Proterra Raises $55M in Strategic Financing to Meet Customer Demand


With the purchase of buses by King County Metro, Seattle joins the growing roster of U.S. metropolitan areas employing zero-emission, EV transit buses from Proterra Inc.

Proterra Catalyst battery electric bus

Proterra EV Bus With Electrifying Appearance

Proterra EV Bus With Electrifying Appearance

Proterra, based in Greenville, SC (headquarter and manufacturing plant), is ready for future expansion of its electric bus business.

The company recently announced the addition of $55 million of liquidity. That should help to leverage production and sales of its new Catalyst 40-foot buses.

“Proterra has closed a $30 million Series 4 equity round led by $19 million from several new strategic investors. The existing major investors in Proterra added $11 million of equity.”

Michael Linse, a partner at KPCB and Proterra board member said:

“Increasingly Proterra’s products and technology are earning industry credibility as fleet customers place second, third, and fourth orders for Proterra’s zero emission transit vehicles. And while the company has made great strides within the last year, we’re really looking forward to supporting Proterra through this next stage of expansion.”

$30 million out of $55 million comes from existing and new investors, while the additional $25 million is a debt financing to fund second manufacturing facility in California:

“In conjunction with the equity financing, Proterra has completed a debt financing in an amount up to $25 million with Hercules Technology Growth Capital, Inc. (NYSE: HTGC). The strategic debt financing will provide long-term debt capital to fully fund Proterra’s new Advanced Manufacturing facility in California, which was recently awarded a California Energy Commission grant to support clean vehicle technology growth.  In addition, the Hercules debt facility expands Proterra’s access to working capital, a critical component of growth financing as production volume increases.

By simultaneously securing a strategic debt facility and a large growth equity financing, Proterra will finish the second quarter of 2015 fully funded to expand into the West Coast markets through its new California manufacturing center, ramp production to meet growing demand, and continue to invest heavily in future generations of EV transit technology.”

Ryan Popple, Proterra CEO said:

“This is a pivotal time for Proterra as we launch the latest generation of our technology and double our production capacity. We’re appreciative to have such strong investor interest and confident in the company’s ability to deliver strong results for all.  Our new and existing investors are supportive of both our need to increase capacity as well as continue to lead the market in steadily improving and perfecting EV technology for transit.  These financings are a powerful source of growth capital and will accelerate the adoption of EV technology in transit.”

Proterra currently offers both short range, fast charge buses and long range buses:

Catalyst™ Platform

Our Catalyst™ 40-foot bus has built on the innovative heritage of the EcoRide and taken it to another level. Our TerraVolt™ Fast-Charge system is the world’s first 40-foot battery-electric bus with fast-charge technology and can operate 24/7 without conventional refueling. It’s also up to 500% more fuel-efficient than a typical diesel or CNG bus – resulting in tremendous operating cost savings. Using its on-route, fast-charging technology, Proterra has demonstrated that its electric bus can travel over 700 miles in a 24 hour period, alleviating customer concerns about limited range in Proterra’s electric buses.

Our new product, the TerraVolt™ Extended-Range 40-foot bus, is built on the same Catalyst™ Fast-Charge platform. The TerraVolt™ Extended Range allows you to travel longer distances, able to store between 53 kWh and 321 kWh on a single charge. Rather than charging on-route, the TerraVolt™ Extended Range utilizes an in-depot charger once it’s finished its deployment. Charging the bus off-peak hours increases the already impressive fuel savings”

Proterra Fuel Efficiency

Proterra Fuel Efficiency

Category: Bus

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7 responses to "Proterra Raises $55M in Strategic Financing to Meet Customer Demand"
  1. mr. M says:

    Take off and rise all of you electric trucks

  2. jelloslug says:

    They are even nice enough to have free public charging stations at their headquarters.

  3. Mikael says:

    “…and double our production capacity. ”

    What will the production capacity be after the investments? 30 buses per year? 50? 100?

    1. ItsNotAboutTheMoney says:

      “The company can produce about one bus a week at its Greenville factory, Popple says.”

      1. Mikael says:

        So going from 50 per year to a 100 then. Thank you. 🙂

        Still an extremely tiny company, but every EV counts.

  4. Mister G says:

    I hope there aren’t any confederate flags on the bus.

    1. finecadmin says:

      Production rates are semi-custom, not commodified, and Proterra is basically a coachbuilder. Haggle it out and they might put an ISIS flag on a bus for an upcharge.