JEMA
JEMA S.A. is a Belgian manufacturer of high-performance DC power conversion systems, specializing in custom-engineered, high-precision solutions for demanding applications.
Founded in 1937 and partnering with local universities and customers, JEMA built its reputation in particle accelerator power supplies, where extreme accuracy and reliability are essential.
Today, JEMA applies this expertise to hydrogen production and electrolyser systems, delivering MW-scale rectifiers and power supplies designed for high efficiency, dynamic operation, advanced performance monitoring, and long-term stability. The company also serves medical, big science and industrial electrification, and decarbonization markets. Through close collaboration with customers and research partners, JEMA supports the scaling of green hydrogen, contributing directly to decarbonization and the energy transition.
JEMA S.A. is represented by its CEO Nicolas Bronchart in the HyFlow consortium:
Leading the company since 2019, overseeing strong growth and international expansion
Engineering background complemented by management expertise
Previously held senior leadership roles in technology-driven industrial companies, including IBA, Caterpillar Belgium, and Baxter Healthcare
Invited professor at UCLouvain, contributing to education in quality and industrial management
Local funding agency
