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Data through June 2026

Running cost · Computer Monitors · ENERGY STAR certified

PHILIPS 34B2U5900C

At the standardized usage ENERGY STAR assumes, the PHILIPS 34B2U5900C consumes 122 kWh a year — about $22 at the U.S. average electricity rate ($1.87 a month). It sits near the bottom of the certified table — using 172% more than the median computer monitor (rank 1489 of 1530) — so the state you live in matters more than usual. Where you live moves the bill from $16 a year in Nevada to $65 in Hawaii.

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

$22/yr

$2.04 · cheapest certified computer monitors$74 · priciest
Per month
$1.87
Per day
6¢
Certified use
122 kWh/yr
Screen size
34 in
Panel
TFT LCD
On-mode power
37.35 W
Sleep-mode power
1.4 W
11 kWh403 kWh
Where the PHILIPS 34B2U5900C (▮) sits among all 1,530 certified computer monitors, by annual kWh

What it costs in every state

PHILIPS 34B2U5900C: 122 kWh/yr × each state's average residential rate (EIA)
StateRate ¢/kWhThis model $/yrRelative cost
Alabama16.4¢$20
Alaska28.2¢$35
Arizona15.2¢$19
Arkansas14.1¢$17
California34.7¢$43
Colorado17.1¢$21
Connecticut24.3¢$30
Delaware19.3¢$24
District of Columbia24.4¢$30
Florida15.1¢$18
Georgia16.4¢$20
Hawaiipriciest52.7¢$65
Idaho14.4¢$18
Illinois19.9¢$24
Indiana17.5¢$21
Iowa15.9¢$20
Kansas15.7¢$19
Kentucky14.3¢$17
Louisiana13.5¢$17
Maine29.6¢$36
Maryland21.8¢$27
Massachusetts29.6¢$36
Michigan23.0¢$28
Minnesota17.5¢$21
Mississippi14.9¢$18
Missouri16.2¢$20
Montana15.1¢$19
Nebraska13.3¢$16
Nevadacheapest13.1¢$16
New Hampshire27.0¢$33
New Jersey24.9¢$31
New Mexico15.1¢$18
New York29.5¢$36
North Carolina14.7¢$18
North Dakota14.1¢$17
Ohio19.2¢$24
Oklahoma14.3¢$18
Oregon16.3¢$20
Pennsylvania21.7¢$27
Rhode Island29.2¢$36
South Carolina15.6¢$19
South Dakota15.4¢$19
Tennessee14.1¢$17
Texas15.9¢$20
Utah13.4¢$16
Vermont24.4¢$30
Virginia17.2¢$21
Washington14.9¢$18
West Virginia15.4¢$19
Wisconsin19.6¢$24
Wyoming15.2¢$19

Certified models closest in efficiency

computer monitors within reach of 122 kWh/yr
ModelkWh/yr$/yr (US avg)
HP OMEN TRANSCEND 32123$23
PHILIPS 328P6V124$23
LG 38BR85QC125$23
LG 38WR85QC125$23
Acer PE320QK119$22
PHILIPS 40B1U56119$22

Run your own numbers

Your rate, your numbers

Per day
6¢
Per month
$1.86
Per year
$22

122 kWh/yr × 18.3¢/kWh = $22/yr

Prefilled with this model's certified 122 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 PHILIPS 34B2U5900C use?
ENERGY STAR certifies the PHILIPS 34B2U5900C at 122 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 PHILIPS 34B2U5900C cost to run per month?
About $1.87 a month at the U.S. average residential rate (18.3¢/kWh) — 6¢ a day, or $22 a year. Your state's rate moves this up or down; see the table above.
Is the PHILIPS 34B2U5900C energy efficient?
It uses 172% more electricity than the median certified computer monitor, which puts it among the least efficient certified models.
What does the PHILIPS 34B2U5900C cost to run in the cheapest vs. priciest state?
At current residential rates it costs about $16 a year in Nevada (13.1¢/kWh) and $65 in Hawaii (52.7¢/kWh).

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