Set-PowerPlan.ps1

Set-PowerPlan.ps1

$Powerplans = Get-WmiObject -Query "SELECT ElementName,InstanceID,ISActive FROM win32_powerplan" -Namespace root\cimv2\power
$Target = "High performance"

foreach ($Powerplan in $Powerplans) {
if ($Powerplan.ElementName -eq $Target) {
    $Powerplan.ElementName
    $Powerplan.InstanceID
    $Powerplan.ISActive
    $Changer = $Powerplan
    break
    }
   }
if ($Changer) {
    $GUID = $Changer.InstanceID.Substring(21,36)
    Powercfg -SetActive $GUID
    }