Canadian Solar Inc.
CSIQ·NASDAQ·Manufacturing·CIK 0001375877
The company is one of the world's largest solar technology and renewable energy companies. It manufactures solar photovoltaic modules, provides battery energy storage solutions, and develops utility-scale solar power and battery energy storage projects. As of December 31, 2025, the company had delivered approximately 174 GW of solar modules and shipped more than 18 GWh of battery energy storage solutions globally. Its operations span North America, Asia Pacific, Europe, Australia, South America, the Middle East, and Africa.
On December 1, 2025, the company announced a strategic initiative to resume direct oversight of its U.S. operations. This involved forming a new joint venture, CS PowerTech, with its majority-owned subsidiary, CSI Solar. The company holds a 75.1% controlling stake in CS PowerTech, which handles U.S.-based manufacturing and sales of solar modules, solar cells, and advanced energy storage systems.
The Manufacturing segment, including CS PowerTech and CSI Solar, focuses on the design, development, and manufacturing of solar ingots, wafers, cells, modules, and battery energy storage products. Manufacturing facilities are located in the U.S. and Asia Pacific, including China. The company uses a flexible vertically integrated business model, combining internal manufacturing with direct material purchases of ingots, wafers, and cells. As of December 31, 2025, global annual production capacities were 51.3 GW for solar modules, 32.4 GW for cells, 37.0 GW for wafers, and 31.0 GW for ingots. Global annual battery energy storage system manufacturing capacity was 15.0 GWh (single-shift annualized), and battery cell manufacturing capacity was 3.0 GWh (double-shift annualized). The company offers crystalline silicon solar power products, including advanced N-type TOPCon modules, with medium to high power outputs.