Pacific Gas and Electric-PEV Infrastructure and Grid
1PG&E And ElectricVehiclesA Brief Overview of Rates and Service PlanningUlric KwanPrincipal Product ManagerEmerging TechnologiesPG&EFebruary 25, 2012
PG&E and Electric Vehicles 2A Brief Overview of Rates and Service PlanningAgenda• PG&E Overview• Time of Use Rates (Overview)• PG&E Residential EV Rates• PG&E Service Planning Process• Current PG&E Electric Vehicle Activities
PG&E and Electric Vehicles 3A Brief Overview of Rates and Service PlanningPG&E Overview • Public utility company providing electricity and natural gas to ~15 million people in Northern and Central California • Fortune 200 company located in San Francisco • $14.8 billion market capitalization • Approximately 20,000 employees • Generation Facts • Over 14% from eligible renewable sources • 13% large hydro and 21% nuclear • Less than 2% from coal
PG&E and Electric Vehicles 4 A Brief Overview of Rates and Service Planning Time of Use Rates (Overview)Time of Use (TOU) rates are designed to encourage customers to use electricity at timeswhere the electrical system is typically less stressed.Peak is typically between 2PM to 9PM. Off peak is typically between midnight to 7AM. Partpeak would be the other hours. Illustrative example of the typical load on PG&E’s system and some potential possibilities for TOU rates and smart charging.
PG&E and Electric Vehicles 5 A Brief Overview of Rates and Service Planning PG&E Residential EV RatesResidential Rates• PG&E PEV customers may select one of the residential PEV TOU rates (E-9A or E-9B) or may stay on their existing residential rates (E-1, E-6). • Whole House Option (E-9A): Serves an entire house load and PEV through a single meter. • Dedicated Meter Option (E-9B): Utilizes a second meter and dedicated breaker that serves only the PEV load. • Requires electrical construction to install panel. • Advantage of having a separate baseline.• PG&E has proposed new PEV TOU rates and is awaiting CPUC approval.Non-Residential RatesCurrently no PEV rate options for customers interested in non-residential charging;customers must be placed on one of the general commercial rate schedules.For more information on rates, please visit:www.pge.com/tariffs/ Electric Rateswww.pge.com/pevcalculator/ Rate Comparison Calculatorwww.pge.com/nots/rates/tariffs/tm2/pdf/ELEC_3910-E.pdf Proposed new PEV rates
PG&E and Electric Vehicles 6A Brief Overview of Rates and Service PlanningPG&E Service PlanningProcess 1 PEV Customer Arrange for assessment of home wiring by electrician. Select level of charging. Decide on existing rate or E-9A (1 6 PG&E meter) or E-9B (2 meters) rate. PG&E installs a second meter (if requested). 2 Electrician Reconnects service to the Conducts a home inspection premise Identifies any panel upgrades Customer can avail the new rate and provides customer with an (if requested) estimate 3 PEV Customer5 City Inspector Contacts PG&E to request for a Once Electrician completes the rate change. Provides charging installation process, an electrical load of EVSE and information on inspection is scheduled. panel upgrades Electrical inspector approves installation 4 PG&E PG&E processes the rate request. PG&E will temporarily disconnect service to perform panel upgrade. PG&E will perform service and system upgrades, if necessary Building Renovation Service Center (BRSC): 1-877-743-7782
PG&E and Electric Vehicles 7A Brief Overview of Rates and Service PlanningCurrent PG&E Electric VehicleActivities• Engaged at the California Air Resources Board on the Low Carbon Fuel Standard• Upgrading infrastructure as needed to ensure PG&E customers have a smooth charging experience• Have enrolled over 1,000 customers on EV rates• Purchasing EVs for PG&E’s Fleet• Proposed EV demand response pilot