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SUMMARY OF PRINCIPAL ACCOUNTING POLICIES (Details 2) (USD $) |  |  | 12 Months Ended
--- | --- | --- | ---
Dec. 31, 2012 | Dec. 31, 2011 | Dec. 31, 2012 Buildings | Dec. 31, 2012 Machinery Minimum | Dec. 31, 2012 Machinery Maximum | Dec. 31, 2012 Furniture, fixtures and equipment | Dec. 31, 2012 Motor vehicles
Project assets |  |  |  |  |  |  |
Project assets - Acquisition cost | $ 275,423,447 |  |  |  |  |  |
Project assets - Modules cost | 30,721,957 |  |  |  |  |  |
Project assets - Development cost | 67,037,602 |  |  |  |  |  |
Project assets - Others | 25,964,018 |  |  |  |  |  |
Total Project assets | 399,147,024 |  |  |  |  |  |
Current portion | 180,436,619 | 37,133,068 |  |  |  |  |
Non-current portion | $ 218,710,405 |  |  |  |  |  |
Property, plant and equipment |  |  |  |  |  |  |
Estimated useful lives |  |  | 20 years | 5 years | 10 years | 5 years | 5 years

X
- Details
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- Definition Carrying amount as of the balance sheet date of investments in solar power projects. + References No definition available. + Details
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- Definition Represents the amount of capitalized acquisition cost related to investments in solar power projects. + References No definition available. + Details
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- Definition Represents the amount of capitalized modules costs related to investments in solar power projects. + References No definition available. + Details
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- Definition Represents the amount of capitalized development costs related to investments in solar power projects. + References No definition available. + Details
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- Definition Carrying amount as of the balance sheet date of investments in solar power projects that are expected to be realized before one year or within the operating cycle, if longer. + References No definition available. + Details
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- Definition Carrying amount as of the balance sheet date of investments in solar power projects, which is not expected to be realized within one year or the operating cycle, if longer. + References No definition available. + Details
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- Definition Represents the amount of other capitalized costs related to investments in solar power projects. + References No definition available. + Details
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- Details
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- Definition Useful life of long lived, physical assets used in the normal conduct of business and not intended for resale, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. Examples include, but not limited to, land, buildings, machinery and equipment, office equipment, furniture and fixtures, and computer equipment. + References No definition available. + Details
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