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Data through April 2026

Running cost · Computer Monitors · ENERGY STAR certified

AOC 27B3QA2

At the standardized usage ENERGY STAR assumes, the AOC 27B3QA2 consumes 45 kWh a year — about $8.44 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 729 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

$8.44/yr

$2.09 · cheapest certified computer monitors$76 · priciest
Per month
$0.70
Per day
Certified use
45 kWh/yr
Screen size
27 in
Panel
IPS LCD
On-mode power
14.26 W
Sleep-mode power
0.19 W
11 kWh403 kWh
Where the AOC 27B3QA2 (▮) sits among all 1,482 certified computer monitors, by annual kWh

What it costs in every state

AOC 27B3QA2: 45 kWh/yr × each state's average residential rate (EIA)
StateRate ¢/kWhThis model $/yrRelative cost
Alabama17.4¢$7.80
Alaska27.4¢$12
Arizona15.5¢$6.94
Arkansas14.2¢$6.34
California35.3¢$16
Colorado16.5¢$7.41
Connecticut32.2¢$14
Delaware18.8¢$8.42
District of Columbia25.4¢$11
Florida15.4¢$6.89
Georgia15.4¢$6.89
Hawaiipriciest46.6¢$21
Idaho12.7¢$5.69
Illinois20.5¢$9.17
Indiana17.9¢$8.02
Iowa13.9¢$6.21
Kansas15.8¢$7.07
Kentucky15.0¢$6.73
Louisiana14.4¢$6.47
Maine28.4¢$13
Maryland22.1¢$9.89
Massachusetts29.4¢$13
Michigan21.4¢$9.58
Minnesota16.4¢$7.34
Mississippi16.8¢$7.51
Missouri14.0¢$6.28
Montana13.9¢$6.23
Nebraska13.3¢$5.95
Nevada14.3¢$6.40
New Hampshire27.2¢$12
New Jersey23.5¢$11
New Mexico15.2¢$6.79
New York29.4¢$13
North Carolina16.3¢$7.28
North Dakotacheapest12.3¢$5.53
Ohio19.5¢$8.73
Oklahoma13.3¢$5.96
Oregon15.8¢$7.07
Pennsylvania21.5¢$9.62
Rhode Island28.3¢$13
South Carolina17.1¢$7.64
South Dakota14.5¢$6.50
Tennessee14.9¢$6.69
Texas17.0¢$7.61
Utah13.3¢$5.95
Vermont24.6¢$11
Virginia17.4¢$7.79
Washington14.4¢$6.43
West Virginia16.1¢$7.19
Wisconsin19.2¢$8.61
Wyoming14.7¢$6.58

Certified models closest in efficiency

computer monitors within reach of 45 kWh/yr
ModelkWh/yr$/yr (US avg)
Acer CB27245$8.44
Lenovo C18238FT145$8.44
MSI PRO MP271A E245$8.43
SiComputer Scena NH24* (*=A-Z, a-z or 0-9)45$8.43
PHILIPS 241V845$8.42
MSI 3PB445$8.45

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 AOC 27B3QA2 use?
ENERGY STAR certifies the AOC 27B3QA2 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 AOC 27B3QA2 cost to run per month?
About $0.70 a month at the U.S. average residential rate (18.8¢/kWh) — 2¢ a day, or $8.44 a year. Your state's rate moves this up or down; see the table above.
Is the AOC 27B3QA2 energy efficient?
It uses 1% less electricity than the median certified computer monitor.
What does the AOC 27B3QA2 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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