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Data through April 2026

Running cost · Computer Monitors · ENERGY STAR certified

Lenovo D22140MX0

At the standardized usage ENERGY STAR assumes, the Lenovo D22140MX0 consumes 17 kWh a year — about $3.25 at the U.S. average electricity rate ($0.27 a month). That puts it in the most efficient tenth of every certified computer monitor — 62% less electricity than the median, ranked 19 of 1482. Where you live moves the bill from $2.13 a year in North Dakota to $8.05 in Hawaii.

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

$3.25/yr

$2.09 · cheapest certified computer monitors$76 · priciest
Per month
$0.27
Per day
Certified use
17 kWh/yr
Screen size
14 in
Panel
IPS LCD
On-mode power
4.96 W
Sleep-mode power
0.36 W
11 kWh403 kWh
Where the Lenovo D22140MX0 (▮) sits among all 1,482 certified computer monitors, by annual kWh

What it costs in every state

Lenovo D22140MX0: 17 kWh/yr × each state's average residential rate (EIA)
StateRate ¢/kWhThis model $/yrRelative cost
Alabama17.4¢$3.00
Alaska27.4¢$4.72
Arizona15.5¢$2.67
Arkansas14.2¢$2.44
California35.3¢$6.08
Colorado16.5¢$2.85
Connecticut32.2¢$5.56
Delaware18.8¢$3.24
District of Columbia25.4¢$4.39
Florida15.4¢$2.65
Georgia15.4¢$2.65
Hawaiipriciest46.6¢$8.05
Idaho12.7¢$2.19
Illinois20.5¢$3.53
Indiana17.9¢$3.09
Iowa13.9¢$2.39
Kansas15.8¢$2.72
Kentucky15.0¢$2.59
Louisiana14.4¢$2.49
Maine28.4¢$4.91
Maryland22.1¢$3.81
Massachusetts29.4¢$5.08
Michigan21.4¢$3.69
Minnesota16.4¢$2.83
Mississippi16.8¢$2.89
Missouri14.0¢$2.42
Montana13.9¢$2.40
Nebraska13.3¢$2.29
Nevada14.3¢$2.47
New Hampshire27.2¢$4.70
New Jersey23.5¢$4.06
New Mexico15.2¢$2.61
New York29.4¢$5.08
North Carolina16.3¢$2.80
North Dakotacheapest12.3¢$2.13
Ohio19.5¢$3.36
Oklahoma13.3¢$2.30
Oregon15.8¢$2.72
Pennsylvania21.5¢$3.71
Rhode Island28.3¢$4.88
South Carolina17.1¢$2.94
South Dakota14.5¢$2.51
Tennessee14.9¢$2.58
Texas17.0¢$2.93
Utah13.3¢$2.29
Vermont24.6¢$4.24
Virginia17.4¢$3.00
Washington14.4¢$2.48
West Virginia16.1¢$2.77
Wisconsin19.2¢$3.32
Wyoming14.7¢$2.53

Certified models closest in efficiency

computer monitors within reach of 17 kWh/yr
ModelkWh/yr$/yr (US avg)
ASUS MQ16A18$3.30
HP BCLAA-180317$3.20
ASUS MQ13A17$3.20
EIZO FlexScan S1734most efficient18$3.33
ASUS PA14717$3.17
DELL P1425f18$3.35

Run your own numbers

Your rate, your numbers

Per day
Per month
$0.27
Per year
$3.20

17 kWh/yr × 18.8¢/kWh = $3.20/yr

Prefilled with this model's certified 17 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 D22140MX0 use?
ENERGY STAR certifies the Lenovo D22140MX0 at 17 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 D22140MX0 cost to run per month?
About $0.27 a month at the U.S. average residential rate (18.8¢/kWh) — 1¢ a day, or $3.25 a year. Your state's rate moves this up or down; see the table above.
Is the Lenovo D22140MX0 energy efficient?
It uses 62% less electricity than the median certified computer monitor, placing it in the top 10% of certified models.
What does the Lenovo D22140MX0 cost to run in the cheapest vs. priciest state?
At current residential rates it costs about $2.13 a year in North Dakota (12.3¢/kWh) and $8.05 in Hawaii (46.6¢/kWh).

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