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Data through April 2026

Running cost · Computer Monitors · ENERGY STAR certified

Sharp DD-EA242W

At the standardized usage ENERGY STAR assumes, the Sharp DD-EA242W consumes 42 kWh a year — about $8.00 at the U.S. average electricity rate ($0.67 a month). Efficiency-wise it's unremarkable in a good way: within 6% of the median certified computer monitor (rank 613 of 1482). Where you live moves the bill from $5.24 a year in North Dakota to $20 in Hawaii.

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

$8.00/yr

$2.09 · cheapest certified computer monitors$76 · priciest
Per month
$0.67
Per day
Certified use
42 kWh/yr
Screen size
24.1 in
Panel
IPS LCD
On-mode power
13.31 W
Sleep-mode power
0.29 W
11 kWh403 kWh
Where the Sharp DD-EA242W (▮) sits among all 1,482 certified computer monitors, by annual kWh

What it costs in every state

Sharp DD-EA242W: 42 kWh/yr × each state's average residential rate (EIA)
StateRate ¢/kWhThis model $/yrRelative cost
Alabama17.4¢$7.39
Alaska27.4¢$12
Arizona15.5¢$6.57
Arkansas14.2¢$6.01
California35.3¢$15
Colorado16.5¢$7.02
Connecticut32.2¢$14
Delaware18.8¢$7.98
District of Columbia25.4¢$11
Florida15.4¢$6.53
Georgia15.4¢$6.53
Hawaiipriciest46.6¢$20
Idaho12.7¢$5.39
Illinois20.5¢$8.69
Indiana17.9¢$7.60
Iowa13.9¢$5.88
Kansas15.8¢$6.70
Kentucky15.0¢$6.38
Louisiana14.4¢$6.13
Maine28.4¢$12
Maryland22.1¢$9.37
Massachusetts29.4¢$13
Michigan21.4¢$9.08
Minnesota16.4¢$6.96
Mississippi16.8¢$7.12
Missouri14.0¢$5.95
Montana13.9¢$5.90
Nebraska13.3¢$5.64
Nevada14.3¢$6.07
New Hampshire27.2¢$12
New Jersey23.5¢$9.99
New Mexico15.2¢$6.43
New York29.4¢$13
North Carolina16.3¢$6.90
North Dakotacheapest12.3¢$5.24
Ohio19.5¢$8.28
Oklahoma13.3¢$5.65
Oregon15.8¢$6.70
Pennsylvania21.5¢$9.12
Rhode Island28.3¢$12
South Carolina17.1¢$7.24
South Dakota14.5¢$6.17
Tennessee14.9¢$6.34
Texas17.0¢$7.21
Utah13.3¢$5.64
Vermont24.6¢$10
Virginia17.4¢$7.38
Washington14.4¢$6.10
West Virginia16.1¢$6.82
Wisconsin19.2¢$8.16
Wyoming14.7¢$6.23

Certified models closest in efficiency

computer monitors within reach of 42 kWh/yr
ModelkWh/yr$/yr (US avg)
ViewSonic VS1852242$8.00
Acer EB247YD42$8.00
PHILIPS 223S7E42$8.00
ViewSonic VS1808642$7.99
PHILIPS 222S9JML42$8.00
ASUS VY279HGR43$8.00

Run your own numbers

Your rate, your numbers

Per day
Per month
$0.66
Per year
$7.91

42 kWh/yr × 18.8¢/kWh = $7.91/yr

Prefilled with this model's certified 42 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 Sharp DD-EA242W use?
ENERGY STAR certifies the Sharp DD-EA242W at 42 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 Sharp DD-EA242W cost to run per month?
About $0.67 a month at the U.S. average residential rate (18.8¢/kWh) — 2¢ a day, or $8.00 a year. Your state's rate moves this up or down; see the table above.
Is the Sharp DD-EA242W energy efficient?
It uses 6% less electricity than the median certified computer monitor.
What does the Sharp DD-EA242W cost to run in the cheapest vs. priciest state?
At current residential rates it costs about $5.24 a year in North Dakota (12.3¢/kWh) and $20 in Hawaii (46.6¢/kWh).

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