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INVESTMENTS IN AFFILIATES (Details 2) (USD $) | 12 Months Ended |  |  |  |  |  | 0 Months Ended |  | 0 Months Ended | 1 Months Ended | 0 Months Ended | 1 Months Ended |  |
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Dec. 31, 2012 | Dec. 31, 2011 | Dec. 31, 2010 | Dec. 31, 2011 Ningxia GD CSI New Energy Co., Ltd. | Dec. 31, 2012 Suzhou Gaochuangte New Energy Co., Ltd. | Dec. 31, 2011 Suzhou Gaochuangte New Energy Co., Ltd. | Dec. 31, 2011 Nernst New Energy (Suzhou) Co., Ltd. | Dec. 31, 2012 GCL-CSI (Suzhou) Photovoltaic Technology Co., Ltd. | Dec. 31, 2011 GCL-CSI (Suzhou) Photovoltaic Technology Co., Ltd. | May 23, 2012 CSI SkyPower item | Dec. 31, 2012 CSI SkyPower | Oct. 14, 2009 SZCC Ningxia GD CSI New Energy Co., Ltd. item | Mar. 31, 2012 SZCC Ningxia GD CSI New Energy Co., Ltd. | Jul. 04, 2011 SZCC Suzhou Gaochuangte New Energy Co., Ltd. | Dec. 17, 2009 SZCC Suzhou Gaochuangte New Energy Co., Ltd. item | Nov. 30, 2010 SZCC Nernst New Energy (Suzhou) Co., Ltd. | Jul. 04, 2011 SZSP GCL-CSI (Suzhou) Photovoltaic Technology Co., Ltd. | Sep. 25, 2012 USPH 9 utility-scale solar power projects | Sep. 27, 2012 USPH 2 separate utility-scale solar power projects | Sep. 30, 2012 USPH 12 and 3 separate utility-scale solar power projects | Sep. 30, 2012 USPH 12 separate utility-scale solar power projects | Sep. 30, 2012 USPH 3 separate utility-scale solar power projects | Sep. 27, 2012 USPH First utility - scale solar power project | Sep. 27, 2012 USPH Second utility - scale solar power project
Investments in affiliates |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Cash consideration for acquisition of the entity | $ 3,428,751 | $ 5,667,627 | $ 1,503,531 |  |  |  |  |  |  | $ 3,428,751 |  | $ 512,578 |  |  | $ 2,929,020 | $ 1,503,531 | $ 2,548,827 |  |  |  |  |  |  |
Other Significant Noncash Transaction, Value of Consideration Given |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 2,122,255 | 2,204,008 | 11,548,614 |  |  |  |
Percentage of interest acquired in the entity |  |  |  | 35.00% | 40.00% | 40.00% | 50.00% | 10.00% | 10.00% | 50.00% | 50.00% | 35.00% |  |  | 40.00% | 50.00% | 10.00% | 21.00% |  |  | 21.00% | 30.00% | 30.30% | 28.30%
Number of board members designated by the acquired entity |  |  |  |  |  |  |  |  |  | 2 |  | 1 |  |  | 1 |  |  |  |  |  |  |  |  |
Number of board members |  |  |  |  |  |  |  |  |  | 4 |  | 3 |  |  | 3 |  |  |  |  |  |  |  |  |
Interest in the entity sold | 555,475 |  | 2,524,541 |  |  |  |  |  |  |  |  |  | 555,475 |  |  |  |  |  |  |  |  |  |  |
Additional capital contribution paid |  |  |  |  |  |  |  |  |  |  |  |  |  | 3,118,800 |  |  |  |  |  |  |  |  |  |
Equity in earnings (loss) of unconsolidated investees | $ (1,969,306) | $ (41,163) | $ 146,597 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |

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