WattCost

Data through June 2026

Running cost · Computer Monitors · ENERGY STAR certified

AOC CU34E4CV

At the standardized usage ENERGY STAR assumes, the AOC CU34E4CV consumes 103 kWh a year — about $19 at the U.S. average electricity rate ($1.58 a month). Even among certified models it's on the thirsty end: 129% more electricity than the median computer monitor, ranked 1456 of 1530. Where you live moves the bill from $14 a year in Nevada to $54 in Hawaii.

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

$19/yr

$2.04 · cheapest certified computer monitors$74 · priciest
Per month
$1.58
Per day
5¢
Certified use
103 kWh/yr
Screen size
34 in
Panel
VA LCD
On-mode power
32.42 W
Sleep-mode power
0.65 W
11 kWh403 kWh
Where the AOC CU34E4CV (▮) sits among all 1,530 certified computer monitors, by annual kWh

What it costs in every state

AOC CU34E4CV: 103 kWh/yr × each state's average residential rate (EIA)
StateRate ¢/kWhThis model $/yrRelative cost
Alabama16.4¢$17
Alaska28.2¢$29
Arizona15.2¢$16
Arkansas14.1¢$15
California34.7¢$36
Colorado17.1¢$18
Connecticut24.3¢$25
Delaware19.3¢$20
District of Columbia24.4¢$25
Florida15.1¢$16
Georgia16.4¢$17
Hawaiipriciest52.7¢$54
Idaho14.4¢$15
Illinois19.9¢$21
Indiana17.5¢$18
Iowa15.9¢$16
Kansas15.7¢$16
Kentucky14.3¢$15
Louisiana13.5¢$14
Maine29.6¢$31
Maryland21.8¢$23
Massachusetts29.6¢$31
Michigan23.0¢$24
Minnesota17.5¢$18
Mississippi14.9¢$15
Missouri16.2¢$17
Montana15.1¢$16
Nebraska13.3¢$14
Nevadacheapest13.1¢$14
New Hampshire27.0¢$28
New Jersey24.9¢$26
New Mexico15.1¢$16
New York29.5¢$30
North Carolina14.7¢$15
North Dakota14.1¢$15
Ohio19.2¢$20
Oklahoma14.3¢$15
Oregon16.3¢$17
Pennsylvania21.7¢$22
Rhode Island29.2¢$30
South Carolina15.6¢$16
South Dakota15.4¢$16
Tennessee14.1¢$15
Texas15.9¢$16
Utah13.4¢$14
Vermont24.4¢$25
Virginia17.2¢$18
Washington14.9¢$15
West Virginia15.4¢$16
Wisconsin19.6¢$20
Wyoming15.2¢$16

Certified models closest in efficiency

computer monitors within reach of 103 kWh/yr
ModelkWh/yr$/yr (US avg)
DELL U3226Qb103$19
PHILIPS 279P1B103$19
LG 38BP85C104$19
DELL S3425DWc102$19
MSI PRO MAX 341QPXW14G102$19
Lenovo C23315UP0102$19

Run your own numbers

Your rate, your numbers

Per day
5¢
Per month
$1.57
Per year
$19

103 kWh/yr × 18.3¢/kWh = $19/yr

Prefilled with this model's certified 103 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 CU34E4CV use?
ENERGY STAR certifies the AOC CU34E4CV at 103 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 CU34E4CV cost to run per month?
About $1.58 a month at the U.S. average residential rate (18.3¢/kWh) — 5¢ a day, or $19 a year. Your state's rate moves this up or down; see the table above.
Is the AOC CU34E4CV energy efficient?
It uses 129% more electricity than the median certified computer monitor, which puts it among the least efficient certified models.
What does the AOC CU34E4CV cost to run in the cheapest vs. priciest state?
At current residential rates it costs about $14 a year in Nevada (13.1¢/kWh) and $54 in Hawaii (52.7¢/kWh).

Keep digging