Charger Size and Ambient Temperature Impacts on Bus Charging - 1 PDH

Webinar / 12:00pm-1:00pm; ET / $15 NYSSPE Members; $25 Non-Members

September 10, 2026

Cost: $15 NYSSPE Members - (Membership number is required for registration) / $25 Non-Members.  Need your membership number email: Jen - jamiller@nysspe.org


Discover how to optimize electric school bus performance in real-world conditions in this insightful webinar on the impacts of charger size and ambient temperature on charging. This session breaks down the fundamentals of electric bus batteries and explores how charging power, environmental conditions, and operational strategies directly affect charging time, efficiency, and long-term battery health. 

Through practical examples and data-driven scenarios, you’ll learn how colder and hotter climates can significantly alter charging curves, why charger sizing matters for fleet operations, and how strategies like battery preconditioning can dramatically reduce downtime and improve performance. Whether you’re managing a fleet or planning infrastructure, this webinar provides actionable insights to help you maximize efficiency, reduce costs, and ensure reliable electric bus operations year-round.


Speaker: John Havrilla, PE; Director of Alternative Fuels | Wendel

John has a BS in electrical engineering and is a registered professional engineer in the state of New York. He has extensive knowledge and experience in alternative fuels technologies including electric, compressed natural gas, propane, and hydrogen/fuel cell technologies. His experience includes fueling and maintenance facilities, route planning and economic analysis of alternative fuel implementations. John's background in alternative fuels has been focused on transit bus agencies as well as school bus fleets and facilities.  With a utility background, he provides a key interface to utilities on battery electric bus projects.