Your computer is an important energy consumer in your home. Can you save energy when using it? This article offers a few tips. You only know how much electricity you use if you have a way to measure it. And only if you measure it can you minimize its use. A voltmeter gives you this ability. You can buy one for only $25 US at Amazon. You plug the voltmeter into the wall socket, then plug the device you want to measure into the voltmeter. To measure how much electricity all your computer equipment uses, plug it all into a power strip, and plug the power strip into the voltmeter. If you’re like me, when you get your new voltmeter you’ll run around the house and measure the power consumption of everything in sight. You’ll quickly find ways to minimize your use of electricity, powering off some appliances and using others less. With your computer you’ll discover: It’s tough to generalize about computer power consumption because it varies so widely. (That’s why you bought the voltmeter!) Most desktop computer systems consume between 70 and 200 watts while in use, while laptops often burn between 15 and 60 watts. Both figures include typical LCD displays. View this power consumption ch...