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Data through June 2026

Running cost · Computer Monitors · ENERGY STAR certified

ViewSonic VS18303

At the standardized usage ENERGY STAR assumes, the ViewSonic VS18303 consumes 60 kWh a year — about $11 at the U.S. average electricity rate ($0.91 a month). Efficiency-wise it's unremarkable in a good way: within 33% of the median certified computer monitor (rank 1071 of 1530). The same unit costs $7.83 a year in Nevada but $31 in Hawaii — electricity rates, not the appliance, make the difference.

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

$11/yr

$2.04 · cheapest certified computer monitors$74 · priciest
Per month
$0.91
Per day
3¢
Certified use
60 kWh/yr
Screen size
27 in
Panel
IPS LCD
On-mode power
18.71 W
Sleep-mode power
0.41 W
11 kWh403 kWh
Where the ViewSonic VS18303 (▮) sits among all 1,530 certified computer monitors, by annual kWh

What it costs in every state

ViewSonic VS18303: 60 kWh/yr × each state's average residential rate (EIA)
StateRate ¢/kWhThis model $/yrRelative cost
Alabama16.4¢$9.79
Alaska28.2¢$17
Arizona15.2¢$9.06
Arkansas14.1¢$8.43
California34.7¢$21
Colorado17.1¢$10
Connecticut24.3¢$15
Delaware19.3¢$12
District of Columbia24.4¢$15
Florida15.1¢$9.01
Georgia16.4¢$9.77
Hawaiipriciest52.7¢$31
Idaho14.4¢$8.58
Illinois19.9¢$12
Indiana17.5¢$10
Iowa15.9¢$9.51
Kansas15.7¢$9.38
Kentucky14.3¢$8.51
Louisiana13.5¢$8.05
Maine29.6¢$18
Maryland21.8¢$13
Massachusetts29.6¢$18
Michigan23.0¢$14
Minnesota17.5¢$10
Mississippi14.9¢$8.88
Missouri16.2¢$9.68
Montana15.1¢$9.04
Nebraska13.3¢$7.91
Nevadacheapest13.1¢$7.83
New Hampshire27.0¢$16
New Jersey24.9¢$15
New Mexico15.1¢$8.99
New York29.5¢$18
North Carolina14.7¢$8.80
North Dakota14.1¢$8.43
Ohio19.2¢$11
Oklahoma14.3¢$8.56
Oregon16.3¢$9.74
Pennsylvania21.7¢$13
Rhode Island29.2¢$17
South Carolina15.6¢$9.28
South Dakota15.4¢$9.17
Tennessee14.1¢$8.40
Texas15.9¢$9.52
Utah13.4¢$7.98
Vermont24.4¢$15
Virginia17.2¢$10
Washington14.9¢$8.90
West Virginia15.4¢$9.22
Wisconsin19.6¢$12
Wyoming15.2¢$9.10

Certified models closest in efficiency

computer monitors within reach of 60 kWh/yr
ModelkWh/yr$/yr (US avg)
AOC 270LM0004360$11
ViewSonic VS2128660$11
Lenovo D26TIO2760$11
Acer CB27260$11
PHILIPS 272B7QU60$11
Samsung S27A600NAN60$11

Run your own numbers

Your rate, your numbers

Per day
3¢
Per month
$0.92
Per year
$11

60 kWh/yr × 18.3¢/kWh = $11/yr

Prefilled with this model's certified 60 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 ViewSonic VS18303 use?
ENERGY STAR certifies the ViewSonic VS18303 at 60 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 ViewSonic VS18303 cost to run per month?
About $0.91 a month at the U.S. average residential rate (18.3¢/kWh) — 3¢ a day, or $11 a year. Your state's rate moves this up or down; see the table above.
Is the ViewSonic VS18303 energy efficient?
It uses 33% more electricity than the median certified computer monitor.
What does the ViewSonic VS18303 cost to run in the cheapest vs. priciest state?
At current residential rates it costs about $7.83 a year in Nevada (13.1¢/kWh) and $31 in Hawaii (52.7¢/kWh).

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