Our photographer Eric Gregory was there to get these snaps.
5.
Chesterfield town centre's Christmas tree all lit up.
6.
The cast of this year's panto at the Pomegranate, Jack and the Beanstalk, was there to help with the switch-on.
7.
The mayor and mayoress of Chesterfield counted down for the switch-on.
8.
And we have switch-on!