WattCost

Data through June 2026

Running cost · Computer Monitors · ENERGY STAR certified

SiComputer Scena NC27

The SiComputer Scena NC27's certified consumption is 39 kWh per year, which prices out to about $7.11 at the national average rate — your hours of use scale that directly. Compared with the median certified computer monitor, it uses 14% less electricity — rank 435 out of 1530. The same unit costs $5.08 a year in Nevada but $20 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

$7.11/yr

$2.04 · cheapest certified computer monitors$74 · priciest
Per month
$0.59
Per day
2¢
Certified use
39 kWh/yr
Screen size
26.9 in
Panel
IPS LCD
On-mode power
12.08 W
Sleep-mode power
0.3 W
11 kWh403 kWh
Where the SiComputer Scena NC27 (▮) sits among all 1,530 certified computer monitors, by annual kWh

What it costs in every state

SiComputer Scena NC27: 39 kWh/yr × each state's average residential rate (EIA)
StateRate ¢/kWhThis model $/yrRelative cost
Alabama16.4¢$6.36
Alaska28.2¢$11
Arizona15.2¢$5.88
Arkansas14.1¢$5.47
California34.7¢$13
Colorado17.1¢$6.64
Connecticut24.3¢$9.42
Delaware19.3¢$7.47
District of Columbia24.4¢$9.45
Florida15.1¢$5.85
Georgia16.4¢$6.34
Hawaiipriciest52.7¢$20
Idaho14.4¢$5.57
Illinois19.9¢$7.71
Indiana17.5¢$6.79
Iowa15.9¢$6.17
Kansas15.7¢$6.09
Kentucky14.3¢$5.53
Louisiana13.5¢$5.23
Maine29.6¢$11
Maryland21.8¢$8.46
Massachusetts29.6¢$11
Michigan23.0¢$8.91
Minnesota17.5¢$6.79
Mississippi14.9¢$5.77
Missouri16.2¢$6.29
Montana15.1¢$5.87
Nebraska13.3¢$5.13
Nevadacheapest13.1¢$5.08
New Hampshire27.0¢$10
New Jersey24.9¢$9.67
New Mexico15.1¢$5.84
New York29.5¢$11
North Carolina14.7¢$5.71
North Dakota14.1¢$5.47
Ohio19.2¢$7.44
Oklahoma14.3¢$5.55
Oregon16.3¢$6.32
Pennsylvania21.7¢$8.42
Rhode Island29.2¢$11
South Carolina15.6¢$6.03
South Dakota15.4¢$5.95
Tennessee14.1¢$5.45
Texas15.9¢$6.18
Utah13.4¢$5.18
Vermont24.4¢$9.47
Virginia17.2¢$6.67
Washington14.9¢$5.78
West Virginia15.4¢$5.99
Wisconsin19.6¢$7.58
Wyoming15.2¢$5.91

Certified models closest in efficiency

computer monitors within reach of 39 kWh/yr
ModelkWh/yr$/yr (US avg)
Acer V227Q39$7.11
AOpen 22CL1Q39$7.11
ViewSonic VS1971339$7.10
Acer V226HQL39$7.10
Acer V226HQL B39$7.10
DELL E2425HMf39$7.12

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 SiComputer Scena NC27 use?
ENERGY STAR certifies the SiComputer Scena NC27 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 SiComputer Scena NC27 cost to run per month?
About $0.59 a month at the U.S. average residential rate (18.3¢/kWh) — 2¢ a day, or $7.11 a year. Your state's rate moves this up or down; see the table above.
Is the SiComputer Scena NC27 energy efficient?
It uses 14% less electricity than the median certified computer monitor, placing it in the efficient third of certified models. It also meets ENERGY STAR's Most Efficient criteria.
What does the SiComputer Scena NC27 cost to run in the cheapest vs. priciest state?
At current residential rates it costs about $5.08 a year in Nevada (13.1¢/kWh) and $20 in Hawaii (52.7¢/kWh).

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