BEFORE THE PUBLIC UTILITIES COMMISSION OF THE STATE OF CALIFORNIA

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1 BEFORE THE PUBLIC UTILITIES COMMISSION OF THE STATE OF CALIFORNIA Application of Southern California Edison Company (U 338-E) for Recovery of Aliso Canyon Utility Owned Energy Storage Costs. Application (Filed March 30, 2017) NOTICE OF SOUTHERN CALIFORNIA EDISON COMPANY (U 338-E) OF EX PARTE COMMUNICATION WITH THE OFFICE OF COMMISSION PRESIDENT MICHAEL PICKER JANET S. COMBS REBECCA MEIERS-DE PASTINO Attorneys for SOUTHERN CALIFORNIA EDISON COMPANY 2244 Walnut Grove Avenue Post Office Box 800 Rosemead, California Telephone: (626) Facsimile: (626) Dated: April 13, 2018

2 BEFORE THE PUBLIC UTILITIES COMMISSION OF THE STATE OF CALIFORNIA Application of Southern California Edison Company (U 338-E) for Recovery of Aliso Canyon Utility Owned Energy Storage Costs. Application (Filed March 30, 2017) NOTICE OF SOUTHERN CALIFORNIA EDISON COMPANY (U 338-E) OF EX PARTE COMMUNICATION WITH THE OFFICE OF COMMISSION PRESIDENT MICHAEL PICKER Pursuant to Rule 8.4 of the Rules of Practice and Procedure of the California Public Utilities Commission ( Commission ), Southern California Edison Company ( SCE ) gives notice of the following ex parte communication in the above captioned matter. On April 5, 2018, SCE timely provided the parties with a three-day advance notice the Commission had granted SCE s request for a meeting to discuss the projects that are the subject of the above-captioned matter. On April 10, 2018, Dawn Anaiscourt, Director, SCE CPUC Regulatory Affairs, Ranbir Sekhon, Director, SCE Portfolio Planning and Analysis, and Vibhu Kaushik, Director, SCE Grid Technology and Modernization met with David Peck, President Picker s advisor. The meeting took place at the Commission s San Francisco office from 2:30 p.m. to 3:00 p.m. During the meeting, SCE discussed the valuable operations of its current utility-owned Enhanced Gas Turbine (EGT) projects, as well as the potential for additional EGTs. SCE presented the document attached hereto as Attachment A at the meeting. SCE also produced its three-day advanced notice at the meeting. It is not attached because it was already served on all parties. 1

3 Respectfully submitted, JANET S. COMBS REBECCA MEIERS-DE PASTINO /s/ Rebecca Meiers-De Pastino By: Rebecca Meiers-De Pastino Attorneys for SOUTHERN CALIFORNIA EDISON COMPANY 2244 Walnut Grove Avenue Post Office Box 800 Rosemead, California Telephone: (626) Facsimile: (626) April 13,

4 Appendix A Enhanced Gas Turbine

5 Southern California Edison Hybrid Enhanced Gas Turbines

6 Agenda 1. Background 2. Hybrid EGT Benefits 3. Performance Results 4. Next Steps

levels by 2030 50% renewable energy in California, also by 2030 There is

7 Background on the California Energy Market & Policy California s GHG and Renewable Energy Targets Greenhouse gas (GHG) emissions to 40% below 1990 levels by % renewable energy in California, also by 2030 There is increasing need for flexible generation like the Hybrid EGT Southern California Edison 3

8 Market Benefits of Increased Generation Flexibility Increased existing Ancillary Services market participation Non Spinning Reserve Enable new higher-value market products Frequency Regulation Spinning Reserve More optimal Day-Ahead energy dispatch $/MWh Spinning Reserve Ability to respond to shorter negative and positive price spikes in Real-Time Hour Example: CAISO spin and non spin prices on October 4, 2017 Southern California Edison 4

Hybrid EGT Benefits Provides Greenhouse Gas Free Attributes Instant Response/Always Ready Technology 50MWs of Operating Reserve Primary Frequency Response -8 to +5

Use Lower Maintenance Costs Lower System GHG Emissions Renewable Energy Integration Increased Market Participation With Fuel Consumption 50 MWs Peaking Energy for

9 Hybrid EGT Benefits Provides Greenhouse Gas Free Attributes Instant Response/Always Ready Technology 50MWs of Operating Reserve Primary Frequency Response -8 to +5 MVAR Voltage Support 134 MW-Secs Inertia Black Start Technology Enables Reduced System Costs & Increases Customer Value Optimized System Dispatch Lower System Fuel Use Lower Maintenance Costs Lower System GHG Emissions Renewable Energy Integration Increased Market Participation With Fuel Consumption 50 MWs Peaking Energy for Local Contingency 50MW 25 MWs of High Speed Frequency Regulation Demand Charge Management Self Managed BESS SOC 0 10MW 200s (5-10mins) Southern California Edison 5

such as Spinning Reserve without burning fuel Fewer Gas Turbine Starts and Run Hours Higher

10 EGT Value Projections Market Utilization and Emissions Reductions Pre-construction, the Hybrid EGT was expected to significantly reduce overall plant emissions by providing grid services such as Spinning Reserve without burning fuel Fewer Gas Turbine Starts and Run Hours Higher capacity utilization Higher value grid services such as Spinning Reserve Southern California Edison 6

11 Hybrid EGT Actual Performance Results Average Day Ahead Capacity Commitment 100% % % 0 SCE Peakers Capacity Utilization Hybrid EGT Peakers Non EGT Peakers Energy Non Spin Reg Down Reg Up Spin Compared with SCE s non-hybrid peakers over the same period: Higher capacity utilization Lower fuel gas usage Lower emissions Higher market revenues CAISO Market Results from July 2017 to Dec 2017 Southern California Edison 7

12 Next Steps SCE is monitoring the operations and market performance of the current EGTs The performance of the initial two Hybrid EGTs have exceeded expectations thus far Spinning reserve utilization higher than expected Primary frequency response performance much higher than expected The Hybrid EGT has at times responded to over 500 frequency droops in a day, helping to maintain a stable electric system frequency SCE is also actively analyzing the customer value of additional Hybrid EGT upgrades at its three remaining GE LM600 peakers Mira Loma Peaker (Ontario, CA) Barre Peaker (Stanton, CA) McGrath Peaker (Oxnard, CA) Southern California Edison 8

13 Backup

14 Aliso Canyon and Energy Storage On January 6, 2016, Governor Brown issued an Executive Order regarding the Aliso Canyon Natural Gas Leak declaring the situation an emergency. To address the state of emergency the CPUC issued Resolution E-4791 requiring: Southern California Edison Company to hold an expedited competitive energy storage procurement solicitation to help alleviate an outage risk during the upcoming summer and winter of SCE shall solicit infront-of-the-meter (IFOM) energy storage that can be operational by December 31, Resolution E-4791 also found it reasonable to allow the utilities to pursue proposals for turnkey project development of utility owned energy storage projects located at utility-owned sites. Southern California Edison 10

SCE s Hybrid EGTs Built in partnership with GE

Turbine (GT) and Battery Energy Storage System

15 SCE s Hybrid EGTs Built in partnership with GE and Wellhead Energy Solutions Combines a Gas Turbine (GT) and Battery Energy Storage System (BESS) Two sites chosen: Center Peaker (Norwalk, CA) Grapeland Peaker (Rancho Cucamonga, CA) BESS online end of 2016 GT and BESS integrated Q MVA INVERTERS 10MW LI BATTERY Enhanced Emissions Controls Upgraded Combustion Controls FUEL SAVINGS MAINTENANCE EMISSIONS WATER CONSUMPTION Southern California Edison 11

16 EGT Integration Diagram Southern California Edison 12

EGT Control Diagram CAISO or Local Dispatch Local Communications Local Sensing Hybrid EGT Control System (Integration Controller) Gas Turbine Controls BESS Controls Site GSU 1 Immediate response

17 EGT Control Diagram CAISO or Local Dispatch Local Communications Local Sensing Hybrid EGT Control System (Integration Controller) Gas Turbine Controls BESS Controls Site GSU 1 Immediate response to AGC 2 or load following Grid Load Variable Generation Voltage and frequency Power Flow Active Communications 1 Generator Step up transformer 2 Automatic Grid Control Southern California Edison 13

18 CAISO s Duck Curve The abrupt fall-off of solar in the evening coincides with sharp rise in consumer demand, leading to the need for additional flexible generation. Southern California Edison 14

19 Hybrid EGT Recognition and Accolades The SCE-GE project is a perfect example that distributed energy resources can be used in innovative ways and still fully participate in the wholesale energy market managed by the ISO. Steve Berberich President and CEO California Independent System Operator Southern California Edison s Hybrid EGT energy storage project will allow us to increase our reliance on renewable energy, reducing smog forming pollution and combating climate change. Wayne Nastri Executive Officer South Coast Air Quality Management District To date the Hybrid EGT has won four awards: Edison Electric Institute (EEI) Edison Award Energy Storage North America (ESNA) Innovation Award South Coast Air Quality Management District (SCAQMD) Innovative Clean Air Technology Award Power Magazine s Top Plant Award Southern California Edison 15

20 SCE s Aliso Canyon Energy Storage Utility Owned Resources

21 CENTER EGT Purpose: Emergency Proclamation CPUC Resolution E-4791 & Operational Flexibility Location: Norwalk, CA BESS Size: 10 MW/4.3 MWh Gas Turbine Size: 50 MW Commercial Operation: Received CAISO confirmation on 12/30/16 Systems are bid into CAISO wholesale energy market Southern California Edison 17

22 CENTER BESS Step-Up or Down Transformers 13.8kV : 480V Battery Enclosure 10MW 4.3MWh Medium Voltage Switchgear 13.8kV Interconnection System Controller GE Mark-V Power Inverter AC to DC (8) 1.25 MW Southern California Edison 18

SCE Mira Loma Tesla Battery Energy Storage System Purpose: Governor Brown s Emergency Proclamation CPUC Resolution E-4791 Location: Ontario, CA Adjacent to SCE s Mira Loma Peaker & Substation Size:

23 SCE Mira Loma Tesla Battery Energy Storage System Purpose: Governor Brown s Emergency Proclamation CPUC Resolution E-4791 Location: Ontario, CA Adjacent to SCE s Mira Loma Peaker & Substation Size: 20 MW/80 MWh Energy for 15,000 homes for 4 hours Commercial Operation: Received CAISO confirmation on 12/30/16 Systems are bid into CAISO wholesale generation market for day ahead and real time dispatch Southern California Edison 19

Tesla Powerpacks 48 Inverters Connection: Each system connected to 12kV circuit that feeds customers

24 SCE Mira Loma Tesla Battery Energy Storage System Construction: Facility was constructed in 90 days through rain and Holidays Footprint: ~62,000 square feet (under one and a half acres) Components: 398 Tesla Powerpacks 48 Inverters Connection: Each system connected to 12kV circuit that feeds customers Considerations: Facility built between 66kV and 220kV transmission lines Southern California Edison 20

25 BEFORE THE PUBLIC UTILITIES COMMISSION OF THE STATE OF CALIFORNIA Application of Southern California Edison Company (U 338-E) for Recovery of Aliso Canyon Utility Owned Energy Storage Costs. Application (Filed March 30, 2017) CERTIFICATE OF SERVICE I hereby certify that, pursuant to the Commission s Rules of Practice and Procedure, I have this day served a true copy of NOTICE OF SOUTHERN CALIFORNIA EDISON COMPANY (U 338-E) OF EX PARTE COMMUNICATION WITH THE OFFICE OF COMMISSION PRESIDENT MICHAEL PICKER on all parties identified on the attached service list(s) for A Service was effected by one or more means indicated below: Transmitting the copies via to all parties who have provided an address. A true copy was also sent via to the following individuals at the following address: President, Michael Picker David Peck, Advisor to President Picker Picker.Exparte@cpuc.ca.gov david.peck@cpuc.ca.gov Placing the copies in sealed envelopes and causing such envelopes to be delivered by US Mail to the offices of the Commissioners(s) or other addresses(s). ALJ Melissa K. Semcer CPUC 505 Van Ness Avenue San Francisco, CA Executed April 13, 2018, at Rosemead, California. /s/ Mildred King Mildred King Legal Administrative Assistant SOUTHERN CALIFORNIA EDISON COMPANY 2244 Walnut Grove Avenue Post Office Box 800 Rosemead, California 91770

26 CPUC - Service Lists - A Page 1 of 3 4/13/2018 CPUC Home CALIFORNIA PUBLIC UTILITIES COMMISSION Service Lists PROCEEDING: A EDISON - FOR RECOVER FILER: SOUTHERN CALIFORNIA EDISON COMPANY LIST NAME: LIST LAST CHANGED: APRIL 9, 2018 Download the Comma-delimited File About Comma-delimited Files Back to Service Lists Index Parties SABRINA CLORFEINE DANIEL W. DOUGLASS SOUTHERN CALIFORNIA GAS COMPANY ATTORNEY 555 W. 5TH STREET DOUGLASS & LIDDELL LOS ANGELES, CA PARK GRANADA, SUITE 209 FOR: SOUTHERN CALIFORNIA GAS COMPANY CALABASAS, CA FOR: ALLIANCE FOR RETAIL ENERGY MARKETS AND DIRECT ACCESS CUSTOMER COALITION REBECCA A. MEIERS-DE PASTINO ANAND DURVASULA SR ATTORNEY CALIF PUBLIC UTILITIES COMMISSION SOUTHERN CALIFORNIA EDISON COMPANY LEGAL DIVISION 2244 WALNUT GROVE AVE. / PO BOX 800 ROOM 4107 ROSEMEAD, CA VAN NESS AVENUE FOR: SOUTHERN CALIFORNIA EDISON COMPANY SAN FRANCISCO, CA FOR: ORA ROBERT FINKELSTEIN DAVID PEFFER GENERAL COUNSEL ATTORNEY AT LAW THE UTILITY REFORM NETWORK BRAUN BLAISING SMITH WYNNE, P.C. 785 MARKET ST., STE L STREET, SUITE 1480 SAN FRANCISCO, CA SACRAMENTO, CA FOR: THE UTILITY REFORM NETWORK (TURN) FOR: CITY OF LANCASTER (LANCASTER) Information Only DESPINA NIEHAUS CALIFORNIA REGULATORY AFAIRS MRW ASSOCIATES MRW & ASSOCIATES

27 CPUC - Service Lists - A Page 2 of 3 4/13/2018 SAN DIEGO GAS & ELECTRIC COMPANY ONLY ONLY ONLY, CA ONLY, CA REGULATORY CLERK BLAKE ELDER BRAUN BLAISING SMITH WYNNE, PC CLEAN ENERGY SPECIALIST ONLY EQ RESEARCH ONLY, CA HARRISON OAKS BLVD., STE. 100 CARY, NC KENDRA TALLEY SETAREH MORTAZAVI CASE MGR. COUNSEL SOUTHERN CALIFORNIA GAS COMPANY SOUTHERN CALIFORNIA GAS COMPANY 555 W. FIFTH STREET, GT14D6 555 WEST FIFTH ST., STE. 1400, GT14G1 LOS ANGELES, CA LOS ANGELES, CA GREGORY HEALY CASE ADMINISTRATION REGULATORY CASE MGR. SOUTHERN CALIFORNIA EDISON COMPANY SOUTHERN CALIFORNIA GAS COMPANY 8631 RUSH STREET 555 WEST FIFTH STREET, GT14D6 ROSEMEAD, CA LOS ANGELES, CA DAVID BALANDRAN JEFF RENZI MGR. SOUTHERN CALIFORNIA EDISON COMPANY SOUTHERN CALIFORNIA EDISON COMPANY 2244 WALNUT GROVE AVENUE 2244 WALNUT GROVE AVE., PO BOX 800 ROSEMEAD, CA ROSEMEAD, CA DONALD C. LIDDELL SUE MARA ATTORNEY CONSULTANT DOUGLASS & LIDDELL RTO ADVISORS, LLC ND AVENUE 164 SPRINGDALE WAY SAN DIEGO, CA REDWOOD CITY, CA F. JACKSON STODDARD BUCK ENDEMANN ATTORNEY ATTORNEY MORGAN LEWIS & BOCKIUS, LLP K&L GATES, LLP ONE MARKET, SPEAR STREET TOWER FOUR EMBARCADERO, STE 1200 SAN FRANCISCO, CA SAN FRANCISCO, CA KEVIN WOODRUFF SCOTT BLAISING WOODRUFF EXPERT SERVICES COUNSEL TH STREET, SUITE 514 BRAUN BLAISING SMITH WYNNE P.C. SACRAMENTO, CA L STREET, SUITE 1480 SACRAMENTO, CA ANN L. TROWBRIDGE MIKE CADE ATTORNEY AT LAW INDUSTRY SPECIALIST DAY CARTER & MURPHY LLP ALCANTAR & KAHL 3620 AMERICAN RIVER DRIVE, STE SW SALMON STREET, SUITE 1100 SACRAMENTO, CA PORTLAND, OR DAVID A. WEBER SCOTT GIBSON

28 CPUC - Service Lists - A Page 3 of 3 4/13/2018 PRESIDENT & CEO GILL RANCH STORAGE LLC GILL RANCH STORAGE 220 NW 2ND AVENUE 220 NW 2ND AVENUE PORTLAND, OR PORTLAND, OR State Service AMIN NOJAN KARIN M. HIETA CALIF PUBLIC UTILITIES COMMISSION CALIF PUBLIC UTILITIES COMMISSION ELECTRICITY PLANNING & POLICY BRANCH ELECTRICITY PLANNING & POLICY BRANCH AREA ROOM VAN NESS AVENUE 505 VAN NESS AVENUE SAN FRANCISCO, CA SAN FRANCISCO, CA MELISSA K. SEMCER RACHEL MCMAHON CALIF PUBLIC UTILITIES COMMISSION CALIF PUBLIC UTILITIES COMMISSION DIVISION OF ADMINISTRATIVE LAW JUDGES INFRASTRUCTURE PLANNING AND PERMITTING B ROOM 5041 AREA 505 VAN NESS AVENUE 505 VAN NESS AVENUE SAN FRANCISCO, CA SAN FRANCISCO, CA SHANNON O'ROURKE SYED SAFVI CALIF PUBLIC UTILITIES COMMISSION CALIF PUBLIC UTILITIES COMMISSION COMMISSIONER PETERMAN ELECTRIC SAFETY AND RELIABILITY BRANCH AREA 4-A AREA 505 VAN NESS AVENUE 505 VAN NESS AVENUE SAN FRANCISCO, CA SAN FRANCISCO, CA YULIYA SHMIDT CALIF PUBLIC UTILITIES COMMISSION COMMISSIONER RECHTSCHAFFEN ROOM VAN NESS AVENUE SAN FRANCISCO, CA TOP OF PAGE BACK TO INDEX OF SERVICE LISTS

BEFORE THE PUBLIC UTILITIES COMMISSION OF THE STATE OF CALIFORNIA

BEFORE THE PUBLIC UTILITIES COMMISSION OF THE STATE OF CALIFORNIA Application of Southern California Edison Company (U 338-E) for Approval of its 2018 Energy Storage Procurement and Investment Plan. Application