EXHIBIT 21.1 List of Subsidiaries CSI Solartronics (Changhsu) Co., Ltd., incorporated in the People's Republic of China CSI Solar Manufacture Inc., incorporated in the People's Republic of China CSI Solar Technologies Inc.., incorporated in the People's Republic of China CSI Central Solar Power Co., Ltd., incorporated in the People's Republic of China CSI Solarchip International Co., Ltd., incorporated in the People's Republic of China Changshu CSI Advanced Solar Inc., incorporated in the People's Republic of China