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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 8 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 700 electric buses to 90 communities across 41 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 45 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
    January, 2004

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

  • The EcoRide
    November, 2008

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

  • The First Proterra Customer
    January, 2009

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

  • Greenville, South Carolina
    January, 2011

    Proterra opened its first factory in Greenville, South Carolina.

  • Sales Growth
    February, 2011

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

  • Customer Momentum
    May, 2012

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

  • Altoona Testing
    October, 2012

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

  • Catalyst FC
    January, 2013

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

  • Retaining and Attracting Customers
    June, 2013

    Proterra surpasses 50 buses sold.

  • New CEO
    January, 2014

    Ryan Popple was named CEO of Proterra.

  • Further Validation of ZEV Market
    July, 2014

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

  • Catalyst XR
    February, 2015

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

  • Breaking Records
    September, 2015

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

  • Silicon Valley Headquarters
    October, 2015

    Proterra transitioned its headquarters to Burlingame, California.

  • ZEV Transit Groundswell
    December, 2015

    Proterra surpasses 100 buses sold as the BEB market expands.

  • The Catalyst E2
    September, 2016

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

  • New Board Leadership
    March, 2017

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

  • Proterra’s 1st Chief Legal Officer
    March, 2017

    Proterra names JoAnn Covington, Silicon Valley attorney, as chief legal officer and head of government relations.

  • University of Nevada-Reno
    May, 2017

    Emphasizing safe, intelligent transportation, Proterra begins first autonomous bus program in the United States.

  • CFO with Strong Manufacturing Expertise
    May, 2017

    Former chief financial officer of AMG, Amy Ard, joins Proterra as CFO.

  • Advocating Charging Standards
    June, 2017

    Global charging standardization organization welcomes Proterra as first North American EV bus manufacturer member.

  • Series 6
    June, 2017

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

  • West Coast Manufacturing
    July, 2017

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

  • Proterra Los Angeles
    July, 2017

    California Governor Brown commemorates new Proterra LA manufacturing facility.

  • RDU 1st Airport Customer
    August, 2017

    Proterra breaks into the airport market with buses sold to Raleigh Durham International Airport.

  • 1st All-Electric BRT
    August, 2017

    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
    September, 2017

    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
    September, 2017

    Proterra congratulates the winners of FTA Low-No grant funding for battery-electric buses.

  • The DuoPower Drivetrain
    October, 2017

    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
    October, 2017

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

  • 1st U.S. Federal Agency Customer
    December, 2017

    Yosemite Becomes First U.S. National Park to Purchase Zero-Emission Buses From Proterra

  • Market expansion
    December, 2017

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

  • Proterra receives prestigious award recognition
    January, 2018

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

  • Proterra expands technology innovation
    May, 2018

    Proterra introduces new high power interoperable EV charging technology

  • First Canadian customer
    June, 2018

    Proterra enters Canadian market with electric bus order from Toronto.

  • Investment from world’s largest commercial vehicle manufacturer
    September, 2018

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

  • APEX Introduced
    September, 2018

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

  • Electric school bus Powered by Proterra
    October, 2018

    Proterra and Thomas Built Buses unveil the Saf-T-Liner eC2 electric school bus

  • First electric buses in Hawaii & NC
    January, 2019

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

  • Battery Leasing Program
    April, 2019

    Proterra scales battery leasing program to put Proterra buses at price parity with diesel buses.

  • Proterra Energy™ Fleet Solutions
    May, 2019

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

  • Michelin Collaboration
    May, 2019

    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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