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Data through June 2026

Running cost · Computer Monitors · ENERGY STAR certified

ViewSonic VS19479

At the standardized usage ENERGY STAR assumes, the ViewSonic VS19479 consumes 56 kWh a year — about $10 at the U.S. average electricity rate ($0.85 a month). Efficiency-wise it's unremarkable in a good way: within 23% of the median certified computer monitor (rank 1018 of 1530). Where you live moves the bill from $7.28 a year in Nevada to $29 in Hawaii.

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

$10/yr

$2.04 · cheapest certified computer monitors$74 · priciest
Per month
$0.85
Per day
3¢
Certified use
56 kWh/yr
Screen size
27 in
Panel
TFT-LCD
On-mode power
17.74 W
Sleep-mode power
0.2 W
11 kWh403 kWh
Where the ViewSonic VS19479 (▮) sits among all 1,530 certified computer monitors, by annual kWh

What it costs in every state

ViewSonic VS19479: 56 kWh/yr × each state's average residential rate (EIA)
StateRate ¢/kWhThis model $/yrRelative cost
Alabama16.4¢$9.10
Alaska28.2¢$16
Arizona15.2¢$8.43
Arkansas14.1¢$7.84
California34.7¢$19
Colorado17.1¢$9.51
Connecticut24.3¢$14
Delaware19.3¢$11
District of Columbia24.4¢$14
Florida15.1¢$8.38
Georgia16.4¢$9.08
Hawaiipriciest52.7¢$29
Idaho14.4¢$7.98
Illinois19.9¢$11
Indiana17.5¢$9.72
Iowa15.9¢$8.84
Kansas15.7¢$8.72
Kentucky14.3¢$7.92
Louisiana13.5¢$7.49
Maine29.6¢$16
Maryland21.8¢$12
Massachusetts29.6¢$16
Michigan23.0¢$13
Minnesota17.5¢$9.73
Mississippi14.9¢$8.26
Missouri16.2¢$9.00
Montana15.1¢$8.40
Nebraska13.3¢$7.36
Nevadacheapest13.1¢$7.28
New Hampshire27.0¢$15
New Jersey24.9¢$14
New Mexico15.1¢$8.36
New York29.5¢$16
North Carolina14.7¢$8.18
North Dakota14.1¢$7.84
Ohio19.2¢$11
Oklahoma14.3¢$7.95
Oregon16.3¢$9.06
Pennsylvania21.7¢$12
Rhode Island29.2¢$16
South Carolina15.6¢$8.63
South Dakota15.4¢$8.53
Tennessee14.1¢$7.81
Texas15.9¢$8.85
Utah13.4¢$7.42
Vermont24.4¢$14
Virginia17.2¢$9.56
Washington14.9¢$8.28
West Virginia15.4¢$8.58
Wisconsin19.6¢$11
Wyoming15.2¢$8.46

Certified models closest in efficiency

computer monitors within reach of 56 kWh/yr
ModelkWh/yr$/yr (US avg)
ViewSonic VS17380most efficient56$10
PHILIPS 24B2U3301D56$10
HP HP 727pq56$10
AOpen 24UT1Y56$10
LG 34BN67055$10
LG 34BN670P55$10

Run your own numbers

Your rate, your numbers

Per day
3¢
Per month
$0.86
Per year
$10

56 kWh/yr × 18.3¢/kWh = $10/yr

Prefilled with this model's certified 56 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 VS19479 use?
ENERGY STAR certifies the ViewSonic VS19479 at 56 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 VS19479 cost to run per month?
About $0.85 a month at the U.S. average residential rate (18.3¢/kWh) — 3¢ a day, or $10 a year. Your state's rate moves this up or down; see the table above.
Is the ViewSonic VS19479 energy efficient?
It uses 23% more electricity than the median certified computer monitor.
What does the ViewSonic VS19479 cost to run in the cheapest vs. priciest state?
At current residential rates it costs about $7.28 a year in Nevada (13.1¢/kWh) and $29 in Hawaii (52.7¢/kWh).

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