Disney Parks Blog, the Main Street Electrical Parade will roll down Magic Kingdom's Main Street for the last time on October 9, 2016. It will make a limited encore run at Disneyland, then presumably be retired for good.
I'm kind of bummed we've seen our last MSEP, but I'm hoping the Paint The Night parade, that closes at Disneyland in September, will be moving to Florida. DIsney hasn't said as much, but keep your ears open.
Here's a little Pooh Sticks Photo Goodbye