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Data through April 2026

Running cost · Computer Monitors · ENERGY STAR certified

ViewSonic VS19589

The ViewSonic VS19589's certified consumption is 18 kWh per year, which prices out to about $3.39 at the national average rate — your hours of use scale that directly. Only a handful of certified computer monitors do better: it ranks 25 of 1482 and undercuts the median by 60%. The same unit costs $2.22 a year in North Dakota but $8.39 in Hawaii — electricity rates, not the appliance, make the difference.

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

$3.39/yr

$2.09 · cheapest certified computer monitors$76 · priciest
Per month
$0.28
Per day
1¢
Certified use
18 kWh/yr
Screen size
16 in
Panel
IPS LCD
On-mode power
6 W
Sleep-mode power
0.24 W
11 kWh403 kWh
Where the ViewSonic VS19589 (▮) sits among all 1,482 certified computer monitors, by annual kWh

What it costs in every state

ViewSonic VS19589: 18 kWh/yr × each state's average residential rate (EIA)
StateRate ¢/kWhThis model $/yrRelative cost
Alabama17.4¢$3.13
Alaska27.4¢$4.92
Arizona15.5¢$2.79
Arkansas14.2¢$2.55
California35.3¢$6.34
Colorado16.5¢$2.98
Connecticut32.2¢$5.80
Delaware18.8¢$3.38
District of Columbia25.4¢$4.57
Florida15.4¢$2.77
Georgia15.4¢$2.77
Hawaiipriciest46.6¢$8.39
Idaho12.7¢$2.29
Illinois20.5¢$3.68
Indiana17.9¢$3.22
Iowa13.9¢$2.49
Kansas15.8¢$2.84
Kentucky15.0¢$2.70
Louisiana14.4¢$2.60
Maine28.4¢$5.12
Maryland22.1¢$3.97
Massachusetts29.4¢$5.30
Michigan21.4¢$3.85
Minnesota16.4¢$2.95
Mississippi16.8¢$3.02
Missouri14.0¢$2.52
Montana13.9¢$2.50
Nebraska13.3¢$2.39
Nevada14.3¢$2.57
New Hampshire27.2¢$4.90
New Jersey23.5¢$4.24
New Mexico15.2¢$2.73
New York29.4¢$5.30
North Carolina16.3¢$2.92
North Dakotacheapest12.3¢$2.22
Ohio19.5¢$3.51
Oklahoma13.3¢$2.40
Oregon15.8¢$2.84
Pennsylvania21.5¢$3.86
Rhode Island28.3¢$5.09
South Carolina17.1¢$3.07
South Dakota14.5¢$2.61
Tennessee14.9¢$2.69
Texas17.0¢$3.06
Utah13.3¢$2.39
Vermont24.6¢$4.42
Virginia17.4¢$3.13
Washington14.4¢$2.58
West Virginia16.1¢$2.89
Wisconsin19.2¢$3.46
Wyoming14.7¢$2.64

Certified models closest in efficiency

computer monitors within reach of 18 kWh/yr
ModelkWh/yr$/yr (US avg)
ELO ET1504LS18$3.37
ASUS MB16FC18$3.36
HP 514pnmost efficient18$3.42
DELL P1425f18$3.35
ViewSonic VS2046518$3.45
EIZO FlexScan S1734most efficient18$3.33

Run your own numbers

Your rate, your numbers

Per day
1¢
Per month
$0.28
Per year
$3.39

18 kWh/yr × 18.8¢/kWh = $3.39/yr

Prefilled with this model's certified 18 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 VS19589 use?
ENERGY STAR certifies the ViewSonic VS19589 at 18 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 VS19589 cost to run per month?
About $0.28 a month at the U.S. average residential rate (18.8¢/kWh) — 1¢ a day, or $3.39 a year. Your state's rate moves this up or down; see the table above.
Is the ViewSonic VS19589 energy efficient?
It uses 60% less electricity than the median certified computer monitor, placing it in the top 10% of certified models.
What does the ViewSonic VS19589 cost to run in the cheapest vs. priciest state?
At current residential rates it costs about $2.22 a year in North Dakota (12.3¢/kWh) and $8.39 in Hawaii (46.6¢/kWh).

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