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Data through April 2026

Running cost · Computer Monitors · ENERGY STAR certified

DELL P3424WEBt

The DELL P3424WEBt's certified consumption is 94 kWh per year, which prices out to about $18 at the national average rate — your hours of use scale that directly. Even among certified models it's on the thirsty end: 108% more electricity than the median computer monitor, ranked 1352 of 1482. The same unit costs $12 a year in North Dakota but $44 in Hawaii — electricity rates, not the appliance, make the difference.

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

$18/yr

$2.09 · cheapest certified computer monitors$76 · priciest
Per month
$1.47
Per day
Certified use
94 kWh/yr
Screen size
34 in
Panel
IPS LCD
On-mode power
28 W
Sleep-mode power
1.38 W
11 kWh403 kWh
Where the DELL P3424WEBt (▮) sits among all 1,482 certified computer monitors, by annual kWh

What it costs in every state

DELL P3424WEBt: 94 kWh/yr × each state's average residential rate (EIA)
StateRate ¢/kWhThis model $/yrRelative cost
Alabama17.4¢$16
Alaska27.4¢$26
Arizona15.5¢$15
Arkansas14.2¢$13
California35.3¢$33
Colorado16.5¢$15
Connecticut32.2¢$30
Delaware18.8¢$18
District of Columbia25.4¢$24
Florida15.4¢$14
Georgia15.4¢$14
Hawaiipriciest46.6¢$44
Idaho12.7¢$12
Illinois20.5¢$19
Indiana17.9¢$17
Iowa13.9¢$13
Kansas15.8¢$15
Kentucky15.0¢$14
Louisiana14.4¢$14
Maine28.4¢$27
Maryland22.1¢$21
Massachusetts29.4¢$28
Michigan21.4¢$20
Minnesota16.4¢$15
Mississippi16.8¢$16
Missouri14.0¢$13
Montana13.9¢$13
Nebraska13.3¢$12
Nevada14.3¢$13
New Hampshire27.2¢$26
New Jersey23.5¢$22
New Mexico15.2¢$14
New York29.4¢$28
North Carolina16.3¢$15
North Dakotacheapest12.3¢$12
Ohio19.5¢$18
Oklahoma13.3¢$12
Oregon15.8¢$15
Pennsylvania21.5¢$20
Rhode Island28.3¢$27
South Carolina17.1¢$16
South Dakota14.5¢$14
Tennessee14.9¢$14
Texas17.0¢$16
Utah13.3¢$12
Vermont24.6¢$23
Virginia17.4¢$16
Washington14.4¢$13
West Virginia16.1¢$15
Wisconsin19.2¢$18
Wyoming14.7¢$14

Certified models closest in efficiency

computer monitors within reach of 94 kWh/yr
ModelkWh/yr$/yr (US avg)
DELL C3424WEt94$18
DELL U3223QEt94$18
Samsung S34C650TAN94$18
PHILIPS 34B2U5600C94$18
AOC K27U3D93$18
AOC CU34P2C94$18

Run your own numbers

Your rate, your numbers

Per day
Per month
$1.48
Per year
$18

94 kWh/yr × 18.8¢/kWh = $18/yr

Prefilled with this model's certified 94 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 P3424WEBt use?
ENERGY STAR certifies the DELL P3424WEBt at 94 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 P3424WEBt cost to run per month?
About $1.47 a month at the U.S. average residential rate (18.8¢/kWh) — 5¢ a day, or $18 a year. Your state's rate moves this up or down; see the table above.
Is the DELL P3424WEBt energy efficient?
It uses 108% more electricity than the median certified computer monitor, which puts it among the least efficient certified models.
What does the DELL P3424WEBt cost to run in the cheapest vs. priciest state?
At current residential rates it costs about $12 a year in North Dakota (12.3¢/kWh) and $44 in Hawaii (46.6¢/kWh).

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