Windows 11 Power Modes and Power Plans Explained

The Problem

Windows 11 has a Power mode setting, an Energy saver setting, classic power plans that may or may not be visible, and often a separate app from your laptop manufacturer that does something similar. They overlap, and it is not obvious which one is in charge.

This guide explains what each one controls, which settings actually change performance and battery life, and what to choose for your situation.

The Short Answer

Desktop: Power mode Best performance. Leave everything else at default.
Laptop on the charger: Best performance or Balanced.
Laptop on battery: Balanced, with Energy saver turning on automatically at 20%.
Gaming laptop: set the mode in the manufacturer's app (Armoury Crate, Lenovo Vantage, Alienware Command Center, and so on) — it usually overrides Windows.

Power Mode: The Main Setting

Settings → System → Power & battery → Power mode.

| Mode | What it does | |---|---| | Best power efficiency | Lets the CPU run at lower clock speeds and power limits. Quieter and cooler, noticeably slower under load. | | Balanced | Boosts the CPU when you need it and drops back quickly. The right choice for most people most of the time. | | Best performance | Keeps clock speeds higher and responds to load faster. More heat, more fan noise, less battery. |

On laptops, you get a separate setting for Plugged in and On battery. The difference between modes is largest on laptops; on desktops, Balanced and Best performance often measure within a few percent of each other.

Energy Saver (Formerly Battery Saver)

Settings → System → Power & battery → Energy saver.

Energy saver goes further than a power mode: it limits background activity, reduces screen brightness, pauses some sync, and on many systems caps CPU performance. Browsers also detect it and may reduce video frame rates — a common cause of choppy video in the browser.

Set Turn energy saver on automatically to 20% rather than Always, unless you are trying to get through a long day away from a charger.

Where Did the Classic Power Plans Go?

The Balanced, High performance, and Power saver plans still exist in Control Panel → Hardware and Sound → Power Options.

On many newer laptops, you will only see Balanced. That is expected: PCs that use Modern Standby (S0 low-power idle) hide the other plans, and Power mode replaces them. You can check which sleep states your PC supports by running this in Terminal:

powercfg /a

If you see Standby (S0 Low Power Idle), the power mode slider is the intended control. Forcing old plans onto these systems is not recommended — it can break sleep.

Ultimate Performance

Windows includes a hidden Ultimate Performance plan designed for workstations. It stops the CPU and other hardware from entering low-power states. To add it on a desktop, run in Terminal (Admin):

powercfg -duplicatescheme e9a42b02-d5df-448d-aa00-03f14749eb61

Then select it in Power Options. It is worth trying on a desktop used for gaming or rendering. It is not worth using on a laptop — it drains the battery and makes the laptop hotter for very little gain.

Settings Worth Changing

These live in Power Options → Change plan settings → Change advanced power settings for the active plan.

USB settings → USB selective suspend: set to Disabled if USB devices disconnect randomly, which is common with audio interfaces and some mice. See also USB device not recognized.
PCI Express → Link State Power Management: set to Off on desktops if you get stutters or GPU wake problems. Leave it on for laptops.
Processor power management → Maximum processor state: setting this to 99% on battery disables CPU boost on many laptops. It runs slower but much cooler — useful when a laptop is too hot on your lap.
Power buttons and lid → Lid close action: choose Do nothing if you use a laptop closed with an external monitor.

Settings to Leave Alone

Minimum processor state at 100%. This used to be a gaming tip. On modern CPUs it mostly increases heat and power use without improving performance.
Hard disk → Turn off hard disk after on an SSD-only PC. SSDs manage their own power.
Disabling sleep entirely to fix a sleep problem. Fix the cause instead: fix sleep and hibernation.

Useful Reports

Windows can generate detailed reports about power use:

Battery report — design capacity vs current capacity, charge history. Run powercfg /batteryreport and open the HTML file it saves. More detail in check laptop battery health.
Energy report — a 60-second trace of power problems such as devices that prevent sleep. Run powercfg /energy in Terminal (Admin).
Sleep study — on Modern Standby laptops, powercfg /sleepstudy shows what drained the battery while the lid was closed.

Manufacturer Apps

Laptop apps like Lenovo Vantage, Dell Optimizer, HP Command Center, ASUS Armoury Crate, and MSI Center add their own performance or thermal modes. These often change fan curves and power limits directly in the firmware, so they have a bigger effect than the Windows power mode.

If the Windows setting seems to do nothing, check the manufacturer app — it is usually the one in charge. Use one of them to make changes and leave the other on its default, so the two are not fighting.