Hoku Corporation is a solar energy products and services company. The Company focused on the design and development of fuel cell technologies, including Hoku membrane electrode assemblies (MEAs) and Hoku Membranes. The Company has three business units: Hoku Materials and Hoku Solar. The Company’s solar integration business focuses on the turnkey delivery of commercial, industrial and utility-scale PV projects, both roof- and ground-mounted. Hoku Corporation installed the first 16 out of a planned total order of 28 Siemens-process reactors at the Polysilicon Plant. The Company is a provider in PV system installations. It focuses on designing, engineering and installing turnkey PV systems and related services in Hawaii using solar modules purchased from third-party suppliers. As of March 31, 2011, it produced polysilicon using two of the 16 reactors. The primary purpose of the testing was to confirm system integrity and validate operating procedures.