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Appendix 1 - Major Subsidiaries of CSI (Details) | 12 Months Ended
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Dec. 31, 2012
CSI Solartronics (Changshu) Co., Ltd. |
Major Subsidiaries of CSI |
Attributable Equity Interest Held (as a percent) | 100.00%
CSI Solar Technologies Inc. |
Major Subsidiaries of CSI |
Attributable Equity Interest Held (as a percent) | 100.00%
CSI Solar Manufacture Inc. |
Major Subsidiaries of CSI |
Attributable Equity Interest Held (as a percent) | 100.00%
Canadian Solar Manufacturing (Luoyang) Inc. |
Major Subsidiaries of CSI |
Attributable Equity Interest Held (as a percent) | 100.00%
Canadian Solar Manufacturing (Changshu) Inc. |
Major Subsidiaries of CSI |
Attributable Equity Interest Held (as a percent) | 100.00%
CSI Cells Co., Ltd. |
Major Subsidiaries of CSI |
Attributable Equity Interest Held (as a percent) | 100.00%
Canadian Solar (USA) Inc. |
Major Subsidiaries of CSI |
Attributable Equity Interest Held (as a percent) | 100.00%
CSI Project Consulting GmbH |
Major Subsidiaries of CSI |
Attributable Equity Interest Held (as a percent) | 70.00%
Canadian Solar Japan K.K. |
Major Subsidiaries of CSI |
Attributable Equity Interest Held (as a percent) | 90.67%
Canadian Solar Solutions Inc. |
Major Subsidiaries of CSI |
Attributable Equity Interest Held (as a percent) | 100.00%
CSI Solar Power (China) Inc. |
Major Subsidiaries of CSI |
Attributable Equity Interest Held (as a percent) | 100.00%
Canadian Solar EMEA GmbH |
Major Subsidiaries of CSI |
Attributable Equity Interest Held (as a percent) | 100.00%
Canadian Solar Manufacturing (Ontario) Inc. |
Major Subsidiaries of CSI |
Attributable Equity Interest Held (as a percent) | 100.00%
Canadian Solar (Australia) Pty., Ltd. |
Major Subsidiaries of CSI |
Attributable Equity Interest Held (as a percent) | 100.00%
Canadian Solar International Ltd. |
Major Subsidiaries of CSI |
Attributable Equity Interest Held (as a percent) | 100.00%
Canadian Solar O&M (Ontario) Inc. |
Major Subsidiaries of CSI |
Attributable Equity Interest Held (as a percent) | 100.00%
CSI-Cenergy Holdings, LLC |
Major Subsidiaries of CSI |
Attributable Equity Interest Held (as a percent) | 62.50%
CSI Project Holdco, LLC |
Major Subsidiaries of CSI |
Attributable Equity Interest Held (as a percent) | 100.00%
Suzhou Sanysolar Materials Technology Co., Ltd. |
Major Subsidiaries of CSI |
Attributable Equity Interest Held (as a percent) | 80.00%
Canadian Solar South East Asia Pte., Ltd. |
Major Subsidiaries of CSI |
Attributable Equity Interest Held (as a percent) | 100.00%
CSI Project Holdco, LLC |
Major Subsidiaries of CSI |
Attributable Equity Interest Held (as a percent) | 100.00%
Canadian Solar Manufacturing (Suzhou) Inc |
Major Subsidiaries of CSI |
Attributable Equity Interest Held (as a percent) | 61.00%
Canadian Solar South Africa Pty., Ltd. |
Major Subsidiaries of CSI |
Attributable Equity Interest Held (as a percent) | 100.00%
Canadian Solar Brasil Servicos De Consultoria EM Energia Solar Ltd |
Major Subsidiaries of CSI |
Attributable Equity Interest Held (as a percent) | 100.00%
Canadian Solar Middle East Limited |
Major Subsidiaries of CSI |
Attributable Equity Interest Held (as a percent) | 100.00%

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- Definition Percentage of subsidiary's or equity method investee's stock owned by parent immediately after all stock transactions. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Staff Accounting Bulletin (SAB) -Number Topic 5 -Section H + Details
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