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Data through April 2026

Running cost · Computer Monitors · ENERGY STAR certified

Lenovo C20315UP0

The Lenovo C20315UP0's certified consumption is 84 kWh per year, which prices out to about $16 at the national average rate — your hours of use scale that directly. It sits near the bottom of the certified table — using 86% more than the median computer monitor (rank 1276 of 1482) — so the state you live in matters more than usual. The same unit costs $10 a year in North Dakota but $39 in Hawaii — electricity rates, not the appliance, make the difference.

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

$16/yr

$2.09 · cheapest certified computer monitors$76 · priciest
Per month
$1.31
Per day
Certified use
84 kWh/yr
Screen size
31.5 in
Panel
IPS LCD
On-mode power
26.51 W
Sleep-mode power
0.44 W
11 kWh403 kWh
Where the Lenovo C20315UP0 (▮) sits among all 1,482 certified computer monitors, by annual kWh

What it costs in every state

Lenovo C20315UP0: 84 kWh/yr × each state's average residential rate (EIA)
StateRate ¢/kWhThis model $/yrRelative cost
Alabama17.4¢$15
Alaska27.4¢$23
Arizona15.5¢$13
Arkansas14.2¢$12
California35.3¢$30
Colorado16.5¢$14
Connecticut32.2¢$27
Delaware18.8¢$16
District of Columbia25.4¢$21
Florida15.4¢$13
Georgia15.4¢$13
Hawaiipriciest46.6¢$39
Idaho12.7¢$11
Illinois20.5¢$17
Indiana17.9¢$15
Iowa13.9¢$12
Kansas15.8¢$13
Kentucky15.0¢$13
Louisiana14.4¢$12
Maine28.4¢$24
Maryland22.1¢$18
Massachusetts29.4¢$25
Michigan21.4¢$18
Minnesota16.4¢$14
Mississippi16.8¢$14
Missouri14.0¢$12
Montana13.9¢$12
Nebraska13.3¢$11
Nevada14.3¢$12
New Hampshire27.2¢$23
New Jersey23.5¢$20
New Mexico15.2¢$13
New York29.4¢$25
North Carolina16.3¢$14
North Dakotacheapest12.3¢$10
Ohio19.5¢$16
Oklahoma13.3¢$11
Oregon15.8¢$13
Pennsylvania21.5¢$18
Rhode Island28.3¢$24
South Carolina17.1¢$14
South Dakota14.5¢$12
Tennessee14.9¢$13
Texas17.0¢$14
Utah13.3¢$11
Vermont24.6¢$21
Virginia17.4¢$15
Washington14.4¢$12
West Virginia16.1¢$13
Wisconsin19.2¢$16
Wyoming14.7¢$12

Certified models closest in efficiency

computer monitors within reach of 84 kWh/yr
ModelkWh/yr$/yr (US avg)
HP E32k G584$16
ViewSonic VS1921684$16
PHILIPS 27E2F7984$16
HP HP 727pk84$16
PHILIPS 27E1N890084$16
Samsung S27A800UNN84$16

Run your own numbers

Your rate, your numbers

Per day
Per month
$1.32
Per year
$16

84 kWh/yr × 18.8¢/kWh = $16/yr

Prefilled with this model's certified 84 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 Lenovo C20315UP0 use?
ENERGY STAR certifies the Lenovo C20315UP0 at 84 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 Lenovo C20315UP0 cost to run per month?
About $1.31 a month at the U.S. average residential rate (18.8¢/kWh) — 4¢ a day, or $16 a year. Your state's rate moves this up or down; see the table above.
Is the Lenovo C20315UP0 energy efficient?
It uses 86% more electricity than the median certified computer monitor, which puts it among the least efficient certified models.
What does the Lenovo C20315UP0 cost to run in the cheapest vs. priciest state?
At current residential rates it costs about $10 a year in North Dakota (12.3¢/kWh) and $39 in Hawaii (46.6¢/kWh).

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