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COMMITMENTS AND CONTINGENCIES (Details 2) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2015 | Dec. 31, 2014 | Dec. 31, 2013
Supply purchase commitments |  |  |
Total purchases under the long-term agreements | $ 1,480,120 | $ 143,197 | $ 213,833
Future minimum obligation using market prices under all supply agreements |  |  |
2016 | 428,252 |  |
2017 | 529,585 |  |
2018 | 522,283 |  |
Total | 1,480,120 |  |
Property, plant and equipment purchase commitments |  |  |
Property, plant and equipment purchase commitments |  |  |
Commitments | 61,879 |  |
Solar power systems purchase commitments |  |  |
Property, plant and equipment purchase commitments |  |  |
Commitments | $ 473,143 |  |

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