Attached to this email is a presentation made at yesterday MRS meeting.? The 
last slide indicates calculated TTC limits between zones for the on peak 
summer base case.? Have a great weekend.

? 
Kenneth A. Donohoo, PE 
Manager of System Planning, Technical Operations 
ERCOT 
2705 West Lake Dr. 
Taylor, TX 76574-2136 
(512)248-3003, FAX(512)248-3082