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Data through June 2026

Running cost · Computer Monitors · ENERGY STAR certified

MSI PRO MP242L

At the standardized usage ENERGY STAR assumes, the MSI PRO MP242L consumes 42 kWh a year — about $7.73 at the U.S. average electricity rate ($0.64 a month). Efficiency-wise it's unremarkable in a good way: within 6% of the median certified computer monitor (rank 622 of 1530). Where you live moves the bill from $5.52 a year in Nevada to $22 in Hawaii.

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

$7.73/yr

$2.04 · cheapest certified computer monitors$74 · priciest
Per month
$0.64
Per day
2¢
Certified use
42 kWh/yr
Screen size
23.8 in
Panel
IPS LCD
On-mode power
13.5 W
Sleep-mode power
0.13 W
11 kWh403 kWh
Where the MSI PRO MP242L (▮) sits among all 1,530 certified computer monitors, by annual kWh

What it costs in every state

MSI PRO MP242L: 42 kWh/yr × each state's average residential rate (EIA)
StateRate ¢/kWhThis model $/yrRelative cost
Alabama16.4¢$6.91
Alaska28.2¢$12
Arizona15.2¢$6.40
Arkansas14.1¢$5.95
California34.7¢$15
Colorado17.1¢$7.22
Connecticut24.3¢$10
Delaware19.3¢$8.13
District of Columbia24.4¢$10
Florida15.1¢$6.36
Georgia16.4¢$6.89
Hawaiipriciest52.7¢$22
Idaho14.4¢$6.06
Illinois19.9¢$8.38
Indiana17.5¢$7.38
Iowa15.9¢$6.71
Kansas15.7¢$6.62
Kentucky14.3¢$6.01
Louisiana13.5¢$5.68
Maine29.6¢$12
Maryland21.8¢$9.20
Massachusetts29.6¢$12
Michigan23.0¢$9.69
Minnesota17.5¢$7.38
Mississippi14.9¢$6.27
Missouri16.2¢$6.84
Montana15.1¢$6.38
Nebraska13.3¢$5.58
Nevadacheapest13.1¢$5.52
New Hampshire27.0¢$11
New Jersey24.9¢$11
New Mexico15.1¢$6.35
New York29.5¢$12
North Carolina14.7¢$6.21
North Dakota14.1¢$5.95
Ohio19.2¢$8.09
Oklahoma14.3¢$6.04
Oregon16.3¢$6.88
Pennsylvania21.7¢$9.16
Rhode Island29.2¢$12
South Carolina15.6¢$6.55
South Dakota15.4¢$6.47
Tennessee14.1¢$5.93
Texas15.9¢$6.72
Utah13.4¢$5.63
Vermont24.4¢$10
Virginia17.2¢$7.26
Washington14.9¢$6.28
West Virginia15.4¢$6.51
Wisconsin19.6¢$8.24
Wyoming15.2¢$6.42

Certified models closest in efficiency

computer monitors within reach of 42 kWh/yr
ModelkWh/yr$/yr (US avg)
ASRock PG25FFT42$7.73
ASUS VY22942$7.73
Acer CB242Y42$7.73
AOC 24B2XD42$7.73
BenQ GW2280-T42$7.72
PHILIPS 22B2U2300E42$7.72

Run your own numbers

Your rate, your numbers

Per day
2¢
Per month
$0.64
Per year
$7.70

42 kWh/yr × 18.3¢/kWh = $7.70/yr

Prefilled with this model's certified 42 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 MSI PRO MP242L use?
ENERGY STAR certifies the MSI PRO MP242L at 42 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 MSI PRO MP242L cost to run per month?
About $0.64 a month at the U.S. average residential rate (18.3¢/kWh) — 2¢ a day, or $7.73 a year. Your state's rate moves this up or down; see the table above.
Is the MSI PRO MP242L energy efficient?
It uses 6% less electricity than the median certified computer monitor.
What does the MSI PRO MP242L cost to run in the cheapest vs. priciest state?
At current residential rates it costs about $5.52 a year in Nevada (13.1¢/kWh) and $22 in Hawaii (52.7¢/kWh).

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