Proterra

About

Proterra is a private headquartered in Burlingame, United States with approximately 500-1000 employees specializing in Energy Storage.

Proterra designs and manufactures advanced battery technology for the electrification of heavy-duty transportation and equipment. The company offers scalable, modular battery platforms ranging from 40 kWh to over 200 kWh, engineered for commercial vehicles including transit buses, Class 8 trucks, medium-duty vehicles, specialty vehicles, school buses, and off-highway equipment. Products include Onyx Slate (traditional configuration for larger vehicles) and Onyx Strata (compact configuration for space-constrained applications). The company emphasizes safety through ballistic-grade enclosures, active and passive safety features, and rigorous in-house testing. Proterra provides comprehensive support spanning design integration, software interfaces, thermal management, safety compliance, OEM training, and after-sale servicing. The company maintains a coast-to-coast U.S. presence and is positioned as an independent business in partnership with Volvo.

Products