Exhibit 8.1

List of Our Subsidiaries

(Unless otherwise indicated, all holdings are 100%)

• Bright Path Holdings Limited, incorporated in the British Virgin Islands

• Hong Kong Kuttler Automation Systems (Suzhou) Co., Ltd, incorporated in Hong Kong (99% interest)

• Jiangsu Suntech Energy Technology Co., Ltd., incorporated in the PRC (90% interest)

• KSL-Kuttler Automation Systems GmbH, incorporated in Germany

• Kuttler Automation Systems (Suzhou) Co., Ltd., incorporated in the PRC

• Luoyang Suntech Power Co., Ltd., incorporated in the PRC (88.2% interest)

• MSK Corporation, incorporated in Japan

• Power Solar System Co., Ltd., incorporated in the British Virgin Islands

• Power Solar System Pty. Ltd., incorporated in Australia (in the process of being liquidated)

• Qinghai Suntech Nima Power Co., Ltd., incorporated in the PRC (51% interest)

• Shenzhen Suntech Power Co., Ltd., incorporated in the PRC (80% interest)

• Sunergy Power Co., Ltd., incorporated in the PRC

• Suntech America, Inc., incorporated in the United States

• Suntech Australia Pty Ltd., incorporated in Australia

• Suntech Energy Engineering Co., Ltd., incorporated in the PRC

• Suntech Energy Solutions, Inc., incorporated in the United States

• Suntech Europe Ltd., incorporated in Switzerland

• Suntech Power (Cyprus) Co Ltd, incorporated in Cyprus

• Suntech Power (Hong Kong) Co., Ltd., incorporated in the British Virgin Islands

• Suntech Power (Korea) Co. Ltd., incorporated in Korea

• Suntech Power Australia Pty Ltd, incorporated in Australia

• Suntech Power Co., Ltd., incorporated in the PRC

• Suntech Power Development Co., Inc., incorporated in the United States

• Suntech Power GmbH & Co. KG, incorporated in Germany

• Suntech Power Holding GmbH, incorporated in Germany

• Suntech Power Hong Kong Limited, incorporated in Hong Kong

• Suntech Power International Ltd, incorporated in Switzerland

• Suntech Power Investment Pte. Ltd., incorporated in Singapore

• Suntech Power Italy Co., Srl, incorporated in Italy

• Wuxi Suntech Power Co., Ltd., incorporated in the PRC

• Xinjiang Suntech Energy Engineering Co., Ltd., incorporated in the PRC

• Yangzhou Suntech Power Co. Ltd, incorporated in the PRC