Early Entry, Campervan or Caravan ticket holders will have access from 4pm.
While Electric Picnic does not officially start until tomorrow, some festival go-ers will have the opportunity to get the weekend started today.
Those who have purchased Early Entry, Campervan or Caravan tickets, will be able to head to Stradbally before the general access begins on Friday.
All car parks will open from 4pm.
There will be entertainment taking place in the woodland areas from 6pm until midnight.