WattCost

Data through April 2026

Running cost · Computer Monitors · ENERGY STAR certified

DELL E2225HMt

The DELL E2225HMt's certified consumption is 33 kWh per year, which prices out to about $6.18 at the national average rate — your hours of use scale that directly. That's 27% less than the median certified computer monitor, placing it comfortably in the efficient third of the field (171 of 1482). Where you live moves the bill from $4.05 a year in North Dakota to $15 in Hawaii.

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

$6.18/yr

$2.09 · cheapest certified computer monitors$76 · priciest
Per month
$0.51
Per day
Certified use
33 kWh/yr
Screen size
21.5 in
Panel
VA LCD
On-mode power
10.14 W
Sleep-mode power
0.3 W
11 kWh403 kWh
Where the DELL E2225HMt (▮) sits among all 1,482 certified computer monitors, by annual kWh

What it costs in every state

DELL E2225HMt: 33 kWh/yr × each state's average residential rate (EIA)
StateRate ¢/kWhThis model $/yrRelative cost
Alabama17.4¢$5.71
Alaska27.4¢$8.97
Arizona15.5¢$5.08
Arkansas14.2¢$4.64
California35.3¢$12
Colorado16.5¢$5.43
Connecticut32.2¢$11
Delaware18.8¢$6.16
District of Columbia25.4¢$8.33
Florida15.4¢$5.04
Georgia15.4¢$5.04
Hawaiipriciest46.6¢$15
Idaho12.7¢$4.17
Illinois20.5¢$6.71
Indiana17.9¢$5.87
Iowa13.9¢$4.55
Kansas15.8¢$5.18
Kentucky15.0¢$4.93
Louisiana14.4¢$4.74
Maine28.4¢$9.32
Maryland22.1¢$7.24
Massachusetts29.4¢$9.66
Michigan21.4¢$7.02
Minnesota16.4¢$5.38
Mississippi16.8¢$5.50
Missouri14.0¢$4.60
Montana13.9¢$4.56
Nebraska13.3¢$4.36
Nevada14.3¢$4.69
New Hampshire27.2¢$8.93
New Jersey23.5¢$7.72
New Mexico15.2¢$4.97
New York29.4¢$9.66
North Carolina16.3¢$5.33
North Dakotacheapest12.3¢$4.05
Ohio19.5¢$6.39
Oklahoma13.3¢$4.37
Oregon15.8¢$5.18
Pennsylvania21.5¢$7.04
Rhode Island28.3¢$9.28
South Carolina17.1¢$5.60
South Dakota14.5¢$4.76
Tennessee14.9¢$4.90
Texas17.0¢$5.57
Utah13.3¢$4.36
Vermont24.6¢$8.06
Virginia17.4¢$5.70
Washington14.4¢$4.71
West Virginia16.1¢$5.27
Wisconsin19.2¢$6.30
Wyoming14.7¢$4.82

Certified models closest in efficiency

computer monitors within reach of 33 kWh/yr
ModelkWh/yr$/yr (US avg)
ViewSonic VS1752833$6.18
BenQ GW2490C-B33$6.16
Acer EK221Q33$6.16
AOC 195LM0000333$6.16
AOpen 22CV1Q33$6.16
XITRIX XPN-WFPV241333$6.15

Run your own numbers

Your rate, your numbers

Per day
Per month
$0.52
Per year
$6.21

33 kWh/yr × 18.8¢/kWh = $6.21/yr

Prefilled with this model's certified 33 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 E2225HMt use?
ENERGY STAR certifies the DELL E2225HMt at 33 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 E2225HMt cost to run per month?
About $0.51 a month at the U.S. average residential rate (18.8¢/kWh) — 2¢ a day, or $6.18 a year. Your state's rate moves this up or down; see the table above.
Is the DELL E2225HMt energy efficient?
It uses 27% less electricity than the median certified computer monitor, placing it in the efficient third of certified models.
What does the DELL E2225HMt cost to run in the cheapest vs. priciest state?
At current residential rates it costs about $4.05 a year in North Dakota (12.3¢/kWh) and $15 in Hawaii (46.6¢/kWh).

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