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SOLAR POWER SYSTEMS, NET

12 Months Ended

Dec. 31, 2017

SOLAR POWER SYSTEMS, NET

SOLAR POWER SYSTEMS, NET

9. SOLAR POWER SYSTEMS, NET

        Solar power systems, net consist of the following:

		At December 31, 2016			At December 31, 2017
		$			$
Solar power systems in operation			120,935			74,488
Solar power systems under construction			4,782			4,710
Accumulated depreciation			(13,655	)		(15,234	)
​	​	​	​	​	​	​	​
Solar power systems, net			112,062			63,964
​	​	​	​	​	​	​	​
​	​	​	​	​	​	​	​

        For the years ended December 31, 2017, the Company completed construction of certain solar power projects and transferred from solar power systems to project assets totaling $4.8 million. In connection with decisions to sell certain operating solar power projects, the Company reclassified solar power systems of $42.0 million to assets held-for-sale, of which $40.8 million was sold, during the year ended December 31, 2017. Depreciation expense of solar power systems was $11,340, $16,492 and $5,683 for the years ended December 31, 2015, 2016 and 2017, respectively.

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The entire disclosure for solar power systems used in the normal conduct of business. Includes, but is not limited to, accounting policies and methodology, roll forwards, depreciation, depletion and amortization expense.

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