An average PC consumes 100 W of power while on - just like a light bulb. Let's say electricity costs an average of 20 cents per KWh in Australia. By turning your computer off for 12 hours a night, you would save 12 hours x 20 cents x 0.1 KWh = 24 cents per day. That's a total of $7.20 per month.
If you worry at all about internet security, then you already know that if your computer is off, it cannot be hacked or infected with malware. Nevertheless, malware is frequently seeded when you are actively using your computer and is activated when you restart your computer. The benefit of shutting down your computer for security is quite questionable.
If you are in Australia and downloading torrents or large files, you may want to leave your computer on. Here are a few reasons why:
by Dimitri, Tags: Computers