Because every single person uses a computer, doing some actions that can make them more energy efficient is a wise decision.Beside your energy bill will be lower, you are doing something good for the environment. In order to make your computer use less energy, you don’t need some other gadget or some kind of investment. All you need to do is to turn off and reduce a few things on your computer. Maybe the procedure is different, but the result is the same on every computer (PC, Mac or Linux).
In general, computers use 432.16kWh per year. If it is turned on for 16 hours a day. This means that in one year in spend $150 on the electricity. Maybe it isn’t much, but you can reduce your energy bill. The first and the most important thing you can do is to choose the power saving plan. This plan is made from pre-programmed settings that will reduce the screen brightness and send your computer to sleep earlier than in regular mode. Many users like screen savers, but they are responsible for increasing the energy bill. If a computer is turned on 16 hours a day, with a screen saver, it will consume 65.1 w (CRT monitor) or 27.61w (LCD) in one year. If you turn the screen saver off, you will save $130 (CRT) or $55 (LCD).
You like when the monitor brightness is set to the max, but it isn’t good. In that case, a monitor uses 65.1w each hour. If you reduce it by 50%, you will save a 95.05kWh or $38 per year.