<SEC-DOCUMENT>0000895421-19-000107-index.html : 20190212
<SEC-HEADER>0000895421-19-000107.hdr.sgml : 20190212
<ACCEPTANCE-DATETIME>20190212121612
ACCESSION NUMBER:		0000895421-19-000107
CONFORMED SUBMISSION TYPE:	SC 13G/A
PUBLIC DOCUMENT COUNT:		1
FILED AS OF DATE:		20190212
DATE AS OF CHANGE:		20190212

SUBJECT COMPANY:	

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			Canadian Solar Inc.
		CENTRAL INDEX KEY:			0001375877
		STANDARD INDUSTRIAL CLASSIFICATION:	SEMICONDUCTORS & RELATED DEVICES [3674]
		IRS NUMBER:				000000000
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		SC 13G/A
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	005-82485
		FILM NUMBER:		19589206

	BUSINESS ADDRESS:	
		STREET 1:		545 SPEEDVALE AVENUE
		STREET 2:		WEST GUELPH
		CITY:			ONTARIO
		STATE:			A6
		ZIP:			N1K 1E6
		BUSINESS PHONE:		(86-512) 6690-8088

	MAIL ADDRESS:	
		STREET 1:		NO. 199 LUSHAN ROAD, SUZHOU NEW DISTRICT
		STREET 2:		SUZHOU
		CITY:			JIANGSU
		STATE:			F4
		ZIP:			215129

FILED BY:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			MORGAN STANLEY
		CENTRAL INDEX KEY:			0000895421
		STANDARD INDUSTRIAL CLASSIFICATION:	SECURITY BROKERS, DEALERS & FLOTATION COMPANIES [6211]
		IRS NUMBER:				363145972
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		SC 13G/A

	BUSINESS ADDRESS:	
		STREET 1:		1585 BROADWAY
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10036
		BUSINESS PHONE:		212-761-4000

	MAIL ADDRESS:	
		STREET 1:		1585 BROADWAY
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10036

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	MORGAN STANLEY DEAN WITTER & CO
		DATE OF NAME CHANGE:	19980326

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	DEAN WITTER DISCOVER & CO
		DATE OF NAME CHANGE:	19960315
</SEC-HEADER>
<DOCUMENT>
<TYPE>SC 13G/A
<SEQUENCE>1
<FILENAME>canadiansolarinc.txt
<DESCRIPTION>MS AMENDMENT
<TEXT>
Document 1 - file: canadiansolarinc.txt

</DOCUMENT>
</SEC-DOCUMENT>