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INVENTORIES

12 Months Ended

Dec. 31, 2020

INVENTORIES

INVENTORIES

4. INVENTORIES

Inventories consist of the following:

​

​	​	​	​	​
​	​	At December 31,	​	At December 31,
​		2019		2020
​	​	$	​	$
Raw materials		75,722		90,308
Work-in-process		74,105		69,132
Finished goods		404,243		536,541
​		554,070		695,981

​

Finished goods include modules of $84,202 and $181,012 as of December 31, 2019 and 2020, respectively, that allow solar energy systems to qualify for the U.S. Federal Investment Tax Credit by satisfying the 5% safe harbor method outlined in the U.S. Internal Revenue Service (IRS) guidance notice.

In 2018, 2019 and 2020, inventory was written down by $14,646, $19,447 and $42,907, respectively, to reflect the lower of cost and net realizable value.

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- References

No definition available.

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- Definition

The entire disclosure for inventory. Includes, but is not limited to, the basis of stating inventory, the method of determining inventory cost, the classes of inventory, and the nature of the cost elements included in inventory.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 330
-URI http://asc.fasb.org/topic&trid=2126998

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