WattCost

Data through June 2026

Running cost · Computer Monitors · ENERGY STAR certified

Lenovo T24d-30

The Lenovo T24d-30's certified consumption is 38 kWh per year, which prices out to about $7.06 at the national average rate — your hours of use scale that directly. That's 15% less than the median certified computer monitor, placing it comfortably in the efficient third of the field (420 of 1530). Where you live moves the bill from $5.04 a year in Nevada to $20 in Hawaii.

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

$7.06/yr

$2.04 · cheapest certified computer monitors$74 · priciest
Per month
$0.59
Per day
2¢
Certified use
38 kWh/yr
Screen size
24 in
Panel
TFT LCD
On-mode power
12.2 W
Sleep-mode power
0.19 W
11 kWh403 kWh
Where the Lenovo T24d-30 (▮) sits among all 1,530 certified computer monitors, by annual kWh

What it costs in every state

Lenovo T24d-30: 38 kWh/yr × each state's average residential rate (EIA)
StateRate ¢/kWhThis model $/yrRelative cost
Alabama16.4¢$6.31
Alaska28.2¢$11
Arizona15.2¢$5.84
Arkansas14.1¢$5.43
California34.7¢$13
Colorado17.1¢$6.59
Connecticut24.3¢$9.36
Delaware19.3¢$7.42
District of Columbia24.4¢$9.39
Florida15.1¢$5.81
Georgia16.4¢$6.30
Hawaiipriciest52.7¢$20
Idaho14.4¢$5.53
Illinois19.9¢$7.65
Indiana17.5¢$6.74
Iowa15.9¢$6.13
Kansas15.7¢$6.05
Kentucky14.3¢$5.49
Louisiana13.5¢$5.19
Maine29.6¢$11
Maryland21.8¢$8.40
Massachusetts29.6¢$11
Michigan23.0¢$8.85
Minnesota17.5¢$6.74
Mississippi14.9¢$5.73
Missouri16.2¢$6.24
Montana15.1¢$5.83
Nebraska13.3¢$5.10
Nevadacheapest13.1¢$5.04
New Hampshire27.0¢$10
New Jersey24.9¢$9.60
New Mexico15.1¢$5.80
New York29.5¢$11
North Carolina14.7¢$5.67
North Dakota14.1¢$5.43
Ohio19.2¢$7.38
Oklahoma14.3¢$5.51
Oregon16.3¢$6.28
Pennsylvania21.7¢$8.36
Rhode Island29.2¢$11
South Carolina15.6¢$5.98
South Dakota15.4¢$5.91
Tennessee14.1¢$5.41
Texas15.9¢$6.13
Utah13.4¢$5.14
Vermont24.4¢$9.40
Virginia17.2¢$6.63
Washington14.9¢$5.74
West Virginia15.4¢$5.95
Wisconsin19.6¢$7.53
Wyoming15.2¢$5.86

Certified models closest in efficiency

computer monitors within reach of 38 kWh/yr
ModelkWh/yr$/yr (US avg)
PHILIPS 242E238$7.06
AOpen 27UT2most efficient38$7.06
EIZO FlexScan EV249538$7.06
ViewSonic VS1797839$7.06
ghia MG222339$7.06
HP HP 324pb38$7.05

Run your own numbers

Your rate, your numbers

Per day
2¢
Per month
$0.58
Per year
$6.97

38 kWh/yr × 18.3¢/kWh = $6.97/yr

Prefilled with this model's certified 38 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 T24d-30 use?
ENERGY STAR certifies the Lenovo T24d-30 at 38 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 T24d-30 cost to run per month?
About $0.59 a month at the U.S. average residential rate (18.3¢/kWh) — 2¢ a day, or $7.06 a year. Your state's rate moves this up or down; see the table above.
Is the Lenovo T24d-30 energy efficient?
It uses 15% less electricity than the median certified computer monitor, placing it in the efficient third of certified models.
What does the Lenovo T24d-30 cost to run in the cheapest vs. priciest state?
At current residential rates it costs about $5.04 a year in Nevada (13.1¢/kWh) and $20 in Hawaii (52.7¢/kWh).

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