Proterra Inc. provides commercial vehicles in the United States, the European Union, Canada, the United Kingdom, Australia, Japan, and Türkiye. The company's Proterra Powered & Energy business unit offers battery systems and electrification solutions for commercial vehicle original equipment manufacturer (OEM) customers serving delivery trucks, school buses, coach buses, construction and mining equipment, and other applications; and turnkey fleet-scale, high-power charging solutions and software services, ranging from fleet and energy management software-as-a-service to fleet planning, hardware, infrastructure, installation, utility engagement, and charging optimization. Its Proterra Transit business unit designs, develops, manufactures, and sells electric transit buses as an OEM for North American public transit agencies, airports, universities, and other commercial transit fleets. The company was founded in 2004 and is headquartered in Burlingame, California. On August 07, 2023, Proterra Inc., along with its affiliate, filed a voluntary petition for reorganization under Chapter 11 in the U.S. Bankruptcy Court for the District of Delaware.