Canadian Solar, Inc. engages in the design, development, and sale of solar photovoltaic modules. It offers solar ingots, wafers, cells, modules, and other solar power products. It operates through the Module and Energy segments. The Module segment designs, develops, manufactures, and sells solar power products and solar system kits. The Energy segment consists of solar power project development and sale; engineering, procurement, and construction and development services; operations and maintenance services; and operating solar power projects, and sales of electricity. The company was founded by Shawn Qu in October 2001 and is headquartered in Guelph, Canada.