This document represents an interim Regional Demonstration Project Technical Project Report (TPR) for Pecan Street Inc.'s (Pecan Street) Smart Grid Demonstration Program, DEOE- 0000219. Please note that comments were received on the September 2013 TPR on June 23, 2014, which will be incorporated into the final TPR. Pecan Street is a 501(c)(3) smart grid/clean energy research and development organization headquartered at The University of Texas at Austin. Pecan Street is working with Austin Energy, UT, Environmental Defense Fund (EDF), the City of Austin, the Austin Chamber of Commerce and selected consultants, contractors and vendors to take a more detailed look at the energy load of residential and commercial meters while the power industry is undergoing modernization. Never before has a program been able to record, down to the circuit level at 1-minute intervals, detailed information about what drives peak electricity demand. The Pecan Street Smart Grid Demonstration Program signed-up over 1,000 participants who are sharing their green button, smart meter, and/or HEMS data with the project, and Pecan Street completed the installation of Home Energy Management Systems (HEMS) in 750 homes and 25 commercial properties. The program provided incentives to increase the installed base of rooftop solar photovoltaics (PV) systems, plug-in electric vehicles with Level 2 charging, and residential energy storage.