WattCost

Data through June 2026

Running cost · Computer Monitors · ENERGY STAR certified

Samsung S24HG31*** (* = 0-9, A-Z or blank)

The Samsung S24HG31*** (* = 0-9, A-Z or blank)'s certified consumption is 39 kWh per year, which prices out to about $7.19 at the national average rate — your hours of use scale that directly. That's 13% less than the median certified computer monitor, placing it comfortably in the efficient third of the field (461 of 1530). The same unit costs $5.14 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

$7.19/yr

$2.04 · cheapest certified computer monitors$74 · priciest
Per month
$0.60
Per day
2¢
Certified use
39 kWh/yr
Screen size
23.8 in
Panel
IPS LCD
On-mode power
12.53 W
Sleep-mode power
0.14 W
11 kWh403 kWh
Where the Samsung S24HG31*** (* = 0-9, A-Z or blank) (▮) sits among all 1,530 certified computer monitors, by annual kWh

What it costs in every state

Samsung S24HG31*** (* = 0-9, A-Z or blank): 39 kWh/yr × each state's average residential rate (EIA)
StateRate ¢/kWhThis model $/yrRelative cost
Alabama16.4¢$6.43
Alaska28.2¢$11
Arizona15.2¢$5.95
Arkansas14.1¢$5.54
California34.7¢$14
Colorado17.1¢$6.72
Connecticut24.3¢$9.54
Delaware19.3¢$7.56
District of Columbia24.4¢$9.56
Florida15.1¢$5.92
Georgia16.4¢$6.41
Hawaiipriciest52.7¢$21
Idaho14.4¢$5.63
Illinois19.9¢$7.80
Indiana17.5¢$6.87
Iowa15.9¢$6.25
Kansas15.7¢$6.16
Kentucky14.3¢$5.59
Louisiana13.5¢$5.29
Maine29.6¢$12
Maryland21.8¢$8.56
Massachusetts29.6¢$12
Michigan23.0¢$9.01
Minnesota17.5¢$6.87
Mississippi14.9¢$5.83
Missouri16.2¢$6.36
Montana15.1¢$5.94
Nebraska13.3¢$5.20
Nevadacheapest13.1¢$5.14
New Hampshire27.0¢$11
New Jersey24.9¢$9.78
New Mexico15.1¢$5.91
New York29.5¢$12
North Carolina14.7¢$5.78
North Dakota14.1¢$5.54
Ohio19.2¢$7.52
Oklahoma14.3¢$5.62
Oregon16.3¢$6.40
Pennsylvania21.7¢$8.52
Rhode Island29.2¢$11
South Carolina15.6¢$6.10
South Dakota15.4¢$6.02
Tennessee14.1¢$5.52
Texas15.9¢$6.25
Utah13.4¢$5.24
Vermont24.4¢$9.58
Virginia17.2¢$6.75
Washington14.9¢$5.85
West Virginia15.4¢$6.06
Wisconsin19.6¢$7.67
Wyoming15.2¢$5.98

Certified models closest in efficiency

computer monitors within reach of 39 kWh/yr
ModelkWh/yr$/yr (US avg)
Lenovo H25270FE0most efficient39$7.19
SCEPTRE E2239$7.20
DELL E2423HNf39$7.20
Acer CB322Qmost efficient39$7.20
Acer B226HQL39$7.21
MSI PRO MP251W E239$7.21

Run your own numbers

Your rate, your numbers

Per day
2¢
Per month
$0.60
Per year
$7.15

39 kWh/yr × 18.3¢/kWh = $7.15/yr

Prefilled with this model's certified 39 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 S24HG31*** (* = 0-9, A-Z or blank) use?
ENERGY STAR certifies the Samsung S24HG31*** (* = 0-9, A-Z or blank) at 39 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 S24HG31*** (* = 0-9, A-Z or blank) cost to run per month?
About $0.60 a month at the U.S. average residential rate (18.3¢/kWh) — 2¢ a day, or $7.19 a year. Your state's rate moves this up or down; see the table above.
Is the Samsung S24HG31*** (* = 0-9, A-Z or blank) energy efficient?
It uses 13% less electricity than the median certified computer monitor, placing it in the efficient third of certified models.
What does the Samsung S24HG31*** (* = 0-9, A-Z or blank) cost to run in the cheapest vs. priciest state?
At current residential rates it costs about $5.14 a year in Nevada (13.1¢/kWh) and $21 in Hawaii (52.7¢/kWh).

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