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Proc-Type: 2001,MIC-CLEAR
Originator-Name: webmaster@www.sec.gov
Originator-Key-Asymmetric:
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MIC-Info: RSA-MD5,RSA,
 Q6kZbeBF2XkvZaeFEw5zXeEpNw4sX00jBrUpir+cyxJnQM1AOXJ7uoychG52Kds2
 Il76vPx5VNWyYEKT0/qHpA==

<SEC-DOCUMENT>9999999995-08-000901.txt : 20080328
<SEC-HEADER>9999999995-08-000901.hdr.sgml : 20080328
<ACCEPTANCE-DATETIME>20080328001545
ACCESSION NUMBER:		9999999995-08-000901
CONFORMED SUBMISSION TYPE:	EFFECT
PUBLIC DOCUMENT COUNT:		1
FILED AS OF DATE:		20080327
DATE AS OF CHANGE:		20080328
EFFECTIVENESS DATE:		20080327

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			Canadian Solar Inc.
		CENTRAL INDEX KEY:			0001375877
		STANDARD INDUSTRIAL CLASSIFICATION:	SEMICONDUCTORS & RELATED DEVICES [3674]
		IRS NUMBER:				000000000
		STATE OF INCORPORATION:			F4
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		EFFECT
		SEC ACT:		1933 Act
		SEC FILE NUMBER:	333-149497
		FILM NUMBER:		08716643

	BUSINESS ADDRESS:	
		STREET 1:		XIN ZHUANG INDUSTRY PARK, CHANGSHU
		STREET 2:		SUZHOU,
		CITY:			JIANGSU
		STATE:			F4
		ZIP:			215562
		BUSINESS PHONE:		(85-512) 6269-6010

	MAIL ADDRESS:	
		STREET 1:		XIN ZHUANG INDUSTRY PARK, CHANGSHU
		STREET 2:		SUZHOU,
		CITY:			JIANGSU
		STATE:			F4
		ZIP:			215562
</SEC-HEADER>
<DOCUMENT>
<TYPE>EFFECT
<SEQUENCE>1
<FILENAME>primary_doc.xml
<TEXT>
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<?xml version="1.0"?>
<edgarSubmission>

    <schemaVersion>X0101</schemaVersion>

    <submissionType>EFFECT</submissionType>

    <act>33</act>

    <testOrLive>LIVE</testOrLive>

    <effectiveData>
        <finalEffectivenessDispDate>2008-03-27</finalEffectivenessDispDate>
        <finalEffectivenessDispTime>15:00:00</finalEffectivenessDispTime>
        <form>F-3</form>
        <filer>
            <cik>0001375877</cik>
            <entityName>Canadian Solar Inc.</entityName>
            <fileNumber>333-149497</fileNumber>
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