STA currently operates 120 electric school buses across 11 states and Ontario, Canada, using 30kW DC fast chargers from InCharge Energy at many locations.
power supplied, if extra power is available, or ending the session before the vehicle gets to 100 percent, if it’s able to,” Wood said. “The latter case is especially true if the [EVSE] is set up to sequentially charge.” Wood said STA uses sequential charging to minimize infrastructure costs while still gaining the benefits of DC fast charging. But during the winter, when charge times are longer and mid-day dwell time is limited, the process must be carefully managed. Often, he said, buses do not need to be charged to 100
percent to complete their afternoon routes. One bus may only need 70 percent, while another may need 80 percent. The question Wood set out to solve was how to determine each vehicle’s charge requirement and find the right balance so both buses have enough time to charge before their next route.
Recognizing a bright light driving the industry forward.
Congratulations to the 2026 STN Innovator of the Year:
CAMERON WOOD
Electrification Performance Lead Analyst at Student Transportation America!
www.stnonline.com 65
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