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Advent Technologies Holdings Inc is an innovation-driven company in the fuel cell and hydrogen technology space. The company develops, manufactures, and assembles complete fuel cell systems and the critical components that determine the performance of hydrogen fuel cells and other energy systems. It serves automotive; aviation and power generation industries. It generates revenue from the sale of fuel cell systems and the sale of MEAs, membranes, and electrodes for specific applications in the fuel cell and energy storage (flow battery) markets.
Pineapple Energy Inc provides households with sustainable solar energy, back-up power and security, control and predictability, and cost savings. The company provides a full range of installation services, including the design, engineering, procurement, permitting, construction, grid connection, warranty, monitoring and maintenance of residential solar energy systems. It also offers battery storage to customers in select markets and serves a limited number of enterprise customers.