CSI Solar Co., Ltd. engages in the research, development, production, and sale of photovoltaic modules. It operates through the following business segments: Components and Energy. It offers crystalline silicon photovoltaic modules, photovoltaic systems, power stations, large-scale energy storage systems, power station engineering contracting, and power generation services. The company was founded on July 7, 2009 and is headquartered in Suzhou, China.