WattCost

Data through June 2026

Running cost · Computer Monitors · ENERGY STAR certified

DELL P2426HEt

At the standardized usage ENERGY STAR assumes, the DELL P2426HEt consumes 43 kWh a year — about $7.89 at the U.S. average electricity rate ($0.66 a month). That's close to the middle of the certified pack — about 4% under the median computer monitor, ranked 678 of 1530. Where you live moves the bill from $5.64 a year in Nevada to $23 in Hawaii.

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

$7.89/yr

$2.04 · cheapest certified computer monitors$74 · priciest
Per month
$0.66
Per day
2¢
Certified use
43 kWh/yr
Screen size
23.8 in
Panel
IPS LCD
On-mode power
13.1 W
Sleep-mode power
0.5 W
11 kWh403 kWh
Where the DELL P2426HEt (▮) sits among all 1,530 certified computer monitors, by annual kWh

What it costs in every state

DELL P2426HEt: 43 kWh/yr × each state's average residential rate (EIA)
StateRate ¢/kWhThis model $/yrRelative cost
Alabama16.4¢$7.05
Alaska28.2¢$12
Arizona15.2¢$6.53
Arkansas14.1¢$6.07
California34.7¢$15
Colorado17.1¢$7.37
Connecticut24.3¢$10
Delaware19.3¢$8.30
District of Columbia24.4¢$10
Florida15.1¢$6.49
Georgia16.4¢$7.04
Hawaiipriciest52.7¢$23
Idaho14.4¢$6.18
Illinois19.9¢$8.55
Indiana17.5¢$7.53
Iowa15.9¢$6.85
Kansas15.7¢$6.76
Kentucky14.3¢$6.13
Louisiana13.5¢$5.80
Maine29.6¢$13
Maryland21.8¢$9.39
Massachusetts29.6¢$13
Michigan23.0¢$9.89
Minnesota17.5¢$7.54
Mississippi14.9¢$6.40
Missouri16.2¢$6.98
Montana15.1¢$6.51
Nebraska13.3¢$5.70
Nevadacheapest13.1¢$5.64
New Hampshire27.0¢$12
New Jersey24.9¢$11
New Mexico15.1¢$6.48
New York29.5¢$13
North Carolina14.7¢$6.34
North Dakota14.1¢$6.07
Ohio19.2¢$8.25
Oklahoma14.3¢$6.16
Oregon16.3¢$7.02
Pennsylvania21.7¢$9.35
Rhode Island29.2¢$13
South Carolina15.6¢$6.69
South Dakota15.4¢$6.61
Tennessee14.1¢$6.05
Texas15.9¢$6.86
Utah13.4¢$5.75
Vermont24.4¢$11
Virginia17.2¢$7.41
Washington14.9¢$6.41
West Virginia15.4¢$6.65
Wisconsin19.6¢$8.41
Wyoming15.2¢$6.55

Certified models closest in efficiency

computer monitors within reach of 43 kWh/yr
ModelkWh/yr$/yr (US avg)
AOC 24V243$7.89
Samsung S27D400GAN43$7.89
BenQ GL2780-B43$7.89
LG 27BL650C43$7.90
MSI PRO MP275 E243$7.90
PHILIPS 27B2N2100A43$7.90

Run your own numbers

Your rate, your numbers

Per day
2¢
Per month
$0.66
Per year
$7.89

43 kWh/yr × 18.3¢/kWh = $7.89/yr

Prefilled with this model's certified 43 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 P2426HEt use?
ENERGY STAR certifies the DELL P2426HEt at 43 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 P2426HEt cost to run per month?
About $0.66 a month at the U.S. average residential rate (18.3¢/kWh) — 2¢ a day, or $7.89 a year. Your state's rate moves this up or down; see the table above.
Is the DELL P2426HEt energy efficient?
It uses 4% less electricity than the median certified computer monitor.
What does the DELL P2426HEt cost to run in the cheapest vs. priciest state?
At current residential rates it costs about $5.64 a year in Nevada (13.1¢/kWh) and $23 in Hawaii (52.7¢/kWh).

Keep digging