Electrification for 1,164 School Buses and Bi-directional vehicle-to-grid chargers
Project Highlights
- Project included site assessment and analysis of existing internal combustion engine fleet routes.
- Delivered total cost of ownership model including V2G revenue and demand response programs.
- Developed detailed design and engineering package for utility and permitting.
- Broad stakeholder engagement to take the project from conceptualization to deployment.
Project Description
Sargent & Lundy completed site assessments and design for 18 locations in New York and Massachusetts as part of a fleet electrification plan. The project team provided an electrification roadmap illustrating a prioritized list of client locations for electrification to meet their objective of two-thirds fleet conversion by 2031. Sargent & Lundy designed site plans for each location to size utility equipment based on the standard for the site and provided layouts for vehicle ingress/egress and weather considerations. The designs included recommendations on vehicles, chargers, and software along with optimal design elements to standardize where possible and minimize construction costs through the implementation of best practices.
Resiliency and redundancy considerations were critical given the importance of school buses in transporting children. The project established implementation phases for each location based on a total cost of ownership model developed by Sargent & Lundy that informed deployment with consideration of capital expenditures and accounting for obsolescence risk. Sargent & Lundy worked with operational personnel during the site design to determine operational factors such as arrival and departure time, emergency events, route analysis, weather events and consideration, driver planning, and maintenance. The inclusion of bus drivers, maintenance staff and other operational personnel during the project assisted in change management and provided key factors for each site. Through meetings with operational personnel, the project team discovered that one site is prone to flooding and addressed the need for grading and proper drainage in the design.
Project Scope
Sargent & Lundy’s scope of work included:
- Fleet assessment and feasibility analysis.
- Total cost of ownership model development.
- V2G revenue estimation.
- Phased procurement and deployment planning.
- Bus and charger OEM interface and coordination.
- Utility coordination and permitting.
- Environmental permitting support.
- Assisting in project permitting.
- Preparation of cable sizing calculations.
- Engineering support of field construction.
- Engineering support of field construction.
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