For the last 20 years, ACS Steel Group has become a well-known actor of decarbonation. Its first family business, ACS is a boiler making specialized in hydroelectricity. ACS makes very technical unit parts and prototypes for energy markets and R&D mainly. The new entity of the group, SteelHy works together with its partners to design, industrialize, and integrate their storage and distribution systems of renewable energies (hydrogen station, skids, containerization solutions, etc.) and decarbonation solutions for the industry. By investing in R&D and industry 4.0, ACS Steel Group wants to become the French metal leader in the development of a competitive hydrogen and biogas chain of excellence in France and abroad.