WattCost

Data through April 2026

Running cost · Computer Monitors · ENERGY STAR certified

ASUS VP227

At the standardized usage ENERGY STAR assumes, the ASUS VP227 consumes 41 kWh a year — about $7.71 at the U.S. average electricity rate ($0.64 a month). Compared with the median certified computer monitor, it uses 9% less electricity — rank 517 out of 1482. The same unit costs $5.05 a year in North Dakota but $19 in Hawaii — electricity rates, not the appliance, make the difference.

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

$7.71/yr

$2.09 · cheapest certified computer monitors$76 · priciest
Per month
$0.64
Per day
Certified use
41 kWh/yr
Screen size
21.5 in
Panel
TFT LCD
On-mode power
13.09 W
Sleep-mode power
0.14 W
11 kWh403 kWh
Where the ASUS VP227 (▮) sits among all 1,482 certified computer monitors, by annual kWh

What it costs in every state

ASUS VP227: 41 kWh/yr × each state's average residential rate (EIA)
StateRate ¢/kWhThis model $/yrRelative cost
Alabama17.4¢$7.13
Alaska27.4¢$11
Arizona15.5¢$6.34
Arkansas14.2¢$5.80
California35.3¢$14
Colorado16.5¢$6.77
Connecticut32.2¢$13
Delaware18.8¢$7.69
District of Columbia25.4¢$10
Florida15.4¢$6.30
Georgia15.4¢$6.29
Hawaiipriciest46.6¢$19
Idaho12.7¢$5.20
Illinois20.5¢$8.38
Indiana17.9¢$7.33
Iowa13.9¢$5.67
Kansas15.8¢$6.46
Kentucky15.0¢$6.15
Louisiana14.4¢$5.91
Maine28.4¢$12
Maryland22.1¢$9.03
Massachusetts29.4¢$12
Michigan21.4¢$8.75
Minnesota16.4¢$6.71
Mississippi16.8¢$6.86
Missouri14.0¢$5.73
Montana13.9¢$5.69
Nebraska13.3¢$5.44
Nevada14.3¢$5.85
New Hampshire27.2¢$11
New Jersey23.5¢$9.63
New Mexico15.2¢$6.20
New York29.4¢$12
North Carolina16.3¢$6.65
North Dakotacheapest12.3¢$5.05
Ohio19.5¢$7.98
Oklahoma13.3¢$5.45
Oregon15.8¢$6.46
Pennsylvania21.5¢$8.79
Rhode Island28.3¢$12
South Carolina17.1¢$6.98
South Dakota14.5¢$5.94
Tennessee14.9¢$6.11
Texas17.0¢$6.95
Utah13.3¢$5.44
Vermont24.6¢$10
Virginia17.4¢$7.11
Washington14.4¢$5.88
West Virginia16.1¢$6.57
Wisconsin19.2¢$7.86
Wyoming14.7¢$6.01

Certified models closest in efficiency

computer monitors within reach of 41 kWh/yr
ModelkWh/yr$/yr (US avg)
Lenovo H20238FE041$7.72
PHILIPS 246E9Q41$7.72
BenQ BL2581T-B41$7.72
Sharp DD-EA241F41$7.72
DELL SE2426HSf41$7.72
DELL SE2426HSRf41$7.72

Run your own numbers

Your rate, your numbers

Per day
Per month
$0.64
Per year
$7.72

41 kWh/yr × 18.8¢/kWh = $7.72/yr

Prefilled with this model's certified 41 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 VP227 use?
ENERGY STAR certifies the ASUS VP227 at 41 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 VP227 cost to run per month?
About $0.64 a month at the U.S. average residential rate (18.8¢/kWh) — 2¢ a day, or $7.71 a year. Your state's rate moves this up or down; see the table above.
Is the ASUS VP227 energy efficient?
It uses 9% less electricity than the median certified computer monitor, placing it in the efficient third of certified models.
What does the ASUS VP227 cost to run in the cheapest vs. priciest state?
At current residential rates it costs about $5.05 a year in North Dakota (12.3¢/kWh) and $19 in Hawaii (46.6¢/kWh).

Keep digging