WattCost

Data through June 2026

Running cost · Computer Monitors · ENERGY STAR certified

SiComputer NI24

At the standardized usage ENERGY STAR assumes, the SiComputer NI24 consumes 43 kWh a year — about $7.86 at the U.S. average electricity rate ($0.66 a month). Efficiency-wise it's unremarkable in a good way: within 5% of the median certified computer monitor (rank 670 of 1530). Where you live moves the bill from $5.62 a year in Nevada to $23 in Hawaii.

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

$7.86/yr

$2.04 · cheapest certified computer monitors$74 · priciest
Per month
$0.66
Per day
2¢
Certified use
43 kWh/yr
Screen size
23.8 in
Panel
TFT LCD
On-mode power
13.61 W
Sleep-mode power
0.2 W
11 kWh403 kWh
Where the SiComputer NI24 (▮) sits among all 1,530 certified computer monitors, by annual kWh

What it costs in every state

SiComputer NI24: 43 kWh/yr × each state's average residential rate (EIA)
StateRate ¢/kWhThis model $/yrRelative cost
Alabama16.4¢$7.03
Alaska28.2¢$12
Arizona15.2¢$6.51
Arkansas14.1¢$6.05
California34.7¢$15
Colorado17.1¢$7.34
Connecticut24.3¢$10
Delaware19.3¢$8.27
District of Columbia24.4¢$10
Florida15.1¢$6.47
Georgia16.4¢$7.01
Hawaiipriciest52.7¢$23
Idaho14.4¢$6.16
Illinois19.9¢$8.53
Indiana17.5¢$7.51
Iowa15.9¢$6.83
Kansas15.7¢$6.73
Kentucky14.3¢$6.11
Louisiana13.5¢$5.78
Maine29.6¢$13
Maryland21.8¢$9.36
Massachusetts29.6¢$13
Michigan23.0¢$9.86
Minnesota17.5¢$7.51
Mississippi14.9¢$6.38
Missouri16.2¢$6.95
Montana15.1¢$6.49
Nebraska13.3¢$5.68
Nevadacheapest13.1¢$5.62
New Hampshire27.0¢$12
New Jersey24.9¢$11
New Mexico15.1¢$6.46
New York29.5¢$13
North Carolina14.7¢$6.32
North Dakota14.1¢$6.05
Ohio19.2¢$8.23
Oklahoma14.3¢$6.14
Oregon16.3¢$7.00
Pennsylvania21.7¢$9.32
Rhode Island29.2¢$13
South Carolina15.6¢$6.67
South Dakota15.4¢$6.58
Tennessee14.1¢$6.03
Texas15.9¢$6.83
Utah13.4¢$5.73
Vermont24.4¢$10
Virginia17.2¢$7.38
Washington14.9¢$6.39
West Virginia15.4¢$6.62
Wisconsin19.6¢$8.39
Wyoming15.2¢$6.53

Certified models closest in efficiency

computer monitors within reach of 43 kWh/yr
ModelkWh/yr$/yr (US avg)
LG 24BA40043$7.86
ViewSonic VS1647543$7.86
PHILIPS 242S943$7.87
AOC 24E343$7.85
Lenovo D26TIO24T43$7.88
MSI 3PC043$7.85

Run your own numbers

Your rate, your numbers

Per day
2¢
Per month
$0.66
Per year
$7.89

43 kWh/yr × 18.3¢/kWh = $7.89/yr

Prefilled with this model's certified 43 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 SiComputer NI24 use?
ENERGY STAR certifies the SiComputer NI24 at 43 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 SiComputer NI24 cost to run per month?
About $0.66 a month at the U.S. average residential rate (18.3¢/kWh) — 2¢ a day, or $7.86 a year. Your state's rate moves this up or down; see the table above.
Is the SiComputer NI24 energy efficient?
It uses 5% less electricity than the median certified computer monitor.
What does the SiComputer NI24 cost to run in the cheapest vs. priciest state?
At current residential rates it costs about $5.62 a year in Nevada (13.1¢/kWh) and $23 in Hawaii (52.7¢/kWh).

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