16.1¢$7.08
Wisconsin19.2¢$8.47
Wyoming14.7¢$6.47

Certified models closest in efficiency

computer monitors within reach of 44 kWh/yr
ModelkWh/yr$/yr (US avg)
aidata BM-X744$8.30
jp.ik JPVVF24FLHD-S44$8.30
ASUS VA24E44$8.30
MSI PRO MP273QP E244$8.30
Sharp DD-EA271F44$8.32
Acer EK241Y44$8.32

Run your own numbers

Your rate, your numbers

Per day
2¢
Per month
$0.69
Per year
$8.29

44 kWh/yr × 18.8¢/kWh = $8.29/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 $0.69 a month at the U.S. average residential rate (18.8¢/kWh) — 2¢ a day, or $8.30 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 $5.45 a year in North Dakota (12.3¢/kWh) and $21 in Hawaii (46.6¢/kWh).

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