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Data through April 2026

Running cost · Computer Monitors · ENERGY STAR certified

SiComputer Scena NH24* (*=A-Z, a-z or 0-9)

At the standardized usage ENERGY STAR assumes, the SiComputer Scena NH24* (*=A-Z, a-z or 0-9) consumes 45 kWh a year — about $8.43 at the U.S. average electricity rate ($0.70 a month). That's close to the middle of the certified pack — about 1% under the median computer monitor, ranked 728 of 1482. The same unit costs $5.53 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

$8.43/yr

$2.09 · cheapest certified computer monitors$76 · priciest
Per month
$0.70
Per day
Certified use
45 kWh/yr
Screen size
23.8 in
Panel
TFT-LCD
On-mode power
14.39 W
Sleep-mode power
0.24 W
11 kWh403 kWh
Where the SiComputer Scena NH24* (*=A-Z, a-z or 0-9) (▮) sits among all 1,482 certified computer monitors, by annual kWh

What it costs in every state

SiComputer Scena NH24* (*=A-Z, a-z or 0-9): 45 kWh/yr × each state's average residential rate (EIA)
StateRate ¢/kWhThis model $/yrRelative cost
Alabama17.4¢$7.79
Alaska27.4¢$12
Arizona15.5¢$6.93
Arkansas14.2¢$6.34
California35.3¢$16
Colorado16.5¢$7.40
Connecticut32.2¢$14
Delaware18.8¢$8.41
District of Columbia25.4¢$11
Florida15.4¢$6.88
Georgia15.4¢$6.88
Hawaiipriciest46.6¢$21
Idaho12.7¢$5.68
Illinois20.5¢$9.16
Indiana17.9¢$8.01
Iowa13.9¢$6.20
Kansas15.8¢$7.06
Kentucky15.0¢$6.72
Louisiana14.4¢$6.46
Maine28.4¢$13
Maryland22.1¢$9.88
Massachusetts29.4¢$13
Michigan21.4¢$9.57
Minnesota16.4¢$7.33
Mississippi16.8¢$7.50
Missouri14.0¢$6.27
Montana13.9¢$6.22
Nebraska13.3¢$5.94
Nevada14.3¢$6.39
New Hampshire27.2¢$12
New Jersey23.5¢$11
New Mexico15.2¢$6.78
New York29.4¢$13
North Carolina16.3¢$7.27
North Dakotacheapest12.3¢$5.53
Ohio19.5¢$8.72
Oklahoma13.3¢$5.96
Oregon15.8¢$7.06
Pennsylvania21.5¢$9.61
Rhode Island28.3¢$13
South Carolina17.1¢$7.63
South Dakota14.5¢$6.50
Tennessee14.9¢$6.69
Texas17.0¢$7.60
Utah13.3¢$5.95
Vermont24.6¢$11
Virginia17.4¢$7.78
Washington14.4¢$6.43
West Virginia16.1¢$7.19
Wisconsin19.2¢$8.60
Wyoming14.7¢$6.57

Certified models closest in efficiency

computer monitors within reach of 45 kWh/yr
ModelkWh/yr$/yr (US avg)
MSI PRO MP271A E245$8.43
PHILIPS 241V845$8.42
PHILIPS 24B2G530145$8.42
AOpen 27SA2_a45$8.42
Acer SA272_a45$8.42
AOC 27B3QA245$8.44

Run your own numbers

Your rate, your numbers

Per day
Per month
$0.71
Per year
$8.47

45 kWh/yr × 18.8¢/kWh = $8.47/yr

Prefilled with this model's certified 45 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 Scena NH24* (*=A-Z, a-z or 0-9) use?
ENERGY STAR certifies the SiComputer Scena NH24* (*=A-Z, a-z or 0-9) at 45 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 Scena NH24* (*=A-Z, a-z or 0-9) cost to run per month?
About $0.70 a month at the U.S. average residential rate (18.8¢/kWh) — 2¢ a day, or $8.43 a year. Your state's rate moves this up or down; see the table above.
Is the SiComputer Scena NH24* (*=A-Z, a-z or 0-9) energy efficient?
It uses 1% less electricity than the median certified computer monitor.
What does the SiComputer Scena NH24* (*=A-Z, a-z or 0-9) cost to run in the cheapest vs. priciest state?
At current residential rates it costs about $5.53 a year in North Dakota (12.3¢/kWh) and $21 in Hawaii (46.6¢/kWh).

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