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Data through April 2026

Running cost · Computer Monitors · ENERGY STAR certified

V7 L270QC-HAS-N

At the standardized usage ENERGY STAR assumes, the V7 L270QC-HAS-N consumes 51 kWh a year — about $9.65 at the U.S. average electricity rate ($0.80 a month). That's close to the middle of the certified pack — about 14% above the median computer monitor, ranked 919 of 1482. Where you live moves the bill from $6.33 a year in North Dakota to $24 in Hawaii.

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

$9.65/yr

$2.09 · cheapest certified computer monitors$76 · priciest
Per month
$0.80
Per day
Certified use
51 kWh/yr
Screen size
27 in
Panel
IPS LCD
On-mode power
16.06 W
Sleep-mode power
0.35 W
11 kWh403 kWh
Where the V7 L270QC-HAS-N (▮) sits among all 1,482 certified computer monitors, by annual kWh

What it costs in every state

V7 L270QC-HAS-N: 51 kWh/yr × each state's average residential rate (EIA)
StateRate ¢/kWhThis model $/yrRelative cost
Alabama17.4¢$8.92
Alaska27.4¢$14
Arizona15.5¢$7.93
Arkansas14.2¢$7.25
California35.3¢$18
Colorado16.5¢$8.47
Connecticut32.2¢$17
Delaware18.8¢$9.63
District of Columbia25.4¢$13
Florida15.4¢$7.88
Georgia15.4¢$7.87
Hawaiipriciest46.6¢$24
Idaho12.7¢$6.51
Illinois20.5¢$10
Indiana17.9¢$9.17
Iowa13.9¢$7.10
Kansas15.8¢$8.08
Kentucky15.0¢$7.69
Louisiana14.4¢$7.40
Maine28.4¢$15
Maryland22.1¢$11
Massachusetts29.4¢$15
Michigan21.4¢$11
Minnesota16.4¢$8.40
Mississippi16.8¢$8.59
Missouri14.0¢$7.18
Montana13.9¢$7.12
Nebraska13.3¢$6.80
Nevada14.3¢$7.32
New Hampshire27.2¢$14
New Jersey23.5¢$12
New Mexico15.2¢$7.76
New York29.4¢$15
North Carolina16.3¢$8.32
North Dakotacheapest12.3¢$6.33
Ohio19.5¢$9.98
Oklahoma13.3¢$6.82
Oregon15.8¢$8.08
Pennsylvania21.5¢$11
Rhode Island28.3¢$14
South Carolina17.1¢$8.74
South Dakota14.5¢$7.44
Tennessee14.9¢$7.65
Texas17.0¢$8.70
Utah13.3¢$6.81
Vermont24.6¢$13
Virginia17.4¢$8.90
Washington14.4¢$7.36
West Virginia16.1¢$8.23
Wisconsin19.2¢$9.84
Wyoming14.7¢$7.52

Certified models closest in efficiency

computer monitors within reach of 51 kWh/yr
ModelkWh/yr$/yr (US avg)
BenQ GW2785-B51$9.65
EIZO FlexScan EV3451Xmost efficient51$9.65
HP 327pb51$9.64
HP E24m G451$9.64
Lenovo A25238FT351$9.67
Lenovo D19270QP051$9.67

Run your own numbers

Your rate, your numbers

Per day
Per month
$0.80
Per year
$9.60

51 kWh/yr × 18.8¢/kWh = $9.60/yr

Prefilled with this model's certified 51 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 V7 L270QC-HAS-N use?
ENERGY STAR certifies the V7 L270QC-HAS-N at 51 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 V7 L270QC-HAS-N cost to run per month?
About $0.80 a month at the U.S. average residential rate (18.8¢/kWh) — 3¢ a day, or $9.65 a year. Your state's rate moves this up or down; see the table above.
Is the V7 L270QC-HAS-N energy efficient?
It uses 14% more electricity than the median certified computer monitor.
What does the V7 L270QC-HAS-N cost to run in the cheapest vs. priciest state?
At current residential rates it costs about $6.33 a year in North Dakota (12.3¢/kWh) and $24 in Hawaii (46.6¢/kWh).

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