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energy saved

how much power is saved when the iMac computer is sleeping?


iMac 21.5″, macOS 10.15

Posted on Jul 12, 2020 9:58 AM

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Question marked as Top-ranking reply

Posted on Jul 12, 2020 10:29 AM

See the chart linked below.


iMac power consumption and thermal output

https://support.apple.com/en-us/HT201918


Generally speaking, iMacs are very energy-efficient. Turning them off will save some energy, but there are also good reasons to leave then always on. For example, during idle time is when macOS performs most of it's background maintenance tasks.

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2 replies
Question marked as Top-ranking reply

Jul 12, 2020 10:29 AM in response to askewcrescent

See the chart linked below.


iMac power consumption and thermal output

https://support.apple.com/en-us/HT201918


Generally speaking, iMacs are very energy-efficient. Turning them off will save some energy, but there are also good reasons to leave then always on. For example, during idle time is when macOS performs most of it's background maintenance tasks.

energy saved

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