Headliners down through the years included Prince, Bob Dylan and Paul Weller.
The ban will remain in place until Power, who did not defend the case, settles with the PRS and pays £7,987 in legal costs.
The 67-year-old had previously told a British newspaper that the action had come out of the blue.
“I am angry and disappointed that PRS have not contacted me by post, email or telephone,” he claimed. “To say that I am banned from staging live music events for the sake of £7k, is damaging to my career. I can only see this as PRS being vindictive.”
A native of Kilmacthomas, County Waterford, Power built up the Mean Fiddler empire during the ‘80s and ‘90s and at various points has been involved with the Reading, Leeds, Phoenix, Fleadh and Madstock festivals in the UK, Benicassim in Spain and the Fleadh Mor in Tramore - a rare failure which ran for just the one year in 1993 and lost Vince 1.5 million of your old Irish punts.
His next project is a 500-capacity jazz club to be based in Essex.