Microsoft releases Joulemeter, a power consumption measurement tool

Joulemeter from Microsoft Research is a software based mechanism to measure the energy usage of virtual machines (VM), servers, desktops, laptops, and even individual software running on a Windows computer.

Microsoft Joulemeter

Microsoft Joulemeter

Joulemeter estimates the energy usage of a VM, computer, or software by measuring the hardware resources (CPU, disk, memory, screen etc) being used and converting the resource usage to actual power usage based on automatically learned realistic power models.

Joulemeter can be used for gaining visibility into energy use and for making several power management and provisioning decisions in data centers, client computing, and software design.

It tracks computer resources, such as CPU utilization and screen brightness, and estimates power usage.

Go here for more: Product Information.

UPDATE: The public release of Joulemeter is deprecated and it is no longer available for public download. Similar energy estimation capability is now available through Visual Studio.

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Anand Khanse is the Admin of, a 10-year Microsoft MVP Awardee in Windows (2006-16) & a Windows Insider MVP. Please read the entire post & the comments first, create a System Restore Point before making any changes to your system & be careful about any 3rd-party offers while installing freeware.