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Data through April 2026

Running cost · Computer Monitors · ENERGY STAR certified

DELL P2425Dc

At the standardized usage ENERGY STAR assumes, the DELL P2425Dc consumes 50 kWh a year — about $9.33 at the U.S. average electricity rate ($0.78 a month). Efficiency-wise it's unremarkable in a good way: within 10% of the median certified computer monitor (rank 885 of 1482). The same unit costs $6.12 a year in North Dakota but $23 in Hawaii — electricity rates, not the appliance, make the difference.

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

$9.33/yr

$2.09 · cheapest certified computer monitors$76 · priciest
Per month
$0.78
Per day
Certified use
50 kWh/yr
Screen size
23.8 in
Panel
IPS LCD
On-mode power
15.79 W
Sleep-mode power
0.2 W
11 kWh403 kWh
Where the DELL P2425Dc (▮) sits among all 1,482 certified computer monitors, by annual kWh

What it costs in every state

DELL P2425Dc: 50 kWh/yr × each state's average residential rate (EIA)
StateRate ¢/kWhThis model $/yrRelative cost
Alabama17.4¢$8.63
Alaska27.4¢$14
Arizona15.5¢$7.67
Arkansas14.2¢$7.02
California35.3¢$17
Colorado16.5¢$8.20
Connecticut32.2¢$16
Delaware18.8¢$9.31
District of Columbia25.4¢$13
Florida15.4¢$7.62
Georgia15.4¢$7.62
Hawaiipriciest46.6¢$23
Idaho12.7¢$6.29
Illinois20.5¢$10
Indiana17.9¢$8.87
Iowa13.9¢$6.87
Kansas15.8¢$7.82
Kentucky15.0¢$7.44
Louisiana14.4¢$7.16
Maine28.4¢$14
Maryland22.1¢$11
Massachusetts29.4¢$15
Michigan21.4¢$11
Minnesota16.4¢$8.12
Mississippi16.8¢$8.30
Missouri14.0¢$6.94
Montana13.9¢$6.89
Nebraska13.3¢$6.58
Nevada14.3¢$7.08
New Hampshire27.2¢$13
New Jersey23.5¢$12
New Mexico15.2¢$7.51
New York29.4¢$15
North Carolina16.3¢$8.05
North Dakotacheapest12.3¢$6.12
Ohio19.5¢$9.66
Oklahoma13.3¢$6.60
Oregon15.8¢$7.82
Pennsylvania21.5¢$11
Rhode Island28.3¢$14
South Carolina17.1¢$8.45
South Dakota14.5¢$7.19
Tennessee14.9¢$7.40
Texas17.0¢$8.42
Utah13.3¢$6.59
Vermont24.6¢$12
Virginia17.4¢$8.61
Washington14.4¢$7.12
West Virginia16.1¢$7.96
Wisconsin19.2¢$9.52
Wyoming14.7¢$7.27

Certified models closest in efficiency

computer monitors within reach of 50 kWh/yr
ModelkWh/yr$/yr (US avg)
AOC 24E4CV50$9.34
AOC 27E350$9.34
LG 27BF640B50$9.35
Samsung S27A40*### (*=0-9, #=A-Z, blank)49$9.30
PHILIPS 255P150$9.36
BenQ GW2790P-L49$9.29

Run your own numbers

Your rate, your numbers

Per day
Per month
$0.78
Per year
$9.41

50 kWh/yr × 18.8¢/kWh = $9.41/yr

Prefilled with this model's certified 50 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 P2425Dc use?
ENERGY STAR certifies the DELL P2425Dc at 50 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 P2425Dc cost to run per month?
About $0.78 a month at the U.S. average residential rate (18.8¢/kWh) — 3¢ a day, or $9.33 a year. Your state's rate moves this up or down; see the table above.
Is the DELL P2425Dc energy efficient?
It uses 10% more electricity than the median certified computer monitor.
What does the DELL P2425Dc cost to run in the cheapest vs. priciest state?
At current residential rates it costs about $6.12 a year in North Dakota (12.3¢/kWh) and $23 in Hawaii (46.6¢/kWh).

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