Batch file to toggle between two POWERCFG schemes.

toggle_power_profiles.bat

@ECHO OFF

'
' SETUP:
' To get the GUIDs required, in Windows Powershell, run:
'
'    POWERCFG -L
'
' Then select and right-click a GUID to copy.
'
' To run this script when the machine wakes from sleep:
'   1. Create a new task in Task Scheduler.
'   2. New Trigger -> Begin the task: On an Event
'      Log: SYSTEM
'      Source: Power-Troubleshooter
'      Event ID: 1
'   3. Run Program -> Browse to this script.
'
' Additionally, you can schedule this script to run at midnight to switch profiles (and ideally go to sleep).
'

SET performanceGuid=''
SET sleepGuid=''

for /f "tokens=2 delims=:(" %%x in ('powercfg -getactivescheme') do SET currentGuid=%%x
set currentGuid=%currentGuid: =%

IF "%currentGuid%" == "%performanceGuid%" (
  POWERCFG -SETACTIVE "%sleepGuid%"
) ELSE (
  POWERCFG -SETACTIVE "%performanceGuid%"
)