Hoku Scientific Inc. (HOKU), through its subsidiaries, operates as a materials science company. It focuses on the manufacture of solar-grade polysilicon, which is used in photovoltaic (PV) modules; and design, engineering and installation of turnkey PV systems and related services using solar modules purchased from third-party suppliers. The company also designs, develops and manufactures membranes, and membrane electrode assemblies for proton exchange membrane fuel cells. Its membrane electrode assemblies are designed for the residential primary power, commercial back-up and automotive hydrogen fuel cell markets. The company was formerly known as Pacific Energy Group Inc. and changed its name to Hoku Scientific Inc. in July 2001.
