    <SEC-DOCUMENT>0001104659-19-069729-index.html : 20191204
    <SEC-HEADER>0001104659-19-069729.hdr.sgml : 20191204
    <ACCEPTANCE-DATETIME>20191204062615
    ACCESSION NUMBER:		0001104659-19-069729
    CONFORMED SUBMISSION TYPE:	6-K
    PUBLIC DOCUMENT COUNT:		57
    CONFORMED PERIOD OF REPORT:	20191231
    FILED AS OF DATE:		20191204
    DATE AS OF CHANGE:		20191204

    FILER:

    	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:		6-K
    		SEC ACT:		1934 Act
    		SEC FILE NUMBER:	001-33107
    		FILM NUMBER:		191267315

    	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
    </SEC-HEADER>
    <DOCUMENT>
    <TYPE>6-K
    <SEQUENCE>1
    <FILENAME>a19-24389_16k.htm
    <DESCRIPTION>6-K
    <TEXT>
    Document 1 - file: a19-24389_16k.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>EX-99.1
    <SEQUENCE>2
    <FILENAME>a19-24389_1ex99d1.htm
    <DESCRIPTION>EX-99.1
    <TEXT>
    Document 2 - file: a19-24389_1ex99d1.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>3
    <FILENAME>g243891mm03i001.gif
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 3 - file: g243891mm03i001.gif

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>4
    <FILENAME>g243891mm03i002.gif
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 4 - file: g243891mm03i002.gif

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>5
    <FILENAME>g243891mm03i003.gif
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 5 - file: g243891mm03i003.gif

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>6
    <FILENAME>g243891mm03i004.gif
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 6 - file: g243891mm03i004.gif

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>7
    <FILENAME>g243891mm03i005.gif
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 7 - file: g243891mm03i005.gif

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>8
    <FILENAME>g243891mm03i006.gif
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 8 - file: g243891mm03i006.gif

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>9
    <FILENAME>g243891mm03i007.gif
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 9 - file: g243891mm03i007.gif

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>10
    <FILENAME>g243891mm03i008.gif
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 10 - file: g243891mm03i008.gif

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>11
    <FILENAME>g243891mm03i009.gif
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 11 - file: g243891mm03i009.gif

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>12
    <FILENAME>g243891mm03i010.gif
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 12 - file: g243891mm03i010.gif

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>13
    <FILENAME>g243891mm03i011.gif
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 13 - file: g243891mm03i011.gif

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>14
    <FILENAME>g243891mm03i012.gif
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 14 - file: g243891mm03i012.gif

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>15
    <FILENAME>g243891mm03i013.gif
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 15 - file: g243891mm03i013.gif

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>16
    <FILENAME>g243891mm03i014.gif
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 16 - file: g243891mm03i014.gif

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>17
    <FILENAME>g243891mm03i015.gif
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 17 - file: g243891mm03i015.gif

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>18
    <FILENAME>g243891mm03i016.gif
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 18 - file: g243891mm03i016.gif

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>19
    <FILENAME>g243891mm03i017.gif
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 19 - file: g243891mm03i017.gif

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>20
    <FILENAME>g243891mm03i018.gif
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 20 - file: g243891mm03i018.gif

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>21
    <FILENAME>g243891mm03i019.gif
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 21 - file: g243891mm03i019.gif

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>22
    <FILENAME>g243891mm03i020.gif
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 22 - file: g243891mm03i020.gif

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>23
    <FILENAME>g243891mm03i021.gif
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 23 - file: g243891mm03i021.gif

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>24
    <FILENAME>g243891mm03i022.gif
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 24 - file: g243891mm03i022.gif

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>25
    <FILENAME>g243891mm03i023.gif
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 25 - file: g243891mm03i023.gif

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>26
    <FILENAME>g243891mm03i024.gif
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 26 - file: g243891mm03i024.gif

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>27
    <FILENAME>g243891mm03i025.gif
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 27 - file: g243891mm03i025.gif

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>28
    <FILENAME>g243891mm03i026.gif
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 28 - file: g243891mm03i026.gif

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>29
    <FILENAME>g243891mm03i027.gif
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 29 - file: g243891mm03i027.gif

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>30
    <FILENAME>g243891mm03i028.gif
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 30 - file: g243891mm03i028.gif

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>31
    <FILENAME>g243891mm03i029.gif
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 31 - file: g243891mm03i029.gif

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>32
    <FILENAME>g243891mm01i001.gif
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 32 - file: g243891mm01i001.gif

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>33
    <FILENAME>g243891mm01i002.gif
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 33 - file: g243891mm01i002.gif

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>34
    <FILENAME>g243891mm01i003.gif
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 34 - file: g243891mm01i003.gif

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>35
    <FILENAME>g243891mm01i004.gif
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 35 - file: g243891mm01i004.gif

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>36
    <FILENAME>g243891mm01i005.gif
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 36 - file: g243891mm01i005.gif

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>37
    <FILENAME>g243891mm01i006.gif
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 37 - file: g243891mm01i006.gif

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>38
    <FILENAME>g243891mm01i007.gif
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 38 - file: g243891mm01i007.gif

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>39
    <FILENAME>g243891mm01i008.gif
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 39 - file: g243891mm01i008.gif

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>40
    <FILENAME>g243891mm01i009.gif
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 40 - file: g243891mm01i009.gif

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>41
    <FILENAME>g243891mm01i010.gif
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 41 - file: g243891mm01i010.gif

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>42
    <FILENAME>g243891mm01i011.gif
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 42 - file: g243891mm01i011.gif

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>43
    <FILENAME>g243891mm01i012.gif
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 43 - file: g243891mm01i012.gif

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>44
    <FILENAME>g243891mm01i013.gif
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 44 - file: g243891mm01i013.gif

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>45
    <FILENAME>g243891mm01i014.gif
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 45 - file: g243891mm01i014.gif

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>46
    <FILENAME>g243891mm01i015.gif
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 46 - file: g243891mm01i015.gif

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>47
    <FILENAME>g243891mm01i016.gif
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 47 - file: g243891mm01i016.gif

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>48
    <FILENAME>g243891mm01i017.gif
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 48 - file: g243891mm01i017.gif

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>49
    <FILENAME>g243891mm01i018.gif
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 49 - file: g243891mm01i018.gif

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>50
    <FILENAME>g243891mm01i019.gif
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 50 - file: g243891mm01i019.gif

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>51
    <FILENAME>g243891mm01i020.gif
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 51 - file: g243891mm01i020.gif

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>52
    <FILENAME>g243891mm01i021.gif
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 52 - file: g243891mm01i021.gif

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>53
    <FILENAME>g243891mm01i022.gif
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 53 - file: g243891mm01i022.gif

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>54
    <FILENAME>g243891mm01i023.gif
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 54 - file: g243891mm01i023.gif

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>55
    <FILENAME>g243891mm01i024.gif
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 55 - file: g243891mm01i024.gif

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>56
    <FILENAME>g243891mm01i025.gif
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 56 - file: g243891mm01i025.gif

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>57
    <FILENAME>g243891mm01i026.gif
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 57 - file: g243891mm01i026.gif

    </DOCUMENT>
    </SEC-DOCUMENT>