Decadence Colorado 2026, which the festival calls Decadence NYE, takes place on Wednesday, December 30 and Thursday, December 31, 2026 at the Colorado Convention Center, 700 14th St, in downtown Denver, Colorado. It is produced by Global Dance, which says it has run events in the Rocky Mountain region since 2003, and the official lineup archive goes back to 2011. Venue doors and will call open at 5pm and the event runs from 6pm to 2am on both nights, so the Thursday show takes you past midnight into 2027. Entry is 18+ with a government-issued ID, and the bars are 21+.
The full 2026 lineup is out: 23 artists, listed alphabetically and by day on the official lineup page. Wednesday, December 30 brings Alesso, DJ Snake, Excision, Zeds Dead, Lane 8, Green Velvet, Seven Lions and more. Thursday, December 31 brings Marshmello, GRiZ, ISOxo, Levity, Crankdat and more. The Silent Disco is back as well, with its lineup still to be announced. The festival says set times and the venue map will be released closer to the event.
According to the official venue page, more than 400,000 square feet of the convention center's exhibit halls will be turned into two arenas. Inside there is food and drink at several spots, multiple full bars for guests 21 and over, free refillable water stations, a coat check in the lobby, ATMs and a designated smoking area (smoking is not allowed inside the building). Entry lines form indoors in the lobby, and there is no re-entry. The festival bills the event as America's biggest electronic New Year's celebration.