WattCost

Data through April 2026

Running cost · Computer Monitors · ENERGY STAR certified

DELL E2020Hb

The DELL E2020Hb's certified consumption is 27 kWh per year, which prices out to about $5.01 at the national average rate — your hours of use scale that directly. That puts it in the most efficient tenth of every certified computer monitor — 41% less electricity than the median, ranked 76 of 1482. Where you live moves the bill from $3.29 a year in North Dakota to $12 in Hawaii.

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

$5.01/yr

$2.09 · cheapest certified computer monitors$76 · priciest
Per month
$0.42
Per day
Certified use
27 kWh/yr
Screen size
19.5 in
Panel
TN LCD
On-mode power
8.4 W
Sleep-mode power
0.1 W
11 kWh403 kWh
Where the DELL E2020Hb (▮) sits among all 1,482 certified computer monitors, by annual kWh

What it costs in every state

DELL E2020Hb: 27 kWh/yr × each state's average residential rate (EIA)
StateRate ¢/kWhThis model $/yrRelative cost
Alabama17.4¢$4.63
Alaska27.4¢$7.28
Arizona15.5¢$4.12
Arkansas14.2¢$3.77
California35.3¢$9.38
Colorado16.5¢$4.40
Connecticut32.2¢$8.58
Delaware18.8¢$5.00
District of Columbia25.4¢$6.76
Florida15.4¢$4.09
Georgia15.4¢$4.09
Hawaiipriciest46.6¢$12
Idaho12.7¢$3.38
Illinois20.5¢$5.45
Indiana17.9¢$4.76
Iowa13.9¢$3.69
Kansas15.8¢$4.20
Kentucky15.0¢$4.00
Louisiana14.4¢$3.84
Maine28.4¢$7.56
Maryland22.1¢$5.87
Massachusetts29.4¢$7.83
Michigan21.4¢$5.69
Minnesota16.4¢$4.36
Mississippi16.8¢$4.46
Missouri14.0¢$3.73
Montana13.9¢$3.70
Nebraska13.3¢$3.53
Nevada14.3¢$3.80
New Hampshire27.2¢$7.25
New Jersey23.5¢$6.26
New Mexico15.2¢$4.03
New York29.4¢$7.83
North Carolina16.3¢$4.32
North Dakotacheapest12.3¢$3.29
Ohio19.5¢$5.18
Oklahoma13.3¢$3.54
Oregon15.8¢$4.20
Pennsylvania21.5¢$5.71
Rhode Island28.3¢$7.53
South Carolina17.1¢$4.54
South Dakota14.5¢$3.86
Tennessee14.9¢$3.97
Texas17.0¢$4.52
Utah13.3¢$3.54
Vermont24.6¢$6.53
Virginia17.4¢$4.62
Washington14.4¢$3.82
West Virginia16.1¢$4.27
Wisconsin19.2¢$5.11
Wyoming14.7¢$3.90

Certified models closest in efficiency

computer monitors within reach of 27 kWh/yr
ModelkWh/yr$/yr (US avg)
ASUS PA14827$5.01
PHILIPS 16B1P3327$5.01
ELO ET1502L27$5.02
Acer V176L27$5.03
Toshiba 6150-P1526$4.90
ASUS MB169CK26$4.89

Run your own numbers

Your rate, your numbers

Per day
Per month
$0.42
Per year
$5.08

27 kWh/yr × 18.8¢/kWh = $5.08/yr

Prefilled with this model's certified 27 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 DELL E2020Hb use?
ENERGY STAR certifies the DELL E2020Hb at 27 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 DELL E2020Hb cost to run per month?
About $0.42 a month at the U.S. average residential rate (18.8¢/kWh) — 1¢ a day, or $5.01 a year. Your state's rate moves this up or down; see the table above.
Is the DELL E2020Hb energy efficient?
It uses 41% less electricity than the median certified computer monitor, placing it in the top 10% of certified models.
What does the DELL E2020Hb cost to run in the cheapest vs. priciest state?
At current residential rates it costs about $3.29 a year in North Dakota (12.3¢/kWh) and $12 in Hawaii (46.6¢/kWh).

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