Here's the latest info from Carlton Eppes on S-Grid on the Pro Series (electrics if I'm not mistaken) with the new regions. We will be called the "Midwest" region. It's not set in stone though (I'm hoping for one more race at least):

I'm trying to cover as much area with the east as possible. I sent Tampa
and Badlands the dates I have available just waiting on an answer back.

East Tracks dates pending
Charlotte RC
Badlands
Tampa

South
Indy RC - Feb. 11-12
K&M - March 11-12
Toys 4 Big Boys - April 22-23

Northeast
McCulloughs - Feb. 18-19
Ashtabulla - March 25-26
Tiltyard - April 22-23

Midwest
Planet RC - Feb. 4-5
Dirtburners (Michigan) - March 11-12
Leisure Hours - April 1-2

North
HP Hobbies - Feb. 4-5
RC Motorheads - March 18-19
Enid RC - April 8-9

The Finals will be in June date and location to be announced soon.