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Data through June 2026

Running cost · Computer Monitors · ENERGY STAR certified

AOpen 24UT1Y

At the standardized usage ENERGY STAR assumes, the AOpen 24UT1Y consumes 56 kWh a year — about $10 at the U.S. average electricity rate ($0.85 a month). That's close to the middle of the certified pack — about 24% above the median computer monitor, ranked 1022 of 1530. Where you live moves the bill from $7.29 a year in Nevada to $29 in Hawaii.

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

$10/yr

$2.04 · cheapest certified computer monitors$74 · priciest
Per month
$0.85
Per day
3¢
Certified use
56 kWh/yr
Screen size
23.8 in
Panel
IPS LCD
On-mode power
17.61 W
Sleep-mode power
0.29 W
11 kWh403 kWh
Where the AOpen 24UT1Y (▮) sits among all 1,530 certified computer monitors, by annual kWh

What it costs in every state

AOpen 24UT1Y: 56 kWh/yr × each state's average residential rate (EIA)
StateRate ¢/kWhThis model $/yrRelative cost
Alabama16.4¢$9.12
Alaska28.2¢$16
Arizona15.2¢$8.44
Arkansas14.1¢$7.85
California34.7¢$19
Colorado17.1¢$9.53
Connecticut24.3¢$14
Delaware19.3¢$11
District of Columbia24.4¢$14
Florida15.1¢$8.40
Georgia16.4¢$9.10
Hawaiipriciest52.7¢$29
Idaho14.4¢$7.99
Illinois19.9¢$11
Indiana17.5¢$9.74
Iowa15.9¢$8.86
Kansas15.7¢$8.74
Kentucky14.3¢$7.93
Louisiana13.5¢$7.50
Maine29.6¢$16
Maryland21.8¢$12
Massachusetts29.6¢$16
Michigan23.0¢$13
Minnesota17.5¢$9.75
Mississippi14.9¢$8.28
Missouri16.2¢$9.02
Montana15.1¢$8.42
Nebraska13.3¢$7.37
Nevadacheapest13.1¢$7.29
New Hampshire27.0¢$15
New Jersey24.9¢$14
New Mexico15.1¢$8.38
New York29.5¢$16
North Carolina14.7¢$8.20
North Dakota14.1¢$7.85
Ohio19.2¢$11
Oklahoma14.3¢$7.97
Oregon16.3¢$9.08
Pennsylvania21.7¢$12
Rhode Island29.2¢$16
South Carolina15.6¢$8.65
South Dakota15.4¢$8.54
Tennessee14.1¢$7.83
Texas15.9¢$8.87
Utah13.4¢$7.44
Vermont24.4¢$14
Virginia17.2¢$9.58
Washington14.9¢$8.29
West Virginia15.4¢$8.59
Wisconsin19.6¢$11
Wyoming15.2¢$8.48

Certified models closest in efficiency

computer monitors within reach of 56 kWh/yr
ModelkWh/yr$/yr (US avg)
HP HP 727pq56$10
PHILIPS 24B2U3301D56$10
ViewSonic VS17380most efficient56$10
Acer UT241Y B56$10
ASUS VP29956$10
ViewSonic VS1947956$10

Run your own numbers

Your rate, your numbers

Per day
3¢
Per month
$0.86
Per year
$10

56 kWh/yr × 18.3¢/kWh = $10/yr

Prefilled with this model's certified 56 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 AOpen 24UT1Y use?
ENERGY STAR certifies the AOpen 24UT1Y at 56 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 AOpen 24UT1Y cost to run per month?
About $0.85 a month at the U.S. average residential rate (18.3¢/kWh) — 3¢ a day, or $10 a year. Your state's rate moves this up or down; see the table above.
Is the AOpen 24UT1Y energy efficient?
It uses 24% more electricity than the median certified computer monitor.
What does the AOpen 24UT1Y cost to run in the cheapest vs. priciest state?
At current residential rates it costs about $7.29 a year in Nevada (13.1¢/kWh) and $29 in Hawaii (52.7¢/kWh).

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