Configure when energy saver (previously named efficiency mode) should become active: registry value EfficiencyMode (Recommended)ComputerHKLM\Software\Policies\Microsoft\Edge\Recommended

Policy ID
EfficiencyMode_recommended
Scope
Computer Configuration, User Configuration
Supported on
Microsoft Edge version 96, Windows 7 or later
Source
Microsoft Edge Policy Templates (version 155.0.4283.45)
Category
Microsoft Edge - Default Settings (users can override) › Performance

Registry

EfficiencyMode

REG_DWORDComputerUser
Enabled value
Depends on the option value
Element
Configure when energy saver (previously named efficiency mode) should become active
Options
ItemStored value
Energy saver is always active0
Energy saver is never active1
Energy saver is active when the device is unplugged2
Energy saver is active when the device is unplugged and the battery is low3
When the device is unplugged, energy saver takes moderate steps to save battery. When the device is unplugged and the battery is low, energy saver takes extra steps to save battery.4
When the device is unplugged or unplugged and the battery is low, energy saver takes extra steps to save battery.5
Apply with .reg · CMD · PowerShell
ComputerMachine-wide setting
.reg
Windows Registry Editor Version 5.00

[HKEY_LOCAL_MACHINE\Software\Policies\Microsoft\Edge\Recommended]

; Options (use only one)
; Energy saver is always active
"EfficiencyMode"=dword:00000000
; Energy saver is never active
"EfficiencyMode"=dword:00000001
; Energy saver is active when the device is unplugged
"EfficiencyMode"=dword:00000002
; Energy saver is active when the device is unplugged and the battery is low
"EfficiencyMode"=dword:00000003
; When the device is unplugged, energy saver takes moderate steps to save battery. When the device is unplugged and the battery is low, energy saver takes extra steps to save battery.
"EfficiencyMode"=dword:00000004
; When the device is unplugged or unplugged and the battery is low, energy saver takes extra steps to save battery.
"EfficiencyMode"=dword:00000005
CMD
:: Options (use only one)

:: Energy saver is always active
reg add "HKLM\Software\Policies\Microsoft\Edge\Recommended" /v "EfficiencyMode" /t REG_DWORD /d 0 /f
:: Energy saver is never active
reg add "HKLM\Software\Policies\Microsoft\Edge\Recommended" /v "EfficiencyMode" /t REG_DWORD /d 1 /f
:: Energy saver is active when the device is unplugged
reg add "HKLM\Software\Policies\Microsoft\Edge\Recommended" /v "EfficiencyMode" /t REG_DWORD /d 2 /f
:: Energy saver is active when the device is unplugged and the battery is low
reg add "HKLM\Software\Policies\Microsoft\Edge\Recommended" /v "EfficiencyMode" /t REG_DWORD /d 3 /f
:: When the device is unplugged, energy saver takes moderate steps to save battery. When the device is unplugged and the battery is low, energy saver takes extra steps to save battery.
reg add "HKLM\Software\Policies\Microsoft\Edge\Recommended" /v "EfficiencyMode" /t REG_DWORD /d 4 /f
:: When the device is unplugged or unplugged and the battery is low, energy saver takes extra steps to save battery.
reg add "HKLM\Software\Policies\Microsoft\Edge\Recommended" /v "EfficiencyMode" /t REG_DWORD /d 5 /f
PowerShell
# Common: create the key
New-Item -Path 'HKLM:\Software\Policies\Microsoft\Edge\Recommended' -Force | Out-Null

# Options (use only one)
# Energy saver is always active
New-ItemProperty -Path 'HKLM:\Software\Policies\Microsoft\Edge\Recommended' -Name 'EfficiencyMode' -PropertyType DWord -Value 0 -Force | Out-Null
# Energy saver is never active
New-ItemProperty -Path 'HKLM:\Software\Policies\Microsoft\Edge\Recommended' -Name 'EfficiencyMode' -PropertyType DWord -Value 1 -Force | Out-Null
# Energy saver is active when the device is unplugged
New-ItemProperty -Path 'HKLM:\Software\Policies\Microsoft\Edge\Recommended' -Name 'EfficiencyMode' -PropertyType DWord -Value 2 -Force | Out-Null
# Energy saver is active when the device is unplugged and the battery is low
New-ItemProperty -Path 'HKLM:\Software\Policies\Microsoft\Edge\Recommended' -Name 'EfficiencyMode' -PropertyType DWord -Value 3 -Force | Out-Null
# When the device is unplugged, energy saver takes moderate steps to save battery. When the device is unplugged and the battery is low, energy saver takes extra steps to save battery.
New-ItemProperty -Path 'HKLM:\Software\Policies\Microsoft\Edge\Recommended' -Name 'EfficiencyMode' -PropertyType DWord -Value 4 -Force | Out-Null
# When the device is unplugged or unplugged and the battery is low, energy saver takes extra steps to save battery.
New-ItemProperty -Path 'HKLM:\Software\Policies\Microsoft\Edge\Recommended' -Name 'EfficiencyMode' -PropertyType DWord -Value 5 -Force | Out-Null
UserPer-account setting
.reg
Windows Registry Editor Version 5.00

[HKEY_CURRENT_USER\Software\Policies\Microsoft\Edge\Recommended]

; Options (use only one)
; Energy saver is always active
"EfficiencyMode"=dword:00000000
; Energy saver is never active
"EfficiencyMode"=dword:00000001
; Energy saver is active when the device is unplugged
"EfficiencyMode"=dword:00000002
; Energy saver is active when the device is unplugged and the battery is low
"EfficiencyMode"=dword:00000003
; When the device is unplugged, energy saver takes moderate steps to save battery. When the device is unplugged and the battery is low, energy saver takes extra steps to save battery.
"EfficiencyMode"=dword:00000004
; When the device is unplugged or unplugged and the battery is low, energy saver takes extra steps to save battery.
"EfficiencyMode"=dword:00000005
CMD
:: Options (use only one)

:: Energy saver is always active
reg add "HKCU\Software\Policies\Microsoft\Edge\Recommended" /v "EfficiencyMode" /t REG_DWORD /d 0 /f
:: Energy saver is never active
reg add "HKCU\Software\Policies\Microsoft\Edge\Recommended" /v "EfficiencyMode" /t REG_DWORD /d 1 /f
:: Energy saver is active when the device is unplugged
reg add "HKCU\Software\Policies\Microsoft\Edge\Recommended" /v "EfficiencyMode" /t REG_DWORD /d 2 /f
:: Energy saver is active when the device is unplugged and the battery is low
reg add "HKCU\Software\Policies\Microsoft\Edge\Recommended" /v "EfficiencyMode" /t REG_DWORD /d 3 /f
:: When the device is unplugged, energy saver takes moderate steps to save battery. When the device is unplugged and the battery is low, energy saver takes extra steps to save battery.
reg add "HKCU\Software\Policies\Microsoft\Edge\Recommended" /v "EfficiencyMode" /t REG_DWORD /d 4 /f
:: When the device is unplugged or unplugged and the battery is low, energy saver takes extra steps to save battery.
reg add "HKCU\Software\Policies\Microsoft\Edge\Recommended" /v "EfficiencyMode" /t REG_DWORD /d 5 /f
PowerShell
# Common: create the key
New-Item -Path 'HKCU:\Software\Policies\Microsoft\Edge\Recommended' -Force | Out-Null

# Options (use only one)
# Energy saver is always active
New-ItemProperty -Path 'HKCU:\Software\Policies\Microsoft\Edge\Recommended' -Name 'EfficiencyMode' -PropertyType DWord -Value 0 -Force | Out-Null
# Energy saver is never active
New-ItemProperty -Path 'HKCU:\Software\Policies\Microsoft\Edge\Recommended' -Name 'EfficiencyMode' -PropertyType DWord -Value 1 -Force | Out-Null
# Energy saver is active when the device is unplugged
New-ItemProperty -Path 'HKCU:\Software\Policies\Microsoft\Edge\Recommended' -Name 'EfficiencyMode' -PropertyType DWord -Value 2 -Force | Out-Null
# Energy saver is active when the device is unplugged and the battery is low
New-ItemProperty -Path 'HKCU:\Software\Policies\Microsoft\Edge\Recommended' -Name 'EfficiencyMode' -PropertyType DWord -Value 3 -Force | Out-Null
# When the device is unplugged, energy saver takes moderate steps to save battery. When the device is unplugged and the battery is low, energy saver takes extra steps to save battery.
New-ItemProperty -Path 'HKCU:\Software\Policies\Microsoft\Edge\Recommended' -Name 'EfficiencyMode' -PropertyType DWord -Value 4 -Force | Out-Null
# When the device is unplugged or unplugged and the battery is low, energy saver takes extra steps to save battery.
New-ItemProperty -Path 'HKCU:\Software\Policies\Microsoft\Edge\Recommended' -Name 'EfficiencyMode' -PropertyType DWord -Value 5 -Force | Out-Null