The Energy pane in the Activity Monitor app. The pane shows a list of information about the energy usage of different apps in four columns. At the bottom of the window is a graph showing the overall energy impact.

See how much energy your Mac is using

You can find out how much energy your Mac is using, and see which apps or processes are using the most energy.

How to view energy consumption

A live graph icon.

Monitor CPU activity

See the CPU activity on your Mac in the Activity Monitor window or as a live graph right in the Dock.

View CPU activity

The close process button.

Close apps and processes

When your system is acting sluggish or simply not responding, use Activity Monitor to locate and force quit troublesome apps or processes.

Quit an app or process

A memory chip icon.

See memory usage

You can monitor the amount of system memory being used on your Mac in Activity Monitor.

View memory usage

To explore the Activity Monitor User Guide, click Table of Contents at the top of the page, or enter a word or phrase in the search field.

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