1. RTWG Report to TAC January 6, 2010 Henry Durrwachter

2. RTWG Meeting December 7, 2009 Presentation on Electric Energy Storage (EES) technologies focused on potential applications in ERCOT by Dr. Rahul Walawalkar, Customized Energy Solutions Updated Issues List –Identified 4 completed issues MD - 8 (Reactive and Voltage Requirements Applicable to Wind Generators) SO - 9 (SCADA Control of Generator Circuit Breakers) SO - 15 (Communications between Wind Farms and TSPs) SO - 28 (SPS Actuation for N-0 Conditions) –Added one new issue (SP - 9: Wind Turbine Model Validation)

3. Work Plan for 2010 Complete Texas Renewables Implementation Plan (TRIP) documentation (February) Quarterly TRIP Updates for ERCOT Board and Public Utility Commission of Texas Focus on: –solar technology integration issues –potential Protocol and Operating Guide changes related to solar technologies –potential applications for storage and associated Protocol and Operating Guide changes

4. Questions?