WattCost

Data through April 2026

Running cost · Computer Monitors · ENERGY STAR certified

HP HP 324ph

The HP HP 324ph's certified consumption is 44 kWh per year, which prices out to about $8.20 at the national average rate — your hours of use scale that directly. That's close to the middle of the certified pack — about 3% under the median computer monitor, ranked 671 of 1482. Where you live moves the bill from $5.38 a year in North Dakota to $20 in Hawaii.

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

$8.20/yr

$2.09 · cheapest certified computer monitors$76 · priciest
Per month
$0.68
Per day
Certified use
44 kWh/yr
Screen size
23.8 in
Panel
IPS LCD
On-mode power
13.9 W
Sleep-mode power
0.16 W
11 kWh403 kWh
Where the HP HP 324ph (▮) sits among all 1,482 certified computer monitors, by annual kWh

What it costs in every state

HP HP 324ph: 44 kWh/yr × each state's average residential rate (EIA)
StateRate ¢/kWhThis model $/yrRelative cost
Alabama17.4¢$7.58
Alaska27.4¢$12
Arizona15.5¢$6.74
Arkansas14.2¢$6.16
California35.3¢$15
Colorado16.5¢$7.20
Connecticut32.2¢$14
Delaware18.8¢$8.18
District of Columbia25.4¢$11
Florida15.4¢$6.69
Georgia15.4¢$6.69
Hawaiipriciest46.6¢$20
Idaho12.7¢$5.53
Illinois20.5¢$8.91
Indiana17.9¢$7.79
Iowa13.9¢$6.03
Kansas15.8¢$6.87
Kentucky15.0¢$6.54
Louisiana14.4¢$6.29
Maine28.4¢$12
Maryland22.1¢$9.61
Massachusetts29.4¢$13
Michigan21.4¢$9.31
Minnesota16.4¢$7.13
Mississippi16.8¢$7.30
Missouri14.0¢$6.10
Montana13.9¢$6.05
Nebraska13.3¢$5.78
Nevada14.3¢$6.22
New Hampshire27.2¢$12
New Jersey23.5¢$10
New Mexico15.2¢$6.59
New York29.4¢$13
North Carolina16.3¢$7.07
North Dakotacheapest12.3¢$5.38
Ohio19.5¢$8.48
Oklahoma13.3¢$5.79
Oregon15.8¢$6.87
Pennsylvania21.5¢$9.35
Rhode Island28.3¢$12
South Carolina17.1¢$7.43
South Dakota14.5¢$6.32
Tennessee14.9¢$6.50
Texas17.0¢$7.40
Utah13.3¢$5.79
Vermont24.6¢$11
Virginia17.4¢$7.57
Washington14.4¢$6.25
West Virginia16.1¢$6.99
Wisconsin19.2¢$8.36
Wyoming14.7¢$6.39

Certified models closest in efficiency

computer monitors within reach of 44 kWh/yr
ModelkWh/yr$/yr (US avg)
Acer V247Y44$8.20
PHILIPS 27E2N1144$8.20
Lenovo D25270QP0most efficient44$8.19
LG 24BK550Y44$8.20
LG 24BK55YP44$8.20
LG 24BK55YT44$8.20

Run your own numbers

Your rate, your numbers

Per day
Per month
$0.69
Per year
$8.29

44 kWh/yr × 18.8¢/kWh = $8.29/yr

Prefilled with this model's certified 44 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 HP HP 324ph use?
ENERGY STAR certifies the HP HP 324ph at 44 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 HP HP 324ph cost to run per month?
About $0.68 a month at the U.S. average residential rate (18.8¢/kWh) — 2¢ a day, or $8.20 a year. Your state's rate moves this up or down; see the table above.
Is the HP HP 324ph energy efficient?
It uses 3% less electricity than the median certified computer monitor.
What does the HP HP 324ph cost to run in the cheapest vs. priciest state?
At current residential rates it costs about $5.38 a year in North Dakota (12.3¢/kWh) and $20 in Hawaii (46.6¢/kWh).

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