Canadian Solar, Inc. engages in the design, development, and sale of solar photovoltaic modules. It operates through the following segments: Module, Energy Development, and Electricity Generation. The Module segment manufactures and trades solar power products and system kits. The Energy Development segment includes engineering, procurement, and construction services of solar projects. The Electricity Generation segment operates solar power plants and sells electricity. The company was founded by Shawn Qu in October 2001 and is headquartered in West Guelph, Canada.