Try something like this
foreach($vmin (Get-VM|where {$_.PowerState-eq"PoweredOff"})){ Set-VM-VM$vm-Name$newname-Notes$description-Confirm:$false
$template=Set-VM-VM$vm-ToTemplate-Confirm:$false
Move-Template-Destination (Get-Folder-Name"New Folder") -Template$template-Confirm:$false
}