Microsoft is actively testing a new feature in Windows 11 aimed at enhancing energy efficiency: the "User Interaction-Aware CPU Power Management." Introduced in test build 26200.5603, this function automatically reduces CPU load during periods of user inactivity, such as when no mouse movements or key presses are detected. Once user interaction resumes, the system promptly restores full performance.
This feature is designed to extend battery life on laptops by operating seamlessly in the background without interfering with ongoing tasks. It is expected to be included in the final releases of Windows 11 versions 24H2 and 25H2.
The "User Interaction-Aware CPU Power Management" builds upon previous energy-saving initiatives by Microsoft. For instance, Windows 11 build 26002 introduced an "Energy Saver" mode, which extends and enhances battery saver functionalities. This mode allows users to trade off some system performance to extend battery life and reduce energy use. It can be toggled on and off via Quick Settings in the system tray or configured to run automatically when the device reaches a certain battery percentage. Notably, while optimized for battery life, Energy Saver is also available when PCs are plugged in, including desktop PCs, for those aiming to conserve energy continuously. (guru3d.com)
In addition to these features, Microsoft has been refining power management settings to provide users with more control over their devices' energy consumption. For example, the integration of Energy Saver controls into Microsoft Intune allows IT administrators to set power management policies remotely, ensuring devices adhere to organizational standards. This includes options like "Enable Energy Saver to Always Be On," which can yield significant energy savings when applied across multiple devices. (windowsforum.com)
However, some users have reported issues with power management settings in Windows 11. For instance, there have been instances where Windows 11 ignores CPU usage settings in power plans, leading to higher frequencies even during idle states. Users have noted that the system seems to have only two states: performance mode when plugged in and power save mode on battery, resulting in increased noise levels during idle periods. This suggests that while new features aim to improve energy efficiency, there may still be challenges in their implementation that need to be addressed. (answers.microsoft.com)
Overall, Microsoft's ongoing efforts to enhance power management in Windows 11 reflect a commitment to improving energy efficiency and user experience. The introduction of features like "User Interaction-Aware CPU Power Management" and "Energy Saver" mode demonstrate a proactive approach to addressing energy consumption concerns, particularly for laptop users seeking extended battery life.
Source: Zamin.uz Microsoft tests CPU energy-saving feature in Windows 11 - Zamin.uz, 07.06.2025
