Power Monitor
Power Monitor is an application that measures and reports the power consumption of a Mac.
Free · Open sourceLatest versionMac
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About Power Monitor
_Power Monitor_ is a powerful open-source tool that provides real-time insights into your device's energy consumption and carbon footprint, linked to your location. Here's how it can help you:
Measure Energy Consumption: Track how much energy your Mac consumes, helping you understand the environmental impact of your device usage.
Location-Based Carbon Footprint: See the carbon footprint generated by your device, taking into account your location. Make informed choices for a greener future.
Data-Driven Decisions: With data measured every 5 seconds and storage of maximum values from the last 24 hours, pinpoint energy hogs and optimize your usage for efficiency.
Technical Accuracy: While it's not possible to measure exact wattage directly on the Mac, _Power Monitor_ provides a reliable estimate based on external power meter tests.
_Power Monitor_ supports the following macOS versions:
- macOS 27.x (*)
- macOS 26.x
- macOS 15.x
- macOS 14.x
- macOS 13.x
(*) An issue has been identified in macOS 27 whereby the schedule for the alternative electricity tariff is not displayed correctly. We raised this issue with Apple, but unfortunately it was not fixed in the final release of macOS 27. However, the issue appears to have been resolved in the macOS 27.2 beta.
_Power Monitor_ is a new native Mac solution to monitor, report and visualize your Mac’s power consumption.
To learn more about _Power Monitor_ features, make sure to take a look at our wiki (opens in a new tab) or the links below:
- Installation (opens in a new tab)
- Uninstallation (opens in a new tab)
- Using _Power Monitor_ (opens in a new tab)
- Managing _Power Monitor_ (opens in a new tab)
- FAQ (opens in a new tab)
See who's talking about _Power Monitor_…
2025
This project is 'as-is' with no support, no changes being made. You are welcome to make changes to improve it but we are not available for questions or support of any kind.
Description adapted from the project README.
- Version
- 1.3.4
- Updated
- Sep 15, 2026
- Size
- 2.3 MB
- License
- Apache License 2.0
Open source details
- Source code
- Exact source for 1.3.4
- Released
- Sep 15, 2026
- GitHub stars
- 276
Community project. Help and bug reports go to the maintainers on GitHub; AppsXi does not provide support for this app.
License
PermissiveApache License 2.0
Use, change and share it freely, including in closed source apps, as long as the copyright notice stays. Includes a patent grant.
Read the full licenseHow this app was checked
AppsXi checks every version before it is listed.
Signed by SAP SE (7R5ZEU67FQ)
Apple Developer ID team 7R5ZEU67FQ
Notarized by Apple
Hardened Runtime on
File matches the hash GitHub published
SHA-256 2eb052647d458d4aa5f07e3b663cda0f0df86c736b52058b7884bf2267a025e2
No malware found
ClamAV 1.5.4 on Oct 14, 2026
Install and behavior test in a virtual machine: not run yet
Coming soon for all listings.
Versions
1.3.4checked
Checked Oct 14, 2026 · Mac
PKG · 2.3 MB
Questions about Power Monitor
Is Power Monitor free?
Yes. Power Monitor is free and open source under the Apache License 2.0. AppsXi lists the maintainers' official release and does not charge for it.
Is Power Monitor safe to download?
AppsXi downloads every version of Power Monitor from the maintainers' official GitHub release and checks it before it is listed. For version 1.3.4 (checked Oct 14, 2026), the Mac download is signed by its developer and notarized by Apple, each file matches the checksum GitHub publishes for the release, byte for byte and a malware scan found nothing.
Does Power Monitor run on Apple silicon Macs?
Yes. Power Monitor has a native Apple silicon build, and it runs on Intel Macs too.
What does Power Monitor need to run?
Power Monitor needs macOS Ventura (13) or later.
Who makes Power Monitor?
Power Monitor is an open source project by SAP on GitHub (SAP/power-monitoring-tool-for-macos). Help and bug reports go to its maintainers there.
Reviews
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