Festival organisers have pleaded with NSW Premier Gladys Berejiklian to delay a new licensing regime until after the state election, saying there has been "no public consultation and no genuine engagement" with industry over the changes.

Organisers say they will be given just 24 hours notice of the final regulations before they come into effect on March 1.

Arrivals at the Electric Gardens dance music festival at Centennial Parklands. Credit:Brook Mitchell

In a statement co-signed by 12 musical festivals and organisations, the industry said there was "widespread confusion about the details and impact of the new regime".

"As a direct result of the NSW Government’s rushed new music festival licensing regime, scheduled to come into effect on 1 March 2019, numerous music festivals in NSW are being forced to close or look at options outside NSW," the statement said.