The gates opened at 2:00pm.
Gates for early entry are open at Electric Picnic.
80,000 people are expected to attend the three-day festival in Stradbally in Co Laois, with Lewis Capaldi, Gorillaz, and Fontaines DC headlining.
Some rain is expected on Saturday and Sunday.
Alan O'Reilly from Carlow Weather has this advice for those camping:
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