Reduce Computer Energy Use

Reader Contribution by Peyton Baldwin

Almost everyone uses a computer these days. But not everyone knows how much energy is consumed by that one device. Most appliances or electronics tell you the number of watts they use. An average CPU uses 120 watts, while the monitor uses 150 watts. That’s 270 watts of power while in use, but there are several easy ways to reduce that amount.

Simply turning on the ‘sleep mode,’ which is found on most computers, can reduce the energy used to 60 total watts. The Department of Energy (DOE) says an Energy Star computer can reduce electricity consumption by about 70 percent when in ‘sleep mode.’ Energy Star computers will consume 15 watts or less power.

Other simple ways you can save electricity include:

  • Turning off your monitor when it’s not being used for more than 20 minutes
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