Please find attached a document listing some key TCR dates for ERCOT.

The info was provided by 

Pamela J. Dautel, MPH
Senior Analyst, Transmission Congestion and Renewables

ERCOT - The Texas Connection
2705 West Lake Drive
Taylor, TX  76574

512-248-3955  Telephone
512-248-3995  Fax
512-657-9168  Mobile

Thanks,
Martin