Canadian Solar Inc., together with its subsidiaries, provides solar energy and battery energy storage products and solutions in Asia, the Americas, Europe, and internationally. It operates through two segments, CSI Solar and Recurrent Energy. The CSI Solar segment designs, develops, and manufactures solar ingots, wafers, cells, modules, and other solar power and battery storage products. It also offers standard solar modules and battery storage solutions, solar system kits, such as splar modules, inverters, racking systems, and other accessories; power electronic products; and engineering, procurement, and construction (EPC) services, as well as operates battery energy storage projects.