WattCost

Data through June 2026

Running cost · Computer Monitors · ENERGY STAR certified

ASUS PA278QV

The ASUS PA278QV's certified consumption is 40 kWh per year, which prices out to about $7.28 at the national average rate — your hours of use scale that directly. That's 12% less than the median certified computer monitor, placing it comfortably in the efficient third of the field (484 of 1530). Where you live moves the bill from $5.20 a year in Nevada to $21 in Hawaii. It also meets ENERGY STAR's stricter “Most Efficient” criteria.

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

$7.28/yr

$2.04 · cheapest certified computer monitors$74 · priciest
Per month
$0.61
Per day
2¢
Certified use
40 kWh/yr
Screen size
27 in
Panel
IPS LCD
On-mode power
12.5 W
Sleep-mode power
0.2 W
11 kWh403 kWh
Where the ASUS PA278QV (▮) sits among all 1,530 certified computer monitors, by annual kWh

What it costs in every state

ASUS PA278QV: 40 kWh/yr × each state's average residential rate (EIA)
StateRate ¢/kWhThis model $/yrRelative cost
Alabama16.4¢$6.51
Alaska28.2¢$11
Arizona15.2¢$6.03
Arkansas14.1¢$5.61
California34.7¢$14
Colorado17.1¢$6.80
Connecticut24.3¢$9.66
Delaware19.3¢$7.66
District of Columbia24.4¢$9.68
Florida15.1¢$5.99
Georgia16.4¢$6.49
Hawaiipriciest52.7¢$21
Idaho14.4¢$5.70
Illinois19.9¢$7.90
Indiana17.5¢$6.95
Iowa15.9¢$6.32
Kansas15.7¢$6.24
Kentucky14.3¢$5.66
Louisiana13.5¢$5.36
Maine29.6¢$12
Maryland21.8¢$8.67
Massachusetts29.6¢$12
Michigan23.0¢$9.13
Minnesota17.5¢$6.96
Mississippi14.9¢$5.91
Missouri16.2¢$6.44
Montana15.1¢$6.01
Nebraska13.3¢$5.26
Nevadacheapest13.1¢$5.20
New Hampshire27.0¢$11
New Jersey24.9¢$9.91
New Mexico15.1¢$5.98
New York29.5¢$12
North Carolina14.7¢$5.85
North Dakota14.1¢$5.61
Ohio19.2¢$7.62
Oklahoma14.3¢$5.69
Oregon16.3¢$6.48
Pennsylvania21.7¢$8.63
Rhode Island29.2¢$12
South Carolina15.6¢$6.17
South Dakota15.4¢$6.10
Tennessee14.1¢$5.59
Texas15.9¢$6.33
Utah13.4¢$5.31
Vermont24.4¢$9.70
Virginia17.2¢$6.84
Washington14.9¢$5.92
West Virginia15.4¢$6.13
Wisconsin19.6¢$7.77
Wyoming15.2¢$6.05

Certified models closest in efficiency

computer monitors within reach of 40 kWh/yr
ModelkWh/yr$/yr (US avg)
ASUS VZ24E40$7.28
Lenovo A16240WT040$7.28
Acer UT272Umost efficient40$7.28
AOpen 27UT2Umost efficient40$7.28
Acer XF270U40$7.28
DELL S2725HSMt40$7.28

Run your own numbers

Your rate, your numbers

Per day
2¢
Per month
$0.61
Per year
$7.34

40 kWh/yr × 18.3¢/kWh = $7.34/yr

Prefilled with this model's certified 40 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 PA278QV use?
ENERGY STAR certifies the ASUS PA278QV at 40 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 PA278QV cost to run per month?
About $0.61 a month at the U.S. average residential rate (18.3¢/kWh) — 2¢ a day, or $7.28 a year. Your state's rate moves this up or down; see the table above.
Is the ASUS PA278QV energy efficient?
It uses 12% 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 PA278QV cost to run in the cheapest vs. priciest state?
At current residential rates it costs about $5.20 a year in Nevada (13.1¢/kWh) and $21 in Hawaii (52.7¢/kWh).

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