October 29 and November 19, 2015 TAC Meetings Update to COPS

1. October 29 and November 19, 2015TAC MeetingsUpdate to COPS Michelle Trenary December 9, 2015

2. PRS Report • NPRR702, Flexible Accounts, Payment of Invoices, and Disposition of Interest on Cash Collateral, Effective Date: Upon system implementation, Priority 2016, Rank 1550 Approved • NPRR708, Clarifying ERCOT Actions During Energy Emergency Alerts (EEAs), Effective Date: Upon system implementation of NPRR706, Restore the ability to use Physical Responsive Reserve Capability as an Indicator of Available Frequency Response Capacity Approved • NPRR715, Clarification of Generator Modeling in the Market System, Effective Date: January 1, 2016 Approved • NPRR716, Corrections to Aggregated Load and Participant Specific Generation Data Requirements, Effective Date: January 1, 2016 Approved • NPRR726, Daily Network Operations Model Power System Simulator for Engineering (PSS/E) File Posting Modification, Effective Date: January 1, 2016 Approved • NPRR728, Removal of Language Related to NPRR484, Revisions to Congestion Revenue Rights Credit Calculations and Payments, and NPRR554, Clarification of Future Credit Exposure Calculation, Effective Date: Upon system implementation Approved 2

3. PRS Report Cont. • NPRR728, Removal of Language Related to NPRR484, Revisions to Congestion Revenue Rights Credit Calculations and Payments, and NPRR554, Clarification of Future Credit Exposure Calculation, Effective Date: Upon system implementation Approved • NPRR729, Clarification of Metering Requirements for Resources, Effective Date: January 1, 2016 Approved • NPRR731, Changes to Annual Reporting Requirements for Reliability Unit Commitment (RUC) Decommitment Payment Amounts, Effective Date: January 1, 2016 Approved • NPRR732, Alignment of Verifiable Cost Language within Protocols, Effective Date: December 18, 2015 Approved • NPRR733, Delete Expiration of Customer Load Data Protected Information Status, Effective Date: January 1, 2016 Approved • SCR786, Retail Market Test Environment, Effective Date: Upon system implementation, Priority 2016, Rank 1510 Approved • NPRR641, Season Definition Change for Switchable Resources Reporting Unavailable Capacity, Effective Date: January 1, 2016 Approved 3

4. PRS Report Cont. • NPRR705, Provides Consistency for References to the End Date of the Generation Interconnection Process, Effective Date: January 1, 2016 Approved • NPRR712, Clarification of Reliability Unit Commitment (RUC) Process, Effective Date: Upon system implementation Approved • NPRR729, Clarification of Metering Requirements for Resources, Effective Date: January 1, 2016 Approved • NPRR719, Removal of Trigger and Requirement to Reduce the Distributed Generation (DG) Registration Threshold, Effective Date: Upon system implementation of COPMGRR040, Alignment with NPRR719, Removal of Trigger and Requirement to Reduce the Distributed Generation (DG) Registration Threshold Approved • NPRR725, Modifications to Capacity, Demand and Reserves (CDR) Private Use Network (PUN) Capacity Forecasting and PUN Net Capacity Reporting Requirements, Effective Date: January 1, 2016 Approved • NPRR727, Removal of Language Related to NPRR327, State Estimator Data Redaction Methodology, Effective Date: January 1, 2016 Approved 4

5. PRS Report Cont. • NPRR730, Elimination of the RUC Behavioral Pricing Rule, Effective Date: January 1, 2016 Approved • NPRR735, Load Resources Controlled by High-Set Under-Frequency, Effective Date: January 1, 2016 Approved • NPRR736, Updates to the Ancillary Service Capacity Monitor Display, Effective Date: Upon system implementation, Priority 2016, Rank 870 Approved • NPRR737, Clarification of Supplemental Ancillary Services Market (SASM) Notifications, Effective Date: Upon system implementation Approved • NPRR649, Addressing Issues Surrounding High Dispatch Limit (HDL) Overrides Rejected 5

6. PRS Report Cont. • LPGRR055, Extend Load Profile Model Calendar Inputs to 2030, Effective Date: To be determined Tabled at TAC • COPMGRR040, Alignment with NPRR719, Removal of Trigger and Requirement to Reduce the DG Registration Threshold, Effective Date: Upon System Implementation Tabled at TAC • RRGRR008, Alignment with NPRR705, Provides Consistency for References to the End Date of the Generation Interconnection Process, Effective Date: Upon system implementation of NPRR705, Provides Consistency for References to the End Date of the Generation Interconnection Process Tabled at TAC • NOGRR145, Alignment with NPRR705, Provides Consistency for References to the End Date of the Generation Interconnection Process, Effective Date: Upon system implementation of NPRR705, Provides Consistency for References to the End Date of the Generation Interconnection Process Tabled at TAC • NOGRR146, Clarifying ERCOT Actions During Energy Emergency Alerts (EEAs), Effective Date: To be determined Tabled at TAC 6

7. WMS Report • VCMRR010, Alignment with NPRR714, Real-Time Make-Whole Payment for Exceptional Fuel Cost, Effective Date: To be determined Approved • VCMRR011, Timeline for Reviewing Resources Verifiable Costs for Five Year Updates, Effective Date: November 1, 2015 Approved • TAC approved the 2016 CRR Activity Calendar • Loads in SCED (LiSCED): LMP Minus G • TAC endorsed LMP Proxy $G as an acceptable substitute for LMP Volumetric G without prejudice to other concepts in the whitepaper • Avoids the double payment issue by adding the load reduction back to the retail provider’s wholesale settlement • The DR provider effectively pays the retail provider the Proxy $G rate for the load reduction • The revenue from the load that is added to the retail provider’s settlement obviates the need for an uplift  7

8. ROS Report • Confirmation of Leadership Approved • Alan Bern, Oncor Electric Delivery and former ROS Vice-Chair, as Chair • Mark Soutter, Invenergy Energy Management, as Vice-Chair • Revised ROS Procedures Approved • Removed the Critical Infrastructure Protection and NERC Reliability Working Group and added the Operations Training Working Group (OTWG) • PGRR045, Alignment with NPRR705, Provides Consistency for References to the End Date of the Generation Interconnection Process, Effective Date: Upon system implementation of NPRR705, Provides Consistency for References to the End Date of the Generation Interconnection Process Approved • RRGRR007, Adding Solar Resource Registration Inputs, Effective Date: Upon system implementation, Priority 2016, Rank 1500 Approved 8

9. COPS Report • LPGRR056, Initial Profile Assignment for Temporary Services, Effective Date: October 1, 2015 Approved • COPMGRR039, Commercial Operations Market Guide Clean-up of Old Invoices, Effective Date: October 1, 2015  Approved 9

10. ERCOT • Ancillary Services Redesign Update • Good feedback received at the FAS/SIRS meeting held on September 21st • Brattle CBA Report will be posted by the end of October; Brattle presentation scheduled for November 9th • ERCOT NPRR667 comments are expected to be posted in time for comments during October and November • 2016 Ancillary Services Methodology Approved • Summary of Clean Power Plan Report presented • Chad Seeley named ERCOT General Counsel • Cheryl Mele named ERCOT Senior Vice-President and Chief Operating Officer • Panhandle RPG Project Approved 10

11. Other TAC Business • The DREAM TF continues their work and plan to return to TAC in January with • Next TAC Meeting is scheduled for December 17, 2015, but may be WebEx-only or cancelled, depending on need 11