WattCost

Data through June 2026

Running cost · Computer Monitors · ENERGY STAR certified

LG 27BR550Y

The LG 27BR550Y's certified consumption is 41 kWh per year, which prices out to about $7.45 at the national average rate — your hours of use scale that directly. That's close to the middle of the certified pack — about 10% under the median computer monitor, ranked 539 of 1530. The same unit costs $5.33 a year in Nevada but $21 in Hawaii — electricity rates, not the appliance, make the difference.

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

$7.45/yr

$2.04 · cheapest certified computer monitors$74 · priciest
Per month
$0.62
Per day
2¢
Certified use
41 kWh/yr
Screen size
27 in
Panel
IPS LCD
On-mode power
13.03 W
Sleep-mode power
0.12 W
11 kWh403 kWh
Where the LG 27BR550Y (▮) sits among all 1,530 certified computer monitors, by annual kWh

What it costs in every state

LG 27BR550Y: 41 kWh/yr × each state's average residential rate (EIA)
StateRate ¢/kWhThis model $/yrRelative cost
Alabama16.4¢$6.66
Alaska28.2¢$11
Arizona15.2¢$6.17
Arkansas14.1¢$5.74
California34.7¢$14
Colorado17.1¢$6.96
Connecticut24.3¢$9.88
Delaware19.3¢$7.84
District of Columbia24.4¢$9.91
Florida15.1¢$6.14
Georgia16.4¢$6.65
Hawaiipriciest52.7¢$21
Idaho14.4¢$5.84
Illinois19.9¢$8.08
Indiana17.5¢$7.11
Iowa15.9¢$6.47
Kansas15.7¢$6.38
Kentucky14.3¢$5.79
Louisiana13.5¢$5.48
Maine29.6¢$12
Maryland21.8¢$8.87
Massachusetts29.6¢$12
Michigan23.0¢$9.34
Minnesota17.5¢$7.12
Mississippi14.9¢$6.05
Missouri16.2¢$6.59
Montana15.1¢$6.15
Nebraska13.3¢$5.38
Nevadacheapest13.1¢$5.33
New Hampshire27.0¢$11
New Jersey24.9¢$10
New Mexico15.1¢$6.12
New York29.5¢$12
North Carolina14.7¢$5.99
North Dakota14.1¢$5.74
Ohio19.2¢$7.80
Oklahoma14.3¢$5.82
Oregon16.3¢$6.63
Pennsylvania21.7¢$8.83
Rhode Island29.2¢$12
South Carolina15.6¢$6.32
South Dakota15.4¢$6.24
Tennessee14.1¢$5.72
Texas15.9¢$6.48
Utah13.4¢$5.43
Vermont24.4¢$9.93
Virginia17.2¢$7.00
Washington14.9¢$6.06
West Virginia15.4¢$6.28
Wisconsin19.6¢$7.95
Wyoming15.2¢$6.19

Certified models closest in efficiency

computer monitors within reach of 41 kWh/yr
ModelkWh/yr$/yr (US avg)
AOC 27B241$7.45
LG 27BR530Y41$7.45
PHILIPS 241B7QU41$7.45
Acer V226HQL41$7.45
ASUS VZ249HG41$7.46
AOC 24B141$7.44

Run your own numbers

Your rate, your numbers

Per day
2¢
Per month
$0.63
Per year
$7.52

41 kWh/yr × 18.3¢/kWh = $7.52/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 27BR550Y use?
ENERGY STAR certifies the LG 27BR550Y 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 27BR550Y cost to run per month?
About $0.62 a month at the U.S. average residential rate (18.3¢/kWh) — 2¢ a day, or $7.45 a year. Your state's rate moves this up or down; see the table above.
Is the LG 27BR550Y energy efficient?
It uses 10% less electricity than the median certified computer monitor.
What does the LG 27BR550Y cost to run in the cheapest vs. priciest state?
At current residential rates it costs about $5.33 a year in Nevada (13.1¢/kWh) and $21 in Hawaii (52.7¢/kWh).

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