WattCost

Data through June 2026

Running cost · Computer Monitors · ENERGY STAR certified

ViewSonic VS18705

At the standardized usage ENERGY STAR assumes, the ViewSonic VS18705 consumes 56 kWh a year — about $10 at the U.S. average electricity rate ($0.86 a month). That's close to the middle of the certified pack — about 25% above the median computer monitor, ranked 1028 of 1530. The same unit costs $7.35 a year in Nevada but $30 in Hawaii — electricity rates, not the appliance, make the difference. It also meets ENERGY STAR's stricter “Most Efficient” criteria.

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

$10/yr

$2.04 · cheapest certified computer monitors$74 · priciest
Per month
$0.86
Per day
3¢
Certified use
56 kWh/yr
Screen size
27 in
Panel
IPS LCD
On-mode power
17.75 W
Sleep-mode power
0.29 W
11 kWh403 kWh
Where the ViewSonic VS18705 (▮) sits among all 1,530 certified computer monitors, by annual kWh

What it costs in every state

ViewSonic VS18705: 56 kWh/yr × each state's average residential rate (EIA)
StateRate ¢/kWhThis model $/yrRelative cost
Alabama16.4¢$9.20
Alaska28.2¢$16
Arizona15.2¢$8.51
Arkansas14.1¢$7.92
California34.7¢$19
Colorado17.1¢$9.60
Connecticut24.3¢$14
Delaware19.3¢$11
District of Columbia24.4¢$14
Florida15.1¢$8.47
Georgia16.4¢$9.17
Hawaiipriciest52.7¢$30
Idaho14.4¢$8.06
Illinois19.9¢$11
Indiana17.5¢$9.82
Iowa15.9¢$8.93
Kansas15.7¢$8.81
Kentucky14.3¢$8.00
Louisiana13.5¢$7.56
Maine29.6¢$17
Maryland21.8¢$12
Massachusetts29.6¢$17
Michigan23.0¢$13
Minnesota17.5¢$9.82
Mississippi14.9¢$8.34
Missouri16.2¢$9.09
Montana15.1¢$8.49
Nebraska13.3¢$7.43
Nevadacheapest13.1¢$7.35
New Hampshire27.0¢$15
New Jersey24.9¢$14
New Mexico15.1¢$8.44
New York29.5¢$17
North Carolina14.7¢$8.26
North Dakota14.1¢$7.92
Ohio19.2¢$11
Oklahoma14.3¢$8.03
Oregon16.3¢$9.15
Pennsylvania21.7¢$12
Rhode Island29.2¢$16
South Carolina15.6¢$8.72
South Dakota15.4¢$8.61
Tennessee14.1¢$7.89
Texas15.9¢$8.94
Utah13.4¢$7.50
Vermont24.4¢$14
Virginia17.2¢$9.66
Washington14.9¢$8.36
West Virginia15.4¢$8.66
Wisconsin19.6¢$11
Wyoming15.2¢$8.55

Certified models closest in efficiency

computer monitors within reach of 56 kWh/yr
ModelkWh/yr$/yr (US avg)
MSI 3PB656$10
Lenovo C25270QT056$10
DELL P2425DEc56$10
MSI 3CD956$10
ViewSonic VS1915156$10
LG 27BA65QB56$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 VS18705 use?
ENERGY STAR certifies the ViewSonic VS18705 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 VS18705 cost to run per month?
About $0.86 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 VS18705 energy efficient?
It uses 25% more electricity than the median certified computer monitor. It also meets ENERGY STAR's Most Efficient criteria.
What does the ViewSonic VS18705 cost to run in the cheapest vs. priciest state?
At current residential rates it costs about $7.35 a year in Nevada (13.1¢/kWh) and $30 in Hawaii (52.7¢/kWh).

Keep digging