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How Much My Computer Use Electricity ?

Posted by Hany on 9:53 PM in , ,
If you’re trying to save money on your utility bills, you may find yourself wondering how much electricity a computer uses. However, finding the answer to this question can be a somewhat complicated task. The amount of electricity a computer uses depends upon what type of equipment you have and what applications you are running.

Typically, the amount of electricity a computer uses is between 65 watts and 250 watts. The monitor often needs between 35 watts and 80 watts of electricity as well. Most desktop computers have a label that lists how much electricity they need, but this is generally the theoretical maximum and not an average representation.

As you might expect, desktop computers with faster processors use more electricity than computers with slower processors. LCD monitors only use about half the electricity of similarly sized CRT monitors, however. Accessories and peripherals such as cable modems, routers, or webcams contribute to a slight increase in how much electricity a computer uses as well.

Regardless of what type of computer you own, the type of work you do on your computer makes a difference in electrical consumption. Using your computer to edit digital pictures, design a website, or play a video game uses more electricity than reading email or completing simple word processing tasks. In addition, the amount of electricity a computer uses significantly increases when it is connected to the Internet.

One common misconception about the amount of electricity a computer uses is that using a screensaver saves money. A screensaver does not use less energy. It's series of moving images is aimed at protecting the screen from having a static image ingrained into it.

If you’re worried about high utility bills, a better option is to leave your computer in standby mode when it’s not being used. In standby mode, a computer uses approximately 6 watts of electricity and the monitor’s electrical consumption drops to almost nothing. Of course, it’s even cheaper to turn your computer completely off when it won’t be used for several hours at a time.

Although many people prefer laptops because of their added convenience, it is interesting to note that a laptop computer can also result in a significant energy savings. Most laptops use between 15 watts and 45 watts of electricity. Switching to a laptop may be a smart decision if you’re concerned about how much electricity a computer uses.

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