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Data through April 2026

Running cost · Computer Monitors · ENERGY STAR certified

BenQ MA270S-T

At the standardized usage ENERGY STAR assumes, the BenQ MA270S-T consumes 88 kWh a year — about $17 at the U.S. average electricity rate ($1.39 a month). Even among certified models it's on the thirsty end: 96% more electricity than the median computer monitor, ranked 1309 of 1482. The same unit costs $11 a year in North Dakota but $41 in Hawaii — electricity rates, not the appliance, make the difference.

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

$17/yr

$2.09 · cheapest certified computer monitors$76 · priciest
Per month
$1.39
Per day
Certified use
88 kWh/yr
Screen size
27 in
Panel
TFT LCD
On-mode power
28.4 W
Sleep-mode power
0.25 W
11 kWh403 kWh
Where the BenQ MA270S-T (▮) sits among all 1,482 certified computer monitors, by annual kWh

What it costs in every state

BenQ MA270S-T: 88 kWh/yr × each state's average residential rate (EIA)
StateRate ¢/kWhThis model $/yrRelative cost
Alabama17.4¢$15
Alaska27.4¢$24
Arizona15.5¢$14
Arkansas14.2¢$13
California35.3¢$31
Colorado16.5¢$15
Connecticut32.2¢$29
Delaware18.8¢$17
District of Columbia25.4¢$22
Florida15.4¢$14
Georgia15.4¢$14
Hawaiipriciest46.6¢$41
Idaho12.7¢$11
Illinois20.5¢$18
Indiana17.9¢$16
Iowa13.9¢$12
Kansas15.8¢$14
Kentucky15.0¢$13
Louisiana14.4¢$13
Maine28.4¢$25
Maryland22.1¢$20
Massachusetts29.4¢$26
Michigan21.4¢$19
Minnesota16.4¢$15
Mississippi16.8¢$15
Missouri14.0¢$12
Montana13.9¢$12
Nebraska13.3¢$12
Nevada14.3¢$13
New Hampshire27.2¢$24
New Jersey23.5¢$21
New Mexico15.2¢$13
New York29.4¢$26
North Carolina16.3¢$14
North Dakotacheapest12.3¢$11
Ohio19.5¢$17
Oklahoma13.3¢$12
Oregon15.8¢$14
Pennsylvania21.5¢$19
Rhode Island28.3¢$25
South Carolina17.1¢$15
South Dakota14.5¢$13
Tennessee14.9¢$13
Texas17.0¢$15
Utah13.3¢$12
Vermont24.6¢$22
Virginia17.4¢$15
Washington14.4¢$13
West Virginia16.1¢$14
Wisconsin19.2¢$17
Wyoming14.7¢$13

Certified models closest in efficiency

computer monitors within reach of 88 kWh/yr
ModelkWh/yr$/yr (US avg)
LG 28BQ78088$17
LG 28MQ78088$17
ViewSonic VS1999288$17
EIZO FlexScan EV389588$17
PHILIPS 346B188$17
MSI Modern MD342CQP89$17

Run your own numbers

Your rate, your numbers

Per day
Per month
$1.38
Per year
$17

88 kWh/yr × 18.8¢/kWh = $17/yr

Prefilled with this model's certified 88 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 BenQ MA270S-T use?
ENERGY STAR certifies the BenQ MA270S-T at 88 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 BenQ MA270S-T cost to run per month?
About $1.39 a month at the U.S. average residential rate (18.8¢/kWh) — 5¢ a day, or $17 a year. Your state's rate moves this up or down; see the table above.
Is the BenQ MA270S-T energy efficient?
It uses 96% more electricity than the median certified computer monitor, which puts it among the least efficient certified models.
What does the BenQ MA270S-T cost to run in the cheapest vs. priciest state?
At current residential rates it costs about $11 a year in North Dakota (12.3¢/kWh) and $41 in Hawaii (46.6¢/kWh).

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