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ORGANIZATION AND PRINCIPAL ACTIVITIES | 12 Months Ended
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Dec. 31, 2015
ORGANIZATION AND PRINCIPAL ACTIVITIES |
ORGANIZATION AND PRINCIPAL ACTIVITIES | 1. ORGANIZATION AND PRINCIPAL ACTIVITIES Canadian Solar Inc. ("CSI") was incorporated pursuant to the laws of the Province of Ontario in October 2001, and changed its jurisdiction by continuing under the Canadian federal corporate statute, the Canada Business Corporations Act, or CBCA, effective June 1, 2006. CSI and its subsidiaries (collectively, the "Company") design, develop, and manufacture solar wafers, cells and solar power products. In recent years, the Company has increased investment in, and management attention on its total solutions business, which consists primarily of solar power project development, engineering, procurement and construction, or EPC, services, operating and maintenance, or O&M, services, electricity revenue generation and sales of solar system kits. As of December 31, 2015, major subsidiaries of CSI are included in Appendix 1.

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