PROPERTY, PLANT AND EQUIPMENT, NET

12 Months Ended

Dec. 31, 2014

7. PROPERTY, PLANT AND EQUIPMENT, NET

Property, plant and equipment, net consist of the following:

	At December 31, 2013			At December 31, 2014
	$			$
Buildings		179,807,928			182,888,575
Solar power systems		—			75,344,514
Leasehold improvements		5,790,852			6,848,620
Machinery		456,349,087			459,271,771
Furniture, fixtures and equipment		36,549,260			36,526,271
Motor vehicles		2,954,325			3,365,166

		681,451,452			764,244,917
Accumulated depreciation		(283,885,686	)		(349,315,817	)
Impairment		(3,675,254	)		(1,604,737	)

		393,890,512			413,324,363
Construction in process		13,714,467			56,024,846

Property, plant and equipment, net		407,604,979			469,349,209

Depreciation expense of property, plant and equipment was $80,644,322, $79,726,604 and $81,068,252 for the years ended December 31, 2012, 2013 and 2014, respectively. Construction in process primarily represents production facilities under construction and the machinery under installation.

- Definition

The entire disclosure for long-lived, physical assets used in the normal conduct of business and not intended for resale. Includes, but is not limited to, accounting policies and methodology, roll forwards, depreciation, depletion and amortization expense, including composite depreciation, accumulated depreciation, depletion and amortization expense, useful lives and method used, income statement disclosures, assets held for sale and public utility disclosures.

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