TAC January 5 th , Meeting Update to Commercial Operations Subcommittee

1. TAC January 5th, Meeting Update to Commercial Operations Subcommittee Debbie McKeever, COPs Chair 2011 Harika Basaran, COPs Vice Chair 2011

2. New TAC Leadership for 2012 Kenan Ogelman was elected Chair Bob Whitmeyer was elected Vice Chair 2

3. Minimize Meetings • The Board has cancelled two meetings for 2012 • All Subcommittees are requested to be as conservative as possible for their meeting schedule in 2012. • All Task Force and Working Groups should do the same. • COPs will analyze possibilities for cancelling some meetings in 2012 or be as efficient as possible with the scheduling of meetings. Meeting Title (optional)

4. PRS Report – NPRRsNPRR327, State Estimator Data Reduction Methodology - approvedNPRR407, Credit Monitoring Credit Parameters Posting Requirements - approvedNPRR422, Public DAM Shift Factors - approvedNPRR423, Add Voltage Support Requirement for IRRs and Allow Manual Control of Static VAr Devices if Approved by ERCOT - approved

5. Project Prioritization List Troy Anderson presented the new methodology for the PPL New priority factors… Logging changes on the new PPL including all the approvals and executive review Will help everyone understand what has changed recently. Living document! Note! Initial forecast of 2012 project implementation is complete. See TAC meeting documents or PPL for more info. 5

6. Revision Requests Tabled at TAC prior to 1-4 Mtg NPRR334, Incorporate Resource Limit for the Amount of Regulation Service that may be Provided from a Generation Resource During any Operating Hour – Tabled for a month. PGRR008, New Planning Guide Section 4, Generation Resource Interconnection - Approved NPRR408, Clarification of ERCOT Authority to Deny Energization of Non-Compliant Generators – Approved

7. ROS Report NOGRR087, Reinsertion of Network Operations Modeling Requirements – Urgent (Vote) Approved ROS through a past revision accidentally removed the modeling requirements and this NOGR puts those back. Approved! ROS TF has been created to work through some NERC objectives related to ROS

8. RMS Update RMGRR105, Change to the IDR Meter Requirement Report Due to Inclusion of AMS Meters (Vote) - approved RMGRR106, Clarifies E-mail Process for Safety-Net and Emergency Reconnect Requests and Adds a Spanish Version of the New Occupant Statement (Vote) – approved with modifications RMGRR107, Replace TML References with MIS (Vote) - approved

9. COPs Update COPMGRR028, Synchronization with NPRR374, Modification of SCR Process and Urgency Requirements (Vote) - Approved LPGRR045, Synchronization with NPRR374, Modification of SCR Process and Urgency Requirements (Vote) - Approved

10. Wholesale Market Subcommittee Report • TAC Annual Review of Minimum PTP Option Bid Price Per Protocol Section 7.7.1 (Vote) Approved with one abstention. Meeting Title (optional)

11. Cross Valley 345 kV Project Brownsville Area currently served by 4 138kV lines Sharyland Utilities and BPUB proposed Cross Valley 345 kV project to address normal load grown in East Valley, Port of Brownsville industrial load addition and maintenance outage issues. ERCOT has completed a study and with the 250 MW load additions, there would be an irresolvable constraint. No generator able to resolve the constraint.

12. Cross Valley 345 kV Project Continued • Additional information is being analyzed. • See TAC meeting materials for January 4th for full report. Meeting Title (optional)

13. Next TAC Meeting February 2nd Thank you! Meeting Title (optional)