OCI History


OCI Company Ltd., OCI Solar Power’s parent company, founded in Seoul, South Korea. The global company’s portfolio spans more than five decades in the fields of renewable energy, fine chemicals and insulation materials.


OCI Chemical Corporation produced natural soda ash, sodium percarbonate and hydrogen peroxide with North American facilities in Green River, Wyoming; Decatur, Alabama and Columbus, Mississippi.


OCI Company Ltd. launches commercial production of 9-nine grade polysilicon and later offers 10-nine and 11-nine grade polysilicon as a primary raw material used by more than 50 leading PV solar companies around the world. In 2011, OCI Company Ltd. became world’s No. 1 polysilicon supplier with total annual production capacity of 42,000 tons.


OCI Solar Power LLC was founded in 2011. As of 2015, OCI Solar Power has over 500 MW of solar PV projects in operation or under development. In 2015, OCI opens $130 million Mission Solar Energy manufacturing plant in San Antonio, Texas, with capability of manufacturing 200 MW of N-Type and P-Type PV cells and modules for utility customers.