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pmset

Configure macOS power management settings, as one might do in System Preferences > Energy Saver. Commands that modify settings must begin with sudo.

Display the current power management settings:

pmset -g

Display the current power source and battery levels:

pmset -g batt

Set display to never sleep when on charger power:

sudo pmset -c displaysleep 0

Set display to sleep after 15 minutes when on battery power:

sudo pmset -b displaysleep 15

Schedule computer to automatically wake up every weekday at 9 AM:

sudo pmset repeat wake MTWRF 09:00:00

Restore to system defaults:

sudo pmset -a displaysleep 10 disksleep 10 sleep 30 womp 1