Here are some details, but be sure to visit the Epcot website for more info on the street party and the festival itself:
Epcot Food and Wine Festival - Late Nights Live!
Between the United Kingdom Pavilion and World Showcase Plaza
9:45 PM to 1:00 AM
$79 per person
Tax is not included. Price includes admission to Epcot during the event for the day purchased. Theme park admission is included for the special event only. All attractions, entertainment and other offerings outside of the designated event area will not be available. If Guests wish to enjoy the theme park prior to the event, additional theme park admission will be required.