ZeroAvia Raises $150M in Series D Funding, Extends Cash Runway

ZeroAvia, a British-US technology firm, has secured $150 million in Series D funding to power the next phase of its hydrogen-electric engine development. The investment will extend the company’s cash runway for two years, enabling it to continue industrializing its hydrogen power and propulsion technology for the aviation and defense markets. Barclays Climate Ventures, Breakthrough Energy Ventures, and other investors have backed the round, which will support the development of the company’s ZA600 and ZA2000 engines. ZeroAvia is already supplying its SuperStack Flex modular fuel cell power generation system to the defense sector and is in active customer discussions with eVTOL and fixed-wing commercial players.