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Data through April 2026

Running cost · Computer Monitors · ENERGY STAR certified

DELL S3425DWc

The DELL S3425DWc's certified consumption is 102 kWh per year, which prices out to about $19 at the national average rate — your hours of use scale that directly. It sits near the bottom of the certified table — using 127% more than the median computer monitor (rank 1406 of 1482) — so the state you live in matters more than usual. Where you live moves the bill from $13 a year in North Dakota to $48 in Hawaii.

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

$19/yr

$2.09 · cheapest certified computer monitors$76 · priciest
Per month
$1.61
Per day
Certified use
102 kWh/yr
Screen size
34 in
Panel
TFT LCD
On-mode power
33 W
Sleep-mode power
0.2 W
11 kWh403 kWh
Where the DELL S3425DWc (▮) sits among all 1,482 certified computer monitors, by annual kWh

What it costs in every state

DELL S3425DWc: 102 kWh/yr × each state's average residential rate (EIA)
StateRate ¢/kWhThis model $/yrRelative cost
Alabama17.4¢$18
Alaska27.4¢$28
Arizona15.5¢$16
Arkansas14.2¢$14
California35.3¢$36
Colorado16.5¢$17
Connecticut32.2¢$33
Delaware18.8¢$19
District of Columbia25.4¢$26
Florida15.4¢$16
Georgia15.4¢$16
Hawaiipriciest46.6¢$48
Idaho12.7¢$13
Illinois20.5¢$21
Indiana17.9¢$18
Iowa13.9¢$14
Kansas15.8¢$16
Kentucky15.0¢$15
Louisiana14.4¢$15
Maine28.4¢$29
Maryland22.1¢$23
Massachusetts29.4¢$30
Michigan21.4¢$22
Minnesota16.4¢$17
Mississippi16.8¢$17
Missouri14.0¢$14
Montana13.9¢$14
Nebraska13.3¢$14
Nevada14.3¢$15
New Hampshire27.2¢$28
New Jersey23.5¢$24
New Mexico15.2¢$16
New York29.4¢$30
North Carolina16.3¢$17
North Dakotacheapest12.3¢$13
Ohio19.5¢$20
Oklahoma13.3¢$14
Oregon15.8¢$16
Pennsylvania21.5¢$22
Rhode Island28.3¢$29
South Carolina17.1¢$17
South Dakota14.5¢$15
Tennessee14.9¢$15
Texas17.0¢$17
Utah13.3¢$14
Vermont24.6¢$25
Virginia17.4¢$18
Washington14.4¢$15
West Virginia16.1¢$16
Wisconsin19.2¢$20
Wyoming14.7¢$15

Certified models closest in efficiency

computer monitors within reach of 102 kWh/yr
ModelkWh/yr$/yr (US avg)
Lenovo C23315UP0102$19
DELL U3226Qb103$19
Acer PE270XT102$19
AOC CU34E4CV103$19
Samsung S37D800UAN101$19
PHILIPS 279P1B103$19

Run your own numbers

Your rate, your numbers

Per day
Per month
$1.60
Per year
$19

102 kWh/yr × 18.8¢/kWh = $19/yr

Prefilled with this model's certified 102 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 S3425DWc use?
ENERGY STAR certifies the DELL S3425DWc at 102 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 S3425DWc cost to run per month?
About $1.61 a month at the U.S. average residential rate (18.8¢/kWh) — 5¢ a day, or $19 a year. Your state's rate moves this up or down; see the table above.
Is the DELL S3425DWc energy efficient?
It uses 127% more electricity than the median certified computer monitor, which puts it among the least efficient certified models.
What does the DELL S3425DWc cost to run in the cheapest vs. priciest state?
At current residential rates it costs about $13 a year in North Dakota (12.3¢/kWh) and $48 in Hawaii (46.6¢/kWh).

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