Protocol Revision Subcommittee

1. Protocol Revision Subcommittee Presentation to the ERCOT Technical Advisory Committee June 3, 2010

2. Items for a Vote Unanimous Recommendations • PRR849, Suspension of Annual CSC Determination • NPRR212, Disputing Fuel Oil Price (FOP) Costs NPRR217, Resolution of Alignment Item A58 - Use of Different Computational Modules NPRR223, Resolution of Alignment Item A73 – Removal of IMM and PUC Staff Nightly Report NPRR222, Half-Hour Start Unit RUC Clawback (Companion to NPRR207) Parking Deck Recommendation Non-Unanimous Recommendations PRR845, Definition for IDR Meters and Optional Removal of IDR Meters at a Premise Where an Advanced Meter Can be Provisioned PRR846/NPRR213, Deadlines for Initiating Alternative Dispute Resolution NPRR210, Wind Forecasting Change to P50, Synchronization with PRR841 • NPRR221, Day-Ahead Market and Real-Time Market Default Allocation Changes NPRR225, Standard Cost Option in Verifiable Costs

3. 3 PRRs for Approval 6.5 NPRRs for Approval 1.5 NPRRs for Parking Deck Consideration 0 Rejection 0 Withdrawal Current Discussions PRS Summary

4. PRR845, Definition for IDR Meters and Optional Removal of IDR Meters at a Premise Where an Advanced Meter Can be Provisioned

5. PRR845, Definition for IDR Meters and Optional Removal of IDR Meters at a Premise Where an Advanced Meter Can be Provisioned No Impact Impact Description Item Reviewed Budget Staffing Computer Systems Business Functions Grid Operations Credit Monitoring/ Liability

6. PRR846/NPRR213, Deadlines for Initiating Alternative Dispute Resolution

7. PRR846/NPRR213, Deadlines for Initiating Alternative Dispute Resolution No Impact Impact Description Item Reviewed Budget Staffing Computer Systems Business Functions Grid Operations Credit Monitoring/ Liability

8. PRR849, Suspension of Annual CSC Determination - URGENT

9. PRR849, Suspension of Annual CSC Determination - URGENT No Impact Impact Description Item Reviewed Budget Staffing Computer Systems Business Functions Grid Operations Credit Monitoring/ Liability Pending

10. PRR210, Wind Forecasting Change to P50, Synchronization with PRR841

11. PRR210, Wind Forecasting Change to P50, Synchronization with PRR841 (non-grey boxed section) No Impact Impact Description Item Reviewed Budget Staffing Computer Systems Business Functions Grid Operations Credit Monitoring/ Liability

12. NPRR212, Disputing Fuel Oil Price (FOP) Costs

13. NPRR212, Disputing Fuel Oil Price (FOP) Costs No Impact Impact Description Item Reviewed Budget Staffing Computer Systems Business Functions Grid Operations Credit Monitoring/ Liability

14. NPRR217, Resolution of Alignment Item A58 - Use of Different Computational Modules

15. NPRR217, Resolution of Alignment Item A58 - Use of Different Computational Modules No Impact Impact Description Item Reviewed Budget Staffing Computer Systems Business Functions Grid Operations Credit Monitoring/ Liability

16. NPRR221, Day-Ahead Market and Real-Time Market Default Allocation Changes

17. NPRR221, Day-Ahead Market and Real-Time Market Default Allocation Changes No Impact Impact Description Item Reviewed Budget Staffing Computer Systems Business Functions Grid Operations Credit Monitoring/ Liability Pending

18. NPRR223, Resolution of Alignment Item A73 – Removal of IMM and PUC Staff Nightly Report

19. NPRR223, Resolution of Alignment Item A73 – Removal of IMM and PUC Staff Nightly Report No Impact Impact Description Item Reviewed Budget Staffing Computer Systems Business Functions Grid Operations Credit Monitoring/ Liability

20. NPRR225, Standard Cost Option in Verifiable Costs

21. NPRR225, Standard Cost Option in Verifiable Costs No Impact Impact Description Item Reviewed Budget Staffing Computer Systems Business Functions Grid Operations Credit Monitoring/ Liability

22. NPRR210, Wind Forecasting Change to P50, Synchronization with PRR841 – PRS recommends a Priority of High NPRR222, Half-Hour Start Unit RUC Clawback (Companion to NPRR207) - PRS recommends a Priority of High Parking Deck Priority

23. PRR210, Wind Forecasting Change to P50, Synchronization with PRR841

24. NPRR222, Half-Hour Start Unit RUC Clawback (Companion to NPRR207)

25. None this month. Withdrawals and Rejections

26. Unanimous Recommendations PRR849, Suspension of Annual CSC Determination NPRR212, Disputing Fuel Oil Price (FOP) Costs NPRR217, Resolution of Alignment Item A58 - Use of Different Computational Modules NPRR223, Resolution of Alignment Item A73 – Removal of IMM and PUC Staff Nightly Report NPRR222, Half-Hour Start Unit RUC Clawback (Companion to NPRR207) Parking Deck Recommendation Non-Unanimous Recommendations PRR845, Definition for IDR Meters and Optional Removal of IDR Meters at a Premise Where an Advanced Meter Can be Provisioned PRR846/NPRR213, Deadlines for Initiating Alternative Dispute Resolution NPRR210, Wind Forecasting Change to P50, Synchronization with PRR841 NPRR221, Day-Ahead Market and Real-Time Market Default Allocation Changes NPRR225, Standard Cost Option in Verifiable Costs PRR/NPRR Summary

27. 2010 PRR Approval Cycle – Normal Timeline

28. Nodal Parking Deck - Approved by ERCOT Board

29. Nodal Parking Deck – Pending Approval