Canadian Solar Inc. CSIQ

What this company does

Canadian Solar Inc. manufactures solar photovoltaic modules, provides battery energy storage solutions, and develops utility-scale solar power and battery energy storage projects. Its global footprint spans North America, Asia Pacific, Europe, Australia, South America, the Middle East and Africa. As of December 31, 2025, it had delivered approximately 174 GW of solar modules to customers worldwide and shipped more than 18 GWh of battery energy storage solutions. Its customer base includes active customers in more than 160 countries. In 2025, its top five customers accounted for 17.4% of its total net revenues, while its largest customer accounted for 4.5%. Its Manufacturing segment focuses on the design, development and manufacturing of solar ingots, wafers, cells, modules and battery energy storage products, operating manufacturing facilities in the U.S. and Asia Pacific, including China. Its Recurrent Energy segment develops, builds, sells and operates solar power and battery energy storage projects, while also providing power services and asset management. Canadian Solar Inc. was incorporated under the laws of the Province of Ontario, Canada, in October 2001, and became a publicly traded company on the Nasdaq under the ticker symbol "CSIQ" following its initial public offering on November 9, 2006.

Written from the business description in Canadian Solar Inc.'s annual report to the U.S. Securities and Exchange Commission, filed 10 April 2026. Every sentence was checked against that document before publication.