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Data through June 2026

Running cost · Computer Monitors · ENERGY STAR certified

Samsung S27HG31*** (* = 0-9, A-Z or blank)

At the standardized usage ENERGY STAR assumes, the Samsung S27HG31*** (* = 0-9, A-Z or blank) consumes 38 kWh a year — about $6.89 at the U.S. average electricity rate ($0.57 a month). Compared with the median certified computer monitor, it uses 17% less electricity — rank 369 out of 1530. Where you live moves the bill from $4.93 a year in Nevada to $20 in Hawaii.

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

$6.89/yr

$2.04 · cheapest certified computer monitors$74 · priciest
Per month
$0.57
Per day
2¢
Certified use
38 kWh/yr
Screen size
27 in
Panel
IPS LCD
On-mode power
12 W
Sleep-mode power
0.14 W
11 kWh403 kWh
Where the Samsung S27HG31*** (* = 0-9, A-Z or blank) (▮) sits among all 1,530 certified computer monitors, by annual kWh

What it costs in every state

Samsung S27HG31*** (* = 0-9, A-Z or blank): 38 kWh/yr × each state's average residential rate (EIA)
StateRate ¢/kWhThis model $/yrRelative cost
Alabama16.4¢$6.16
Alaska28.2¢$11
Arizona15.2¢$5.71
Arkansas14.1¢$5.31
California34.7¢$13
Colorado17.1¢$6.44
Connecticut24.3¢$9.14
Delaware19.3¢$7.25
District of Columbia24.4¢$9.17
Florida15.1¢$5.68
Georgia16.4¢$6.15
Hawaiipriciest52.7¢$20
Idaho14.4¢$5.40
Illinois19.9¢$7.48
Indiana17.5¢$6.58
Iowa15.9¢$5.99
Kansas15.7¢$5.91
Kentucky14.3¢$5.36
Louisiana13.5¢$5.07
Maine29.6¢$11
Maryland21.8¢$8.21
Massachusetts29.6¢$11
Michigan23.0¢$8.64
Minnesota17.5¢$6.59
Mississippi14.9¢$5.59
Missouri16.2¢$6.10
Montana15.1¢$5.69
Nebraska13.3¢$4.98
Nevadacheapest13.1¢$4.93
New Hampshire27.0¢$10
New Jersey24.9¢$9.38
New Mexico15.1¢$5.66
New York29.5¢$11
North Carolina14.7¢$5.54
North Dakota14.1¢$5.31
Ohio19.2¢$7.21
Oklahoma14.3¢$5.39
Oregon16.3¢$6.13
Pennsylvania21.7¢$8.17
Rhode Island29.2¢$11
South Carolina15.6¢$5.85
South Dakota15.4¢$5.77
Tennessee14.1¢$5.29
Texas15.9¢$5.99
Utah13.4¢$5.03
Vermont24.4¢$9.19
Virginia17.2¢$6.47
Washington14.9¢$5.60
West Virginia15.4¢$5.81
Wisconsin19.6¢$7.35
Wyoming15.2¢$5.73

Certified models closest in efficiency

computer monitors within reach of 38 kWh/yr
ModelkWh/yr$/yr (US avg)
ViewSonic VS2037938$6.90
ViewSonic VS1881138$6.89
ViewSonic VS1915038$6.89
ViewSonic VS2155238$6.90
Lenovo A25270FS0most efficient38$6.90
ASUS VP227HF38$6.90

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 Samsung S27HG31*** (* = 0-9, A-Z or blank) use?
ENERGY STAR certifies the Samsung S27HG31*** (* = 0-9, A-Z or blank) 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 Samsung S27HG31*** (* = 0-9, A-Z or blank) cost to run per month?
About $0.57 a month at the U.S. average residential rate (18.3¢/kWh) — 2¢ a day, or $6.89 a year. Your state's rate moves this up or down; see the table above.
Is the Samsung S27HG31*** (* = 0-9, A-Z or blank) energy efficient?
It uses 17% less electricity than the median certified computer monitor, placing it in the efficient third of certified models.
What does the Samsung S27HG31*** (* = 0-9, A-Z or blank) cost to run in the cheapest vs. priciest state?
At current residential rates it costs about $4.93 a year in Nevada (13.1¢/kWh) and $20 in Hawaii (52.7¢/kWh).

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