Sharepoint Powershell - Add bulk items to Sharepoint lists

cls

$webURL = "http://SiteURL"

$listName = "List_Name"

$web = Get-SPWeb $webURL

  

$list = $web.Lists[$listName]

#Add 1000 items to the list

for ($i=1;$i -lt 1001; $i++) {

$newItem = $list.Items.Add()

           #Add properties to this list item

           $newItem["Title"] = "Test Item"+ $i.ToString()

            $newItem.Update()

}