1s1 Energy, a US- and Portugal-based start-up founded in 2019, is among those electrolyzer ventures in prime position to capitalize on wider market dynamics and take center stage if it manages to bring its next generation PEM (Proton Exchange Membrane) electrolyzer to market with an economically viable method. History Founded by Daniel Sobek (CEO), Sukanta Bhattacharyya (CTO), Thiago Figueiredo (CBO), and Don Tilley (Professor at University of California, Berkeley), the company is still at the early stages of commercialization, with the first pilot agreement having taken shape in 2023 with Enel Green Power – 1s1 Energy brought a 2 kW, 300 cm2 active area design to the table. In 2020, the company formulated its first boron-based membranes, initiated its first…