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ACCOUNTS RECEIVABLE, NET-THIRD PARTIES (Schedule of Accounts Receivable) (Details)
12 Months Ended
Jan. 25, 2016
CNY (¥)
Dec. 31, 2015
USD ($)
Dec. 31, 2015
CNY (¥)
Dec. 31, 2014
CNY (¥)
Dec. 31, 2013
CNY (¥)
Dec. 31, 2012
CNY (¥)
Dec. 31, 2015
CNY (¥)
ACCOUNTS RECEIVABLE, NET-THIRD PARTIES [Abstract]              
Accounts receivables       ¥ 3,546,873,497     ¥ 3,692,432,783
Allowance for doubtful accounts       (428,570,077) ¥ (445,956,167) ¥ (673,671,445) (335,713,383)
Accounts receivable, net   $ 518,188,181   3,118,303,420     3,356,719,400
Amount of accounts receivable pledged as collateral for borrowings             420,422,895
ACCOUNTS RECEIVABLE, NET-THIRD PARTIES [Line Items]              
Accounts receivables balance   518,188,181   3,118,303,420     3,356,719,400
Revenue   $ 2,481,781,084 ¥ 16,076,481,503 9,978,528,648 7,078,838,515    
Generated Electricity Government Subsidy [Member]              
ACCOUNTS RECEIVABLE, NET-THIRD PARTIES [Abstract]              
Accounts receivable, net       150,107,301     572,083,538
ACCOUNTS RECEIVABLE, NET-THIRD PARTIES [Line Items]              
Accounts receivables balance       150,107,301     ¥ 572,083,538
Revenue     ¥ 407,967,079 ¥ 161,778,511 ¥ 2,125,076 ¥ 52,700,759  
Generated Electricity Government Subsidy [Member] | Subsequent event [Member]              
ACCOUNTS RECEIVABLE, NET-THIRD PARTIES [Line Items]              
Revenue ¥ 500,587,260