WattCost

Data through June 2026

Running cost · Computer Monitors · ENERGY STAR certified

DELL E2226Ht

At the standardized usage ENERGY STAR assumes, the DELL E2226Ht consumes 31 kWh a year — about $5.64 at the U.S. average electricity rate ($0.47 a month). Only a handful of certified computer monitors do better: it ranks 126 of 1530 and undercuts the median by 32%. The same unit costs $4.03 a year in Nevada but $16 in Hawaii — electricity rates, not the appliance, make the difference. It also meets ENERGY STAR's stricter “Most Efficient” criteria.

Estimated annual running cost · U.S. average rate 18.3¢/kWh

$5.64/yr

$2.04 · cheapest certified computer monitors$74 · priciest
Per month
$0.47
Per day
2¢
Certified use
31 kWh/yr
Screen size
21.5 in
Panel
IPS LCD
On-mode power
9.81 W
Sleep-mode power
0.12 W
11 kWh403 kWh
Where the DELL E2226Ht (▮) sits among all 1,530 certified computer monitors, by annual kWh

What it costs in every state

DELL E2226Ht: 31 kWh/yr × each state's average residential rate (EIA)
StateRate ¢/kWhThis model $/yrRelative cost
Alabama16.4¢$5.04
Alaska28.2¢$8.68
Arizona15.2¢$4.67
Arkansas14.1¢$4.34
California34.7¢$11
Colorado17.1¢$5.27
Connecticut24.3¢$7.48
Delaware19.3¢$5.93
District of Columbia24.4¢$7.50
Florida15.1¢$4.64
Georgia16.4¢$5.03
Hawaiipriciest52.7¢$16
Idaho14.4¢$4.42
Illinois19.9¢$6.12
Indiana17.5¢$5.39
Iowa15.9¢$4.90
Kansas15.7¢$4.83
Kentucky14.3¢$4.39
Louisiana13.5¢$4.15
Maine29.6¢$9.10
Maryland21.8¢$6.72
Massachusetts29.6¢$9.11
Michigan23.0¢$7.07
Minnesota17.5¢$5.39
Mississippi14.9¢$4.58
Missouri16.2¢$4.99
Montana15.1¢$4.66
Nebraska13.3¢$4.08
Nevadacheapest13.1¢$4.03
New Hampshire27.0¢$8.31
New Jersey24.9¢$7.67
New Mexico15.1¢$4.63
New York29.5¢$9.07
North Carolina14.7¢$4.53
North Dakota14.1¢$4.34
Ohio19.2¢$5.90
Oklahoma14.3¢$4.41
Oregon16.3¢$5.02
Pennsylvania21.7¢$6.68
Rhode Island29.2¢$8.99
South Carolina15.6¢$4.78
South Dakota15.4¢$4.72
Tennessee14.1¢$4.33
Texas15.9¢$4.90
Utah13.4¢$4.11
Vermont24.4¢$7.52
Virginia17.2¢$5.30
Washington14.9¢$4.59
West Virginia15.4¢$4.75
Wisconsin19.6¢$6.02
Wyoming15.2¢$4.69

Certified models closest in efficiency

computer monitors within reach of 31 kWh/yr
ModelkWh/yr$/yr (US avg)
Samsung S24HG320ENmost efficient31$5.64
ASUS VA24DQFmost efficient31$5.65
DELL P2226Hbmost efficient31$5.63
Acer B247Ymost efficient31$5.67
BenQ GW2790C-Bmost efficient31$5.67
MSI PRO MP2412W31$5.62

Run your own numbers

Your rate, your numbers

Per day
2¢
Per month
$0.47
Per year
$5.69

31 kWh/yr × 18.3¢/kWh = $5.69/yr

Prefilled with this model's certified 31 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 E2226Ht use?
ENERGY STAR certifies the DELL E2226Ht at 31 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 E2226Ht cost to run per month?
About $0.47 a month at the U.S. average residential rate (18.3¢/kWh) — 2¢ a day, or $5.64 a year. Your state's rate moves this up or down; see the table above.
Is the DELL E2226Ht energy efficient?
It uses 32% less electricity than the median certified computer monitor, placing it in the top 10% of certified models. It also meets ENERGY STAR's Most Efficient criteria.
What does the DELL E2226Ht cost to run in the cheapest vs. priciest state?
At current residential rates it costs about $4.03 a year in Nevada (13.1¢/kWh) and $16 in Hawaii (52.7¢/kWh).

Keep digging