The event doesn't take place for another 10 months.
Tickets for Electric Picnic 2020 in Laois sold out in less than three hours today.
They went on sale at 12 o'clock today.
The event will take place between 4th and 6th September at the Stradbally site.
It's the second time in the sixteen year history of the festival that it's sold out without an act being named.
The first of the acts will be announced in the New Year.
A limited number of tickets will be made available through the reward initiative of mobile network Three in 2020.
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