1 Distribution Resources Plan [R ] Data Workshop California Public Utilities Commission May 23, 2016 Rulemaking R Pursuant to Public Utilities Code Section 769 Assigned Commissioner: CPUC President Michael Picker Administrative Law Judge: Robert Mason, Peter Allen Energy Division Staff Lead: J. David Erickson

Safety and Emergency Information In event of an emergency calmly proceed out the exits Four exits: Two in the rear and one on either side of the speakers In the event that we need to evacuate building: (For Rear Exits) - Head out through the courtyard, down the front steps, and continue east on McAllister Street. Turn south onto Polk Street/Carlton B. Goodlett Place. (For Side Exits) - Go out of exits and you will be on Golden Gate Avenue. Proceed east pass Van Ness Avenue to Polk Street, turn south and continue to Civic Center Plaza Our assembly point is Civic Center Plaza on McAllister and Polk Streets [Dr. Carlton B. Goodlett Place]. 2

Other Information Call-in: (866) Participant Passcode: WebEx : : MTID=mc34fe5d2b c84 adc0ac5c457 Meeting Number: Meeting Password: !Energy1 3 3 WiFi Access: login: guest password: cpuc42916 Restrooms: Exit Auditorium doors and proceed to the far end of the hallway DRP Website: All presentations will be posted on the DRP website

4 Workshop Agenda 10:00 am – 10:10CPUC Introduction 10:10 -10:55Joint Presentation by IOUs: PG&E, SCE, SDG&E Description of the data important to furthering the goals of the DRP Data types Utilities propose to share Responses to Ruling questions 10:55 – 11:00Break 11: :45 Panel Discussion – DER provider perspective: Enphase, SolarCity, Stem Description of the data important to furthering the goals of the DRP Data types DER providers propose to share Responses to Ruling questions 11:45 – 12:15Q&A – Utilities and DER Providers 12:15 - 1:15 Lunch 1:15 – 2:00 Data Availability and Access/User Interface Issues Panelists: Mission: Data, Utility API, SBCEC Data transfer types User Interface Cybersecurity 2:00 – 2:30Q&A 2:30 – 2:45Break 2:45 – 3:30Discussion of Open Issues (All Panelists) Balancing Privacy Protections and the Need for Data Real-time access to operational data – From Utilities; From DER Owner/Operators 3:30-4:00Public Comment Adjourn

Workshop Goals and Purpose This workshop is being held pursuant to ALJ Robert Mason’s ruling of April 29, Goals: 1.to improve the accessibility and usability of publicly available data and 2.to establish a stakeholder-driven process to that will consider expansion of access to data from utilities, from third party DER providers and from others. Purposes of the Data Access workshop: 1.To provide an opportunity for the IOUs to address questions related to potential improvement of their data access proposals in the Distribution Resources Plans 2.To enable parties to present proposed improvements or changes to the utility proposals 5

6 Thank you! For Additional Information: Dave Erickson

CPUC Actions on Data Smart Grid Proceeding (R , closed) –D : Adopting requirements for smart grid deployment plans pursuant to Senate Bill 17 (Padilla) (Requires Grid Security and Cyber Security Strategy Section, Customer Data Privacy, Sec. 3.6 at 49 in Decision) –D : Adopts rules to protect the privacy and security of electricity usage data of customers (PUC 8380,“covered information”) –D : Authorizing provision of customer energy data to third parties upon customer request (Customer Data Access or Green Button Connect) –D : Adopts rules to provide access to energy usage and usage-related data while protecting privacy of personal data (Use Case 6: Third-parties, e.g. Solar PV Installers, Seek Access to Anonymous Data to Identify Households that could Benefit from their Services) 7