-----BEGIN PRIVACY-ENHANCED MESSAGE-----
Proc-Type: 2001,MIC-CLEAR
Originator-Name: webmaster@www.sec.gov
Originator-Key-Asymmetric:
 MFgwCgYEVQgBAQICAf8DSgAwRwJAW2sNKK9AVtBzYZmr6aGjlWyK3XmZv3dTINen
 TWSM7vrzLADbmYQaionwg5sDW3P6oaM5D3tdezXMm7z1T+B+twIDAQAB
MIC-Info: RSA-MD5,RSA,
 Lrp9PG7TTlwoWOweKZvlwv2ba12/E1NXTvxp2UhXGMRpeaawR4kcHywDioY1PlXw
 /tcbl28+9i8eVqQ4GpI/qg==

<SEC-DOCUMENT>9999999995-09-001916.txt : 20090714
<SEC-HEADER>9999999995-09-001916.hdr.sgml : 20090714
<ACCEPTANCE-DATETIME>20090714001515
ACCESSION NUMBER:		9999999995-09-001916
CONFORMED SUBMISSION TYPE:	EFFECT
PUBLIC DOCUMENT COUNT:		1
FILED AS OF DATE:		20090713
DATE AS OF CHANGE:		20090714
EFFECTIVENESS DATE:		20090713

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:		EFFECT
		SEC ACT:		1933 Act
		SEC FILE NUMBER:	333-152325
		FILM NUMBER:		09942788

	BUSINESS ADDRESS:	
		STREET 1:		675 COCHRANE DRIVE, EAST TOWER
		STREET 2:		6TH FLOOR
		CITY:			MARKHAM
		STATE:			A6
		ZIP:			L3R 0B8
		BUSINESS PHONE:		(85-512) 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>EFFECT
<SEQUENCE>1
<FILENAME>primary_doc.xml
<TEXT>
<XML>
<?xml version="1.0"?>
<edgarSubmission>

    <schemaVersion>X0101</schemaVersion>

    <submissionType>EFFECT</submissionType>

    <act>33</act>

    <testOrLive>LIVE</testOrLive>

    <effectiveData>
        <finalEffectivenessDispDate>2009-07-13</finalEffectivenessDispDate>
        <accessionNumber>0000950123-09-020462</accessionNumber>
        <submissionType>POS AM</submissionType>
        <filer>
            <cik>0001375877</cik>
            <entityName>Canadian Solar Inc.</entityName>
            <fileNumber>333-152325</fileNumber>
        </filer>
    </effectiveData>
</edgarSubmission>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
-----END PRIVACY-ENHANCED MESSAGE-----
