Electric Vehicle Charging Station Installation Challenges and Operational Management David Worthington Fleet Manager County of Sonoma
County Installed EV Charging Stations To Date • 37 Charging Stations • 17 Fleet Use Only • 20 Public • 16 Different Sites • 6 Fleet Use Only • 10 Pubic • 74 Charging Ports • 34 Fleet Use Only • 40 Public • 8 Different Cities or Towns Total EV Charging Stations Located in the County To Date • 85 Charging Stations • 30 Fleet Use Only • 55 Public • 34 Different Sites • 9 Fleet Use Only • 25 Pubic • 150 Charging Ports • 60 Fleet Use Only • 90 Public • 10 Different Cities and Towns
County Planned EV Charging Station Additions Fleet Use Only • 12 Charging Stations • 4 Different Sites • 24 Charging Ports
Site Location Choice • Public or Fleet Use? • Location Needs Assessment • Voltage Available • Accessibility • Infrastructure Costs • Vehicle Designs
Public or Fleet Use Only Challenges Public Fleet Use Only • Accessibility • Fee Structure • Hours of Operation • Ease of Use • Vandalism • Customer Service • Data Tracking • Driver Training • Sophistication of Equipment • Restricting Public Access
Publically Accessible Fleet Use Only Typically Less Expensive on a Per Station Cost Average
Location Needs Assessment 3 Charging Stations for 2 Spaces?
Public Accessibility Consideration In 2009 At One of Our First Sites
Public Accessibility Challenges Is It a Fueling Station or a Parking Space? Federal -- American with Disabilities Act (ADA) State – Building Codes Local – Permitting
Infrastructure Costs Vary Greatly Reasonable Cost of Installation
How Sophisticated is the Equipment? Do You Need Use Data?
Vehicle Design Challenges Charging Port at Left Fender
Charging Port at Right Quarter Panel If it is an “Accessible” Station the cord may not be long enough
Operational Management Challenges Plugged In? Software Locked? Cord Plugged Into Wrong Socket?
Maintenance Challenges Circuit Breaker Turned Off and Forgot to be Flipped Back On……?
Maintenance Challenges Curling and Uncurling Cords Every Day?
Driver Training….. The Key to Everything…..
Help? You Are Not Alone in Figuring It Out California Office of Planning and Research Electric Vehicle Infrastructure Guidelines http://opr.ca.gov/docs/PEV_Access_Guidelines.pdf Plug-In Electric Vehicle Collaborative http://www.evcollaborative.org/ Bay Area Climate Collaborative Collaborative http://www.baclimate.org/
Questions? David.Worthington@sonoma-county.org 707-565-2809