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It’s time for clean, quiet transportation for all

Communities are growing and evolving, and with that, our transportation needs are changing. Now more than ever, we need safer, more reliable and cleaner options. Every day, Proterra works to meet those needs with the world’s best electric vehicle technology solutions.

Proterra is a leader in the design and manufacture of zero-emission electric transit vehicles and Proterra Poweredtrademark electric vehicle technology solutions for heavy-duty applications. Since 2004, Proterraregistered technology has been proven through more than 10 million miles on the road in our purpose-built electric transit buses.

As major cities are converting to 100% electric fleets, Proterra vehicles have become the most popular electric buses on the road in North America. Proterra has sold more than 900 electric buses to 100 communities across 43 U.S. states and Canadian provinces.  Today, our buses are also deployed at airports, universities, National parks, and companies.

We work hard to offer the best electric vehicle technology and fleet-wide charging solutions to make the transition to 100% electric fleets seamless. Because of our proven experience on the road and turn-key charging infrastructure solutions, our Proterra Powered technology is now being chosen by other industry-leading vehicle manufacturers to electrify commercial vehicles around the world.

Our revolutionary battery-electric transit vehicles help fleet operators abandon fossil fuels, improve environmental quality and reduce operating costs. Together with our customers, we have prevented more than 55 million pounds of greenhouse gases from escaping into the atmosphere and avoided burning some 2 million gallons of fuel.

From Proterra’s state-of-the-art Silicon Valley R&D lab to our manufacturing facilities in Southern California and South Carolina, we are committed to leading the rapid transformation of heavy-duty transportation to 100-percent electric fleets, delivering clean, quiet transportation for all.

Our History

  • Proterra’s Creation
    dale behind wheel of bus

    Proterra was founded by Dale Hill in Golden, Colorado. Proterra began designing its initial prototype bus.

  • The EcoRide
    1 TIMELINE 2008 Product

    Proterra debuts its first bus, the EcoRide, at the American Public Transportation Association’s Annual Meeting.

  • The First Proterra Customer
    1 TIMELINE 2009 Customers

    Proterra sells its first 3 buses in 2009 to Foothill Transit in Pomona, California.

  • Greenville, South Carolina
    1 TIMELINE 2011 Company

    Proterra opened its first factory in Greenville, South Carolina.

  • Sales Growth
    1 TIMELINE 2011 Customers

    Proterra expands sales, landing customers in Texas, Florida, and South Carolina.

  • Customer Momentum
    1 TIMELINE 2012 Customer Momentum WRTA

    Customer momentum continues and Proterra signs its first customer in the Northeast, Worcester WRTA.

  • Altoona Testing
    1 TIMELINE 2015 ProductBreakingRecords 1

    Proterra’s EcoRide became the first heavy-duty electric transit bus to ever pass the Federal Transit Administration’s Altoona testing.

  • Catalyst FC
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    Proterra introduced the Catalyst FC, a fast charge battery configuration option.

  • Retaining and Attracting Customers
    1 TIMELINE 2012 Product

    Proterra surpasses 50 buses sold.

  • New CEO

    Ryan Popple was named CEO of Proterra.

  • Further Validation of ZEV Market
    1 TIMELINE 2012 Customers KCM

    Proterra buses purchased by King County Metro, the 8th largest transit agency in the US.

  • Catalyst XR
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    Proterra released the Catalyst XR, an extended range battery configuration option.

  • Breaking Records
    1 TIMELINE 2015 ProductBreakingRecords 1

    Proterra’s Catalyst model breaks several records at Altoona Bus Research and Testing Center for fuel efficiency, gradeability, weight and acceleration.

  • Silicon Valley Headquarters
    1 TIMELINE 2015 Company

    Proterra transitioned its headquarters to Burlingame, California.

  • ZEV Transit Groundswell
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    Proterra surpasses 100 buses sold as the BEB market expands.

  • The Catalyst E2
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    Proterra introduces the Catalyst E2, setting a new industry precedent for long-range battery-electric buses.

  • New Board Leadership
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    Former two-term Governor of Michigan, Jennifer Granholm, joins Proterra’s board.

  • Proterra’s 1st Chief Legal Officer
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    Proterra names JoAnn Covington, Silicon Valley attorney, as chief legal officer and head of government relations.

  • University of Nevada-Reno
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    Emphasizing safe, intelligent transportation, Proterra begins first autonomous bus program in the United States.

  • CFO with Strong Manufacturing Expertise
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    Former chief financial officer of AMG, Amy Ard, joins Proterra as CFO.

  • Advocating Charging Standards
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    Global charging standardization organization welcomes Proterra as first North American EV bus manufacturer member.

  • Series 6
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    Proterra closes $55 Million Series 6 with Generation Investment Management LLP And BMW i Ventures.

  • West Coast Manufacturing
    1 TIMELINE SoCal

    Proterra opened up its second manufacturing plant in City of Industry, California.

  • Proterra Los Angeles
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    California Governor Brown commemorates new Proterra LA manufacturing facility.

  • RDU 1st Airport Customer
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    Proterra breaks into the airport market with buses sold to Raleigh Durham International Airport.

  • 1st All-Electric BRT
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    San Joaquin Regional Transit District opens first 100 percent electric, zero-emissions bus rapid transit route in the U.S. with Proterra buses.

  • Setting World Record
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    Proterra Catalyst E2 max sets world record and drives 1,101.2 miles—longest distance traveled by any electric vehicle on a single charge.

  • Proterra Partners Win Bulk of FTA Funds
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    Proterra congratulates the winners of FTA Low-No grant funding for battery-electric buses.

  • The DuoPower Drivetrain

    Proterra introduces the DuoPower drivetrain, enabling the Catalyst bus to have industry-leading gradeability, nearly twice horsepower and acceleration and 5X the efficiency of a standard diesel bus.

  • Van Hool
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    Van Hool selects Proterra for its first all-electric motor coach in the North American market.

  • 1st U.S. Federal Agency Customer
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    Yosemite Becomes First U.S. National Park to Purchase Zero-Emission Buses From Proterra

  • Market expansion
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    Proterra expands sales to more than 60 municipal, university, airport, and transit agency customers.

  • Proterra receives prestigious award recognition
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    Proterra is named in the Global Cleantech 100 and receives North American Company of the Year award.

  • Proterra expands technology innovation
    timeline proterra 27

    Proterra introduces new high power interoperable EV charging technology

  • First Canadian customer
    timeline proterra 26

    Proterra enters Canadian market with electric bus order from Toronto.

  • Investment from world’s largest commercial vehicle manufacturer
    timeline proterra 20

    Proterra closes $155 million investment from Daimler, Tao Capital Partners, G2VP and others

  • APEX Introduced
    timeline proterra 21

    Technology innovation continues with introduction of Proterra APEX connected vehicle intelligence system

  • Electric school bus Powered by Proterra
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    Proterra and Thomas Built Buses unveil the Saf-T-Liner eC2 electric school bus

  • First electric buses in Hawaii & NC
    timeline proterra 23

    Proterra customers deploy first electric transit buses in service in Hawaii and North Carolina.

  • Battery Leasing Program
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    Proterra scales battery leasing program to put Proterra buses at price parity with diesel buses.

  • Proterra Energy™ Fleet Solutions
    1 TIMELINE 2019 Energy

    Proterra Energy fleet solutions is announced, offering turnkey energy delivery for heavy-duty electric vehicle fleets.

  • Michelin Collaboration
    1 TIMELINE 2019 Michelin

    Proterra announced a collaboration with Michelin to develop the MICHELIN® X® InCity Energy Z tire, a new low rolling resistance tire designed and optimized for battery-electric buses in urban environments.


Cleantech Group – 2018 Global Cleantech 100 and North American Company of the Year

2018 Clean Air Awards – South Coast Air Quality Management District

2018 Innovative Solutions Award – METRO Magazine

2018 GreenBiz 30 Under 30 – Hayley Cashdollar

Sustainable San Mateo – 2018 Sustainability Award – Large Business of the Year

California Transportation Foundation – 2017 Sustainable Transportation Project of the Year

2017 Finance for Resilience Awards – Proterra Battery Lease Agreements

Cleantech Group – 2017 Global Cleantech 100

Edison Awards – Innovations & Innovators

Cleantech Group – 2015 Global Cleantech 100

Deloitte – Technology Fast 500 2015

Mass Transit – Top 40 Under Forty 2015

Bloomberg New Energy Finance – New Energy Pioneer 2015

World Economic Forum – 2015 Technology Pioneer

Sustainia 100 – Top 100

Global Cleantech – Top 100

FT/Citi Ingenuity Awards – Energy Finalist

The White House – Champions of Change

InnoVision – Technology Award

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