Heliox charger at an electric bus depot with transit buses charging under overhead pantographs

Adaptive Power for
Real-World Operations

Our goal is to help agencies build scalable charging strategies for both depot and opportunity charging, supported by monitoring software and service that help maximize uptime and keep electrification from disrupting daily operations.

2014
World's first electric bus depot
125+
Cities served worldwide
120+
Buses supported on average in major transit depots such as Miami, New York, and Los Angeles

Beyond the bus: the blueprint for a profitable
zero-emission fleet

Transitioning to electric transit is a strategic crossroads, not just a vehicle purchase. With the potential for a 25% lower total cost of ownership, the stakes for your infrastructure design have never been higher. Download our whitepaper to discover the best practices for site planning, demand forecasting, and building a scalable depot that avoids costly "rip-and-replace" upgrades. These best practices come from years of large-scale deployments, supporting projects of every size to deliver electrification at scale.

Download the Whitepaper

Electrification in action

From space-constrained urban depots to high-capacity transit hubs, explore the technology powering the next generation of zero-emission fleets.

Versatile Depot Solutions

See our full portfolio in transit environments, showcasing how our hardware adapts to any site layout or operational requirement.

Scalable Power: Heliox Flex Pro™

Experience the power of dynamic charging. Charge up to 6 vehicles simultaneously with a compact, high-output solution designed for maximum flexibility.

Sharing solutions

Electrification at Scale

Transit agencies across North America rely on Heliox to power fleets of every size. Each project below highlights the charging solution deployed, the scale of the installation, and the feature that made it the right fit for that agency's operations.

Heliox Flex Pro charger next to an electric bus at a Seattle transit depot

Seattle, WA

Supported KCM in upgrading their electric bus charging infrastructure with a scalable, long-term solution to ensure reliable service.

Scale:
Heliox Flex Pro™
Key benefits:
High power charging solution with compact footprint supporting high-power pantograph charging for quick turnaround. Connects to up to six depot pantographs or plug-in dispensers for off-shift charging offering a scalable solution for electric fleet transitions.
Heliox CCS1 dispensers and chargers at an electric bus depot in New York City

New York, NY

Advanced a major NYC transit agency's electrification goals by converting two depots to serve a growing fleet of BEBs.

Scale:
35+ Flex 180's + 28 CCS1 Dispensers + 73 600A Pantographs
Key benefits:
Successful retrofit of 100+ year old building to support today's charging technology. In addition, providing commonality among parts and training across depots.
Electric buses under Heliox overhead pantograph chargers at a San Diego depot

San Diego, CA

Supported expansion from a pilot program to larger-scale electrification of key depots.

Scale:
18 Flex 180's + 62 250A Pantographs across multiple sites
Key benefits:
Repeatable depot designs using reliable Heliox Flex architecture. Multiple depots aligned on equipment to support easier maintenance, training, and parts control.
Electric buses charging at a Heliox-equipped depot in Montgomery County, MD

Montgomery County, MD

Electrified existing depots that previously served CNG & diesel fleets. Heliox equipment was integrated as part of a microgrid solution at both depots.

Scale:
30 Flex Chargers: mix of Flex 180 and Flex 360 + 84 dispensers including overhead CCS1 & opportunity charging
Key benefits:
Effective and innovative use of ground mounted + overhead Cable Management