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Data through April 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 $7.08 at the U.S. average electricity rate ($0.59 a month). Compared with the median certified computer monitor, it uses 17% less electricity — rank 353 out of 1482. Where you live moves the bill from $4.64 a year in North Dakota to $18 in Hawaii.

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

$7.08/yr

$2.09 · cheapest certified computer monitors$76 · priciest
Per month
$0.59
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 1,482 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
Alabama17.4¢$6.54
Alaska27.4¢$10
Arizona15.5¢$5.82
Arkansas14.2¢$5.32
California35.3¢$13
Colorado16.5¢$6.22
Connecticut32.2¢$12
Delaware18.8¢$7.06
District of Columbia25.4¢$9.55
Florida15.4¢$5.78
Georgia15.4¢$5.78
Hawaiipriciest46.6¢$18
Idaho12.7¢$4.77
Illinois20.5¢$7.69
Indiana17.9¢$6.73
Iowa13.9¢$5.21
Kansas15.8¢$5.93
Kentucky15.0¢$5.65
Louisiana14.4¢$5.43
Maine28.4¢$11
Maryland22.1¢$8.30
Massachusetts29.4¢$11
Michigan21.4¢$8.04
Minnesota16.4¢$6.16
Mississippi16.8¢$6.30
Missouri14.0¢$5.27
Montana13.9¢$5.23
Nebraska13.3¢$4.99
Nevada14.3¢$5.37
New Hampshire27.2¢$10
New Jersey23.5¢$8.84
New Mexico15.2¢$5.69
New York29.4¢$11
North Carolina16.3¢$6.11
North Dakotacheapest12.3¢$4.64
Ohio19.5¢$7.33
Oklahoma13.3¢$5.00
Oregon15.8¢$5.93
Pennsylvania21.5¢$8.07
Rhode Island28.3¢$11
South Carolina17.1¢$6.41
South Dakota14.5¢$5.46
Tennessee14.9¢$5.62
Texas17.0¢$6.39
Utah13.3¢$5.00
Vermont24.6¢$9.23
Virginia17.4¢$6.53
Washington14.4¢$5.40
West Virginia16.1¢$6.04
Wisconsin19.2¢$7.22
Wyoming14.7¢$5.52

Certified models closest in efficiency

computer monitors within reach of 38 kWh/yr
ModelkWh/yr$/yr (US avg)
ViewSonic VS2037938$7.08
ViewSonic VS1881138$7.08
ViewSonic VS1915038$7.08
Lenovo A25270FS0most efficient38$7.08
ASUS VP227HF38$7.09
MSI PRO MP251 E14A38$7.09

Run your own numbers

Your rate, your numbers

Per day
2¢
Per month
$0.60
Per year
$7.16

38 kWh/yr × 18.8¢/kWh = $7.16/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 $0.59 a month at the U.S. average residential rate (18.8¢/kWh) — 2¢ a day, or $7.08 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 $4.64 a year in North Dakota (12.3¢/kWh) and $18 in Hawaii (46.6¢/kWh).

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