grid-integrated fleet & workplace charging for plug-in ......workplace charging commitment •...
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Grid-Integrated Fleet & Workplace Charging for!Plug-in Electric Vehicles!
J.C. Martin Workplace Charging Challenge – Summit 2014
November 18, 2014
© 2011San Diego Gas & Electric Company. All copyright and trademark rights reserved.
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SDG&E Goal – Grid Integrated Charging!
Create an excellent customer experience and accelerate the growth of electric transportation by ensuring the safe, reliable and efficient integration of EV loads with the grid
• More plug-in electric vehicles • More electric grid integrated miles
• Technology*
• Pricing
• Innovation*
• Education*
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San Diego Regional EV Growth!
• 11,278 EVs (56% BEV)
• 677 public charging stations (199 locations)
• 28 DC fast-chargers (10 in progress)
• 380 All-electric Car2Go fleet • 4,432 on SDG&E EV time-of use rate (41%)
October 2014"
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Workplace Charging Commitment!
• CA Governor Jerry Brown’s “Zero Emission Vehicle Action Plan”
– “Drive the Dream” commitment to workplace charging pledge – Fall 2013
• DOE Workplace Charging Challenge – SDG&E is a partner
– Achieve a tenfold increase in U.S. employers offering workplace charging in 5 years
• Over 70 SDG&E employees with PEVs (4,000 employees; 2,000 at HQ)
• SDG&E today: 50 EVSE (21 dedicated to fleet, 10 Vehicle-Grid Integrated)
• SDG&E by end of Q1 2015 about 150 Vehicle-Grid Integrated EVSE
– Up to 72 at SDG&E HQ (Century Park)
– Up to 75 at 13 other SDG&E facilities
– Five year EVSE expansion plans
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Minimize Cost & Maximize Accessibility!
8’ x 18’
EV Only
EV Only
EV Only
Spacing allows each charger to be used several
times each day, without moving cars – just move
the cord.
18’ cord length
EV Only
EV Only
EV Only
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Employee Grid-Integrated Charging Pilot
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Employee Grid-Integrated Charging!System
• Communicating – utility-specified, time-variant prices, day-ahead"
• Pricing – opportunity to get lowest price and meet charging needs"
• Billing – directly to employee
Transformer Panel:
breakers, system meter
VGI charging management
(deliver lowest possible price)
Level 1 & 2 charging
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Employee Grid-Integrated Charging Installation
Existing, upgraded or new transformer
Meter pedestal and breaker panel
10 EVSE separately metered
…
VGI Rate: Control electronics,
keypad and communications equip.
Grid-Integrated EV charging
and control
Primary Cable
Primary Conduit
Service Cable
Service Conduit
Customer Conduit
Customer Cable
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Employee Grid-Integrated Charging Phone App
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Electric Vehicle Grid Integration (EVGI) Pilot Proposal
• Pending proposal to introduce an hourly rate and EV charging infrastructure to efficiently integrate and manage charging loads with the grid
• Give EV customers the electricity they need at the best price possible
• Pending proposal to allow SDG&E to install EVGI enabling charging infrastructure in multi-family communities and places of work
– Best opportunity for grid-integrated charging due to long parking durations
• To greatest extent possible use third parties to build, install, operate and maintain EVGI charging system to SDG&E specifications
– Install 550 facilities (with 10 chargers each) over 5 years
• To have EV charging billed to an EV drivers’ SDG&E bill
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Questions?!
J.C. Martin"
Clean Transportation"
858-654-1162"
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