WattCost

Data through April 2026

Running cost · Computer Monitors · ENERGY STAR certified

Lenovo D20238FT0

The Lenovo D20238FT0's certified consumption is 36 kWh per year, which prices out to about $6.72 at the national average rate — your hours of use scale that directly. That's 21% less than the median certified computer monitor, placing it comfortably in the efficient third of the field (258 of 1482). Where you live moves the bill from $4.41 a year in North Dakota to $17 in Hawaii.

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

$6.72/yr

$2.09 · cheapest certified computer monitors$76 · priciest
Per month
$0.56
Per day
Certified use
36 kWh/yr
Screen size
23.8 in
Panel
IPS LCD
On-mode power
11.36 W
Sleep-mode power
0.15 W
11 kWh403 kWh
Where the Lenovo D20238FT0 (▮) sits among all 1,482 certified computer monitors, by annual kWh

What it costs in every state

Lenovo D20238FT0: 36 kWh/yr × each state's average residential rate (EIA)
StateRate ¢/kWhThis model $/yrRelative cost
Alabama17.4¢$6.21
Alaska27.4¢$9.76
Arizona15.5¢$5.52
Arkansas14.2¢$5.05
California35.3¢$13
Colorado16.5¢$5.90
Connecticut32.2¢$12
Delaware18.8¢$6.70
District of Columbia25.4¢$9.07
Florida15.4¢$5.49
Georgia15.4¢$5.48
Hawaiipriciest46.6¢$17
Idaho12.7¢$4.53
Illinois20.5¢$7.30
Indiana17.9¢$6.39
Iowa13.9¢$4.95
Kansas15.8¢$5.63
Kentucky15.0¢$5.36
Louisiana14.4¢$5.15
Maine28.4¢$10
Maryland22.1¢$7.87
Massachusetts29.4¢$11
Michigan21.4¢$7.63
Minnesota16.4¢$5.85
Mississippi16.8¢$5.98
Missouri14.0¢$5.00
Montana13.9¢$4.96
Nebraska13.3¢$4.74
Nevada14.3¢$5.10
New Hampshire27.2¢$9.72
New Jersey23.5¢$8.40
New Mexico15.2¢$5.41
New York29.4¢$11
North Carolina16.3¢$5.80
North Dakotacheapest12.3¢$4.41
Ohio19.5¢$6.95
Oklahoma13.3¢$4.75
Oregon15.8¢$5.63
Pennsylvania21.5¢$7.66
Rhode Island28.3¢$10
South Carolina17.1¢$6.09
South Dakota14.5¢$5.18
Tennessee14.9¢$5.33
Texas17.0¢$6.06
Utah13.3¢$4.74
Vermont24.6¢$8.76
Virginia17.4¢$6.20
Washington14.4¢$5.12
West Virginia16.1¢$5.73
Wisconsin19.2¢$6.85
Wyoming14.7¢$5.24

Certified models closest in efficiency

computer monitors within reach of 36 kWh/yr
ModelkWh/yr$/yr (US avg)
ASUS VY24936$6.71
DELL U2424Ht36$6.72
EIZO FlexScan EV248536$6.72
Lenovo H20215FE036$6.71
Acer EK251Q36$6.71
AOC 24B31H36$6.71

Run your own numbers

Your rate, your numbers

Per day
Per month
$0.56
Per year
$6.78

36 kWh/yr × 18.8¢/kWh = $6.78/yr

Prefilled with this model's certified 36 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 D20238FT0 use?
ENERGY STAR certifies the Lenovo D20238FT0 at 36 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 D20238FT0 cost to run per month?
About $0.56 a month at the U.S. average residential rate (18.8¢/kWh) — 2¢ a day, or $6.72 a year. Your state's rate moves this up or down; see the table above.
Is the Lenovo D20238FT0 energy efficient?
It uses 21% less electricity than the median certified computer monitor, placing it in the efficient third of certified models.
What does the Lenovo D20238FT0 cost to run in the cheapest vs. priciest state?
At current residential rates it costs about $4.41 a year in North Dakota (12.3¢/kWh) and $17 in Hawaii (46.6¢/kWh).

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