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UQM Technologies and Proterra complete new 3-year electric propulsion system supply agreement for electric buses

UQM Technologies, Inc. and Proterra, Inc. have reached a long-term supply agreement that continues the role of UQM as the exclusive supplier of electric propulsion systems to the maker of battery-electric buses. Under the new agreement, Proterra will purchase the recently released UQM PowerPhase HD 220 electric propulsion system.(Earlier post.)

The Proterra all-electric EcoRide BE35 holds 63 passengers (33 seated) and features a lightweight composite body. The UQM PowerPhase HD 220 electric propulsion system powering the bus produces peak torque of 700 N·m (516 lb-ft) and peak power of 220 kW.

The UQM PowerPhase HD 220 electric propulsion system was designed specifically for commercial vehicle use.

Proterra buses have been, or soon will, be in operation in the following cities: Pomona, CA; San Antonio, TX; Tallahassee, FL; Seneca, SC; Reno, NV; Worcester, MA and Stockton, CA.

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