PROPERTY, PLANT AND EQUIPMENT, NET (Tables)

12 Months Ended

Dec. 31, 2016

PROPERTY, PLANT AND EQUIPMENT, NET [Abstract]

Schedule of property, plant and equipment. net

	At December 31,
	2015		2016
Buildings	$	218,144,388	$	206,408,397
Leasehold improvement		129,294		129,294
Plant and machinery		793,331,294		722,238,300
Motor vehicles		2,442,337		2,258,912
Office equipment		11,893,297		12,998,049
Power stations		36,737,149		23,170,604
		1,062,677,759		967,203,556
Less: Accumulated depreciation		441,165,827		483,716,135
		621,511,932		483,487,421
Construction in progress		8,950,138		7,767,791
Property, plant and equipment, net	$	630,462,070	$	491,255,212