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Data through June 2026

Running cost · Computer Monitors · ENERGY STAR certified

DELL P3424WEb

At the standardized usage ENERGY STAR assumes, the DELL P3424WEb consumes 86 kWh a year — about $16 at the U.S. average electricity rate ($1.32 a month). Even among certified models it's on the thirsty end: 92% more electricity than the median computer monitor, ranked 1342 of 1530. The same unit costs $11 a year in Nevada but $46 in Hawaii — electricity rates, not the appliance, make the difference.

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

$16/yr

$2.04 · cheapest certified computer monitors$74 · priciest
Per month
$1.32
Per day
4¢
Certified use
86 kWh/yr
Screen size
34.1 in
Panel
IPS LCD
On-mode power
27.17 W
Sleep-mode power
0.53 W
11 kWh403 kWh
Where the DELL P3424WEb (▮) sits among all 1,530 certified computer monitors, by annual kWh

What it costs in every state

DELL P3424WEb: 86 kWh/yr × each state's average residential rate (EIA)
StateRate ¢/kWhThis model $/yrRelative cost
Alabama16.4¢$14
Alaska28.2¢$24
Arizona15.2¢$13
Arkansas14.1¢$12
California34.7¢$30
Colorado17.1¢$15
Connecticut24.3¢$21
Delaware19.3¢$17
District of Columbia24.4¢$21
Florida15.1¢$13
Georgia16.4¢$14
Hawaiipriciest52.7¢$46
Idaho14.4¢$12
Illinois19.9¢$17
Indiana17.5¢$15
Iowa15.9¢$14
Kansas15.7¢$14
Kentucky14.3¢$12
Louisiana13.5¢$12
Maine29.6¢$26
Maryland21.8¢$19
Massachusetts29.6¢$26
Michigan23.0¢$20
Minnesota17.5¢$15
Mississippi14.9¢$13
Missouri16.2¢$14
Montana15.1¢$13
Nebraska13.3¢$11
Nevadacheapest13.1¢$11
New Hampshire27.0¢$23
New Jersey24.9¢$22
New Mexico15.1¢$13
New York29.5¢$25
North Carolina14.7¢$13
North Dakota14.1¢$12
Ohio19.2¢$17
Oklahoma14.3¢$12
Oregon16.3¢$14
Pennsylvania21.7¢$19
Rhode Island29.2¢$25
South Carolina15.6¢$13
South Dakota15.4¢$13
Tennessee14.1¢$12
Texas15.9¢$14
Utah13.4¢$12
Vermont24.4¢$21
Virginia17.2¢$15
Washington14.9¢$13
West Virginia15.4¢$13
Wisconsin19.6¢$17
Wyoming15.2¢$13

Certified models closest in efficiency

computer monitors within reach of 86 kWh/yr
ModelkWh/yr$/yr (US avg)
ViewSonic VS1956886$16
ViewSonic VS1989286$16
Samsung S27B800PXN87$16
Acer EK321QK_a87$16
PHILIPS 288E2E86$16
BenQ MA320U-B86$16

Run your own numbers

Your rate, your numbers

Per day
4¢
Per month
$1.31
Per year
$16

86 kWh/yr × 18.3¢/kWh = $16/yr

Prefilled with this model's certified 86 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 DELL P3424WEb use?
ENERGY STAR certifies the DELL P3424WEb at 86 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 DELL P3424WEb cost to run per month?
About $1.32 a month at the U.S. average residential rate (18.3¢/kWh) — 4¢ a day, or $16 a year. Your state's rate moves this up or down; see the table above.
Is the DELL P3424WEb energy efficient?
It uses 92% more electricity than the median certified computer monitor, which puts it among the least efficient certified models.
What does the DELL P3424WEb cost to run in the cheapest vs. priciest state?
At current residential rates it costs about $11 a year in Nevada (13.1¢/kWh) and $46 in Hawaii (52.7¢/kWh).

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