WattCost

Data through April 2026

Running cost · Computer Monitors · ENERGY STAR certified

LG 25MS550

The LG 25MS550's certified consumption is 41 kWh per year, which prices out to about $7.80 at the national average rate — your hours of use scale that directly. That's close to the middle of the certified pack — about 8% under the median computer monitor, ranked 545 of 1482. Where you live moves the bill from $5.11 a year in North Dakota to $19 in Hawaii.

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

$7.80/yr

$2.09 · cheapest certified computer monitors$76 · priciest
Per month
$0.65
Per day
Certified use
41 kWh/yr
Screen size
24.5 in
Panel
IPS LCD
On-mode power
13 W
Sleep-mode power
0.27 W
11 kWh403 kWh
Where the LG 25MS550 (▮) sits among all 1,482 certified computer monitors, by annual kWh

What it costs in every state

LG 25MS550: 41 kWh/yr × each state's average residential rate (EIA)
StateRate ¢/kWhThis model $/yrRelative cost
Alabama17.4¢$7.21
Alaska27.4¢$11
Arizona15.5¢$6.41
Arkansas14.2¢$5.86
California35.3¢$15
Colorado16.5¢$6.85
Connecticut32.2¢$13
Delaware18.8¢$7.78
District of Columbia25.4¢$11
Florida15.4¢$6.37
Georgia15.4¢$6.36
Hawaiipriciest46.6¢$19
Idaho12.7¢$5.26
Illinois20.5¢$8.47
Indiana17.9¢$7.41
Iowa13.9¢$5.74
Kansas15.8¢$6.53
Kentucky15.0¢$6.22
Louisiana14.4¢$5.98
Maine28.4¢$12
Maryland22.1¢$9.14
Massachusetts29.4¢$12
Michigan21.4¢$8.86
Minnesota16.4¢$6.79
Mississippi16.8¢$6.94
Missouri14.0¢$5.80
Montana13.9¢$5.75
Nebraska13.3¢$5.50
Nevada14.3¢$5.92
New Hampshire27.2¢$11
New Jersey23.5¢$9.74
New Mexico15.2¢$6.27
New York29.4¢$12
North Carolina16.3¢$6.73
North Dakotacheapest12.3¢$5.11
Ohio19.5¢$8.07
Oklahoma13.3¢$5.51
Oregon15.8¢$6.53
Pennsylvania21.5¢$8.89
Rhode Island28.3¢$12
South Carolina17.1¢$7.06
South Dakota14.5¢$6.01
Tennessee14.9¢$6.19
Texas17.0¢$7.03
Utah13.3¢$5.50
Vermont24.6¢$10
Virginia17.4¢$7.20
Washington14.4¢$5.95
West Virginia16.1¢$6.65
Wisconsin19.2¢$7.95
Wyoming14.7¢$6.08

Certified models closest in efficiency

computer monitors within reach of 41 kWh/yr
ModelkWh/yr$/yr (US avg)
ASRock CL25FF41$7.80
MSI PRO MP275PH E1441$7.79
MSI 3PA141$7.79
MSI 3PC441$7.80
XITRIX WFP2420-14441$7.79
AOC 22E241$7.79

Run your own numbers

Your rate, your numbers

Per day
Per month
$0.64
Per year
$7.72

41 kWh/yr × 18.8¢/kWh = $7.72/yr

Prefilled with this model's certified 41 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 LG 25MS550 use?
ENERGY STAR certifies the LG 25MS550 at 41 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 LG 25MS550 cost to run per month?
About $0.65 a month at the U.S. average residential rate (18.8¢/kWh) — 2¢ a day, or $7.80 a year. Your state's rate moves this up or down; see the table above.
Is the LG 25MS550 energy efficient?
It uses 8% less electricity than the median certified computer monitor.
What does the LG 25MS550 cost to run in the cheapest vs. priciest state?
At current residential rates it costs about $5.11 a year in North Dakota (12.3¢/kWh) and $19 in Hawaii (46.6¢/kWh).

Keep digging