General discussion


Windows power settings: save a few bucks with a simple change

By robo_dev ·
Windows has a stupid setting... in most cases the screen saver time is set to around 10 minutes, but the monitor-power-off time is set to 20 minutes.

DUH! therefore the monitor stays on, displaying the nice pretty screen saver all day and night.

Does this cost you money? You betcha.

For example, my NEC flat panel draws 36watts when 'on' and only two watts when in 'standby' (orange light).

Let's do the math:

with the screensaver set longer than the power save mode, PC sitting idle for 22 hours a day:

36 watts = 792w/h/d (watts/hour/per 22hrs day)
total 289,080 w/h/y x $.15 cost per KWH
cost approx $44 per year

Now with the power save longer than the screensaver

2Watts = 44w/h/d
total 16,060 w/h/y (watts/hour/year)
cost $2.40 per year

Therefore you save approx $42 annually if you adjust those settings and leave your PC on all the time. You save $44 a year if you just shut off your monitor.

Note that most old-school CRT monitors draw 85-90W when on, and around 5-15W on standby.

Therefore the savings for a typical CRT would be around $80-90 per year.

The CRT generates three times the heat, which may be a good or bad thing, depending on the season.

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So true..

Not only you save money, you also help the enviroment. Power-saving is a must do these days.
You can also do the same with the HDD.


World IT Pros

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be careful with HDD one, I'm pretty sure it baddly hurts HDD life

by Slayer_ In reply to So true..

My HDD's usually last 14+ years :).

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Microsoft should go further with this but don't

by vbgeezer In reply to Windows power settings: s ...

There is no built in way of working effectively with different power profiles in the Windows operating system. Microsoft only offers one power profile in Windows XP and two (battery and plugged in) in Windows Vista. There are no PC power management options that allow a user to define power profiles based on time and day. This would make sense as the requirements should be different at night when you are less likely to be working.
A user who needs to access the computer system quickly at work does not necessarily want to use a energy saving power profile that shuts down the computer monitor, hard drives or even hibernates. The situation might be different at home for the same user where time is normally not a pressing matter.
Enter PowerSlave a PC power management software utility for the Windows XP and Windows Vista operating system. PowerSlave allows a user to create a day time and night time plan for the computer system. These two plans can be configured individually with power schemes that are taken directly from the operating system.
The PC power management software can be configured to run any of the available power schemes in the configured time period which makes it dead easy to set different power plans for day and night use.

PowerSlave is FREE for personal use, charities and schools whilst businesses will quickly recover the modest $7 per user in power savings.

Get the best of both worlds. Get your FREE copy here

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