Canadian Solar to start mass production of TOPCon modules in 2023

The solar group Canadian Solar Inc. respectively its subsidiary CSI Solar Co. Ltd. announces the start of mass production of solar modules with TOPCon cells (Tunnel Oxide Passivated Contact) for the first quarter of 2023. According to the company, the cells made of negatively doped (N-type) wafers achieve around 25 percent efficiency, and the TOPCon product portfolio includes modules with bifacial cells of 182 millimeters edge length and 55 to 570 watts output (TOPBiHiKu6) and with monofacial cells and 420 to 575 watts (TOPHiKu6). The TOPBiHiKu7 series with 210-millimeter cells and 615 to 690 watts is scheduled to enter mass production in the second quarter.
CSI expects TOPCon to account for 30 percent of total production in 2023. This is estimated at 30 to 35 gigawatts (GW) in the latest quarterly report. The company currently has an annual capacity of just over 17 GW for cells and 31 GW for modules, which is expected to increase to 35 and 50 GW, respectively, by the end of 2023.

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