WattCost

Data through June 2026

Running cost · Computer Monitors · ENERGY STAR certified

Lenovo D24238FL1

At the standardized usage ENERGY STAR assumes, the Lenovo D24238FL1 consumes 48 kWh a year — about $8.84 at the U.S. average electricity rate ($0.74 a month). That's close to the middle of the certified pack — about 7% above the median computer monitor, ranked 892 of 1530. Where you live moves the bill from $6.32 a year in Nevada to $25 in Hawaii.

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

$8.84/yr

$2.04 · cheapest certified computer monitors$74 · priciest
Per month
$0.74
Per day
2¢
Certified use
48 kWh/yr
Screen size
23.8 in
Panel
IPS LCD
On-mode power
14.8 W
Sleep-mode power
0.5 W
11 kWh403 kWh
Where the Lenovo D24238FL1 (▮) sits among all 1,530 certified computer monitors, by annual kWh

What it costs in every state

Lenovo D24238FL1: 48 kWh/yr × each state's average residential rate (EIA)
StateRate ¢/kWhThis model $/yrRelative cost
Alabama16.4¢$7.91
Alaska28.2¢$14
Arizona15.2¢$7.32
Arkansas14.1¢$6.81
California34.7¢$17
Colorado17.1¢$8.26
Connecticut24.3¢$12
Delaware19.3¢$9.30
District of Columbia24.4¢$12
Florida15.1¢$7.28
Georgia16.4¢$7.89
Hawaiipriciest52.7¢$25
Idaho14.4¢$6.93
Illinois19.9¢$9.59
Indiana17.5¢$8.44
Iowa15.9¢$7.68
Kansas15.7¢$7.58
Kentucky14.3¢$6.88
Louisiana13.5¢$6.50
Maine29.6¢$14
Maryland21.8¢$11
Massachusetts29.6¢$14
Michigan23.0¢$11
Minnesota17.5¢$8.45
Mississippi14.9¢$7.18
Missouri16.2¢$7.82
Montana15.1¢$7.30
Nebraska13.3¢$6.39
Nevadacheapest13.1¢$6.32
New Hampshire27.0¢$13
New Jersey24.9¢$12
New Mexico15.1¢$7.26
New York29.5¢$14
North Carolina14.7¢$7.11
North Dakota14.1¢$6.81
Ohio19.2¢$9.25
Oklahoma14.3¢$6.91
Oregon16.3¢$7.87
Pennsylvania21.7¢$10
Rhode Island29.2¢$14
South Carolina15.6¢$7.50
South Dakota15.4¢$7.41
Tennessee14.1¢$6.78
Texas15.9¢$7.69
Utah13.4¢$6.45
Vermont24.4¢$12
Virginia17.2¢$8.30
Washington14.9¢$7.19
West Virginia15.4¢$7.45
Wisconsin19.6¢$9.43
Wyoming15.2¢$7.35

Certified models closest in efficiency

computer monitors within reach of 48 kWh/yr
ModelkWh/yr$/yr (US avg)
Acer CB241Y48$8.84
Acer B248Y48$8.85
PHILIPS 245S148$8.85
Lenovo D21238FT048$8.85
PHILIPS 24B1U5348$8.85
LG 27BR650B48$8.85

Run your own numbers

Your rate, your numbers

Per day
2¢
Per month
$0.73
Per year
$8.80

48 kWh/yr × 18.3¢/kWh = $8.80/yr

Prefilled with this model's certified 48 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 Lenovo D24238FL1 use?
ENERGY STAR certifies the Lenovo D24238FL1 at 48 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 Lenovo D24238FL1 cost to run per month?
About $0.74 a month at the U.S. average residential rate (18.3¢/kWh) — 2¢ a day, or $8.84 a year. Your state's rate moves this up or down; see the table above.
Is the Lenovo D24238FL1 energy efficient?
It uses 7% more electricity than the median certified computer monitor.
What does the Lenovo D24238FL1 cost to run in the cheapest vs. priciest state?
At current residential rates it costs about $6.32 a year in Nevada (13.1¢/kWh) and $25 in Hawaii (52.7¢/kWh).

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