BORROWINGS (Tables)

12 Months Ended

Dec. 31, 2017

BORROWINGS

Schedule of bank borrowings

	At December 31, 2016		At December 31, 2017
	$		$
Bank borrowings		1,960,893		2,043,974
Analysis as:
Short-term		902,348		829,035
Long-term, current portion		675,857		860,954
Subtotal for short-term		1,578,205		1,689,989
Long-term, non-current portion		382,688		353,985
Borrowings from non-banking institutions		132,595		318,122
Analysis as:
Short-term		—		270
Long-term, current portion		21,828		267,496
Subtotal for short-term		21,828		267,766
Long-term, non-current portion		110,767		50,356
Total		2,093,488		2,362,096

Schedule of the Company's short-term borrowings

	At December 31, 2016		At December 31, 2017
	$		$
Bank borrowings
Short-term bank borrowings secured by restricted cash		266,685		267,507
Short-term bank borrowings secured by inventories		46,408		7,652
Short-term bank borrowings secured by prepaid land use rights and property, plant and equipment		211,263		248,502
Short-term bank borrowings secured by project assets and solar power systems		82,079		2,700
Unsecured short-term borrowings		295,913		302,674
Long-term borrowings due within one year
Long-term borrowings due within one year secured by prepaid land use rights and property, plant and equipment		16,919		8,313
Long-term borrowings due within one year secured by project assets and solar power systems		630,696		690,283
Long-term bank borrowings due within one year secured by equity		18,765		151,000
Unsecured long-term borrowings due within one year		9,477		11,358
		1,578,205		1,689,989
Borrowings from non-banking institutions
Short-term borrowings secured by project assets		—		270
Long-term borrowings due within one year secured by project assets		2,640		205,873
Unsecured long-term borrowings due within one year		19,188		61,623
		21,828		267,766
Total		1,600,033		1,957,755

Schedule of the Company's long-term borrowings

	At December 31, 2016		At December 31, 2017
	$		$
Bank borrowings
Unsecured long-term bank borrowings		—		87,852
Long-term bank borrowings secured by project assets and solar power systems		27,100		24,640
Long-term bank borrowings secured by property, plant and equipment		15,588		83,329
Long-term bank borrowings secured by equity		340,000		150,000
Long-term borrowings secured by inventory		—		8,164
		382,688		353,985
Borrowings from non-banking institutions
Long-term borrowings secured by project assets and solar power systems		49,767		—
Unsecured long-term borrowings		61,000		50,356
		110,767		50,356
Total		493,455		404,341

Schedule of future principal repayments on the long-term borrowings

2018		1,128,450
2019		332,956
2020		42,775
2021		12,873
2022		5,637
Thereafter		10,100
Total		1,532,791
Less: future principal repayment related to long-term borrowings, current portion		(1,128,450	)
Total long-term portion	$	404,341

Schedule of interest incurred

	Years Ended December 31
	2015		2016		2017
	$		$		$
Interest capitalized—project assets		102		47,881		13,274
Interest capitalized—solar power systems		23,328		3,113		—
Interest capitalized—property, plant and equipment		912		819		1,010
Interest expense		54,148		69,723		117,971
Total interest incurred		78,490		121,536		132,255