WattCost

Data through April 2026

Running cost · Computer Monitors · ENERGY STAR certified

ASUS VZ279HG

At the standardized usage ENERGY STAR assumes, the ASUS VZ279HG consumes 35 kWh a year — about $6.65 at the U.S. average electricity rate ($0.55 a month). Compared with the median certified computer monitor, it uses 22% less electricity — rank 239 out of 1482. The same unit costs $4.36 a year in North Dakota but $16 in Hawaii — electricity rates, not the appliance, make the difference. It also meets ENERGY STAR's stricter “Most Efficient” criteria.

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

$6.65/yr

$2.09 · cheapest certified computer monitors$76 · priciest
Per month
$0.55
Per day
Certified use
35 kWh/yr
Screen size
27 in
Panel
VA LCD
On-mode power
11.29 W
Sleep-mode power
0.12 W
11 kWh403 kWh
Where the ASUS VZ279HG (▮) sits among all 1,482 certified computer monitors, by annual kWh

What it costs in every state

ASUS VZ279HG: 35 kWh/yr × each state's average residential rate (EIA)
StateRate ¢/kWhThis model $/yrRelative cost
Alabama17.4¢$6.15
Alaska27.4¢$9.66
Arizona15.5¢$5.47
Arkansas14.2¢$5.00
California35.3¢$12
Colorado16.5¢$5.84
Connecticut32.2¢$11
Delaware18.8¢$6.64
District of Columbia25.4¢$8.98
Florida15.4¢$5.43
Georgia15.4¢$5.43
Hawaiipriciest46.6¢$16
Idaho12.7¢$4.49
Illinois20.5¢$7.23
Indiana17.9¢$6.32
Iowa13.9¢$4.90
Kansas15.8¢$5.58
Kentucky15.0¢$5.31
Louisiana14.4¢$5.10
Maine28.4¢$10
Maryland22.1¢$7.80
Massachusetts29.4¢$10
Michigan21.4¢$7.56
Minnesota16.4¢$5.79
Mississippi16.8¢$5.92
Missouri14.0¢$4.95
Montana13.9¢$4.91
Nebraska13.3¢$4.69
Nevada14.3¢$5.05
New Hampshire27.2¢$9.62
New Jersey23.5¢$8.31
New Mexico15.2¢$5.35
New York29.4¢$10
North Carolina16.3¢$5.74
North Dakotacheapest12.3¢$4.36
Ohio19.5¢$6.89
Oklahoma13.3¢$4.70
Oregon15.8¢$5.58
Pennsylvania21.5¢$7.59
Rhode Island28.3¢$10.00
South Carolina17.1¢$6.03
South Dakota14.5¢$5.13
Tennessee14.9¢$5.28
Texas17.0¢$6.00
Utah13.3¢$4.70
Vermont24.6¢$8.68
Virginia17.4¢$6.14
Washington14.4¢$5.07
West Virginia16.1¢$5.67
Wisconsin19.2¢$6.79
Wyoming14.7¢$5.19

Certified models closest in efficiency

computer monitors within reach of 35 kWh/yr
ModelkWh/yr$/yr (US avg)
ASUS VY279HGRmost efficient35$6.65
ViewSonic VS20601most efficient35$6.65
PLANAR PCT227535$6.65
PHILIPS 223V7QJAB35$6.65
ASUS BE248QF35$6.66
ASUS PA248QFV35$6.66

Run your own numbers

Your rate, your numbers

Per day
Per month
$0.55
Per year
$6.59

35 kWh/yr × 18.8¢/kWh = $6.59/yr

Prefilled with this model's certified 35 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 VZ279HG use?
ENERGY STAR certifies the ASUS VZ279HG at 35 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 VZ279HG cost to run per month?
About $0.55 a month at the U.S. average residential rate (18.8¢/kWh) — 2¢ a day, or $6.65 a year. Your state's rate moves this up or down; see the table above.
Is the ASUS VZ279HG energy efficient?
It uses 22% less electricity than the median certified computer monitor, placing it in the efficient third of certified models. It also meets ENERGY STAR's Most Efficient criteria.
What does the ASUS VZ279HG cost to run in the cheapest vs. priciest state?
At current residential rates it costs about $4.36 a year in North Dakota (12.3¢/kWh) and $16 in Hawaii (46.6¢/kWh).

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