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Data through April 2026

Running cost · Computer Monitors · ENERGY STAR certified

ASUS VY229

At the standardized usage ENERGY STAR assumes, the ASUS VY229 consumes 42 kWh a year — about $7.93 at the U.S. average electricity rate ($0.66 a month). Efficiency-wise it's unremarkable in a good way: within 7% of the median certified computer monitor (rank 592 of 1482). Where you live moves the bill from $5.20 a year in North Dakota to $20 in Hawaii.

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

$7.93/yr

$2.09 · cheapest certified computer monitors$76 · priciest
Per month
$0.66
Per day
Certified use
42 kWh/yr
Screen size
21.5 in
Panel
TFT LCD
On-mode power
13.43 W
Sleep-mode power
0.17 W
11 kWh403 kWh
Where the ASUS VY229 (▮) sits among all 1,482 certified computer monitors, by annual kWh

What it costs in every state

ASUS VY229: 42 kWh/yr × each state's average residential rate (EIA)
StateRate ¢/kWhThis model $/yrRelative cost
Alabama17.4¢$7.34
Alaska27.4¢$12
Arizona15.5¢$6.52
Arkansas14.2¢$5.97
California35.3¢$15
Colorado16.5¢$6.97
Connecticut32.2¢$14
Delaware18.8¢$7.92
District of Columbia25.4¢$11
Florida15.4¢$6.48
Georgia15.4¢$6.48
Hawaiipriciest46.6¢$20
Idaho12.7¢$5.35
Illinois20.5¢$8.63
Indiana17.9¢$7.54
Iowa13.9¢$5.84
Kansas15.8¢$6.65
Kentucky15.0¢$6.33
Louisiana14.4¢$6.09
Maine28.4¢$12
Maryland22.1¢$9.30
Massachusetts29.4¢$12
Michigan21.4¢$9.01
Minnesota16.4¢$6.91
Mississippi16.8¢$7.06
Missouri14.0¢$5.90
Montana13.9¢$5.86
Nebraska13.3¢$5.60
Nevada14.3¢$6.02
New Hampshire27.2¢$11
New Jersey23.5¢$9.92
New Mexico15.2¢$6.38
New York29.4¢$12
North Carolina16.3¢$6.85
North Dakotacheapest12.3¢$5.20
Ohio19.5¢$8.21
Oklahoma13.3¢$5.61
Oregon15.8¢$6.65
Pennsylvania21.5¢$9.05
Rhode Island28.3¢$12
South Carolina17.1¢$7.19
South Dakota14.5¢$6.12
Tennessee14.9¢$6.30
Texas17.0¢$7.16
Utah13.3¢$5.60
Vermont24.6¢$10
Virginia17.4¢$7.32
Washington14.4¢$6.05
West Virginia16.1¢$6.77
Wisconsin19.2¢$8.10
Wyoming14.7¢$6.19

Certified models closest in efficiency

Run your own numbers

Your rate, your numbers

Per day
Per month
$0.66
Per year
$7.91

42 kWh/yr × 18.8¢/kWh = $7.91/yr

Prefilled with this model's certified 42 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 ASUS VY229 use?
ENERGY STAR certifies the ASUS VY229 at 42 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 ASUS VY229 cost to run per month?
About $0.66 a month at the U.S. average residential rate (18.8¢/kWh) — 2¢ a day, or $7.93 a year. Your state's rate moves this up or down; see the table above.
Is the ASUS VY229 energy efficient?
It uses 7% less electricity than the median certified computer monitor.
What does the ASUS VY229 cost to run in the cheapest vs. priciest state?
At current residential rates it costs about $5.20 a year in North Dakota (12.3¢/kWh) and $20 in Hawaii (46.6¢/kWh).

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