EXHIBIT 8.1

LIST OF SUBSIDIARIES

(As of April 26, 2013)

Name of Significant Subsidiaries	Place of Incorporation	Ownership Interest
CSI Solartronics (Changshu) Co., Ltd.	People’s Republic of China	100	%
CSI Solar Technologies Inc.	People’s Republic of China	100	%
CSI Solar Manufacture Inc.	People’s Republic of China	100	%
Canadian Solar Manufacturing (Luoyang) Inc., formerly known as CSI Central Solar Power Co., Ltd.	People’s Republic of China	100	%
Canadian Solar Manufacturing (Changshu) Inc., formerly known as Changshu CSI Advanced Solar Inc.	People’s Republic of China	100	%
CSI Cells Co., Ltd.	People’s Republic of China	100	%
Canadian Solar (USA) Inc.	United States of America	100	%
CSI Project Consulting GmbH	Germany	70	%
Canadian Solar Japan K.K.	Japan	90.67	%
Canadian Solar Solutions Inc.	Canada	100	%
CSI Solar Power (China) Inc.	People’s Republic of China	100	%
Canadian Solar EMEA GmbH	Germany	100	%
Canadian Solar Manufacturing (Ontario) Inc.	Canada	100	%
Canadian Solar (Australia) Pty, Ltd.	Australia	100	%
Canadian Solar International Ltd.	Hong Kong	100	%
Canadian Solar O&M (Ontario) Inc.	Canada	100	%
CSI-Cenergy Holdings, LLC	United States of America	62.5	%
Suzhou Sanysolar Materials Technology Co. Ltd.	People’s Republic of China	80	%
Canadian Solar South East Asia Pte., Ltd.	Singapore	100	%
CSI Project Holdco LLC	United States of America	100	%
Canadian Solar Manufacturing (Suzhou) Inc.	People’s Republic of China	61	%
Canadian Solar South Africa Pty., Ltd.	South Africa	100	%
Canadian Solar Brasil Servicos De Consultoria EM Energia Solar Ltda.	Brazil	100	%
Canadian Solar Middle East Ltd.	United Arab Emirates	100	%
Canadian Solar International Project Holding Limited	Hong Kong	100	%
Canadian Solartronics (Suzhou) Co., Ltd.	People’s Republic of China	100	%