<DOCUMENT>
<TYPE>EX-23.1
<SEQUENCE>8
<FILENAME>h01912exv23w1.txt
<DESCRIPTION>EX-23.1 CONSENT OF DELOITTE TOUCHE TOHMATSU
<TEXT>
<PAGE>
                                                                    Exhibit 23.1



            CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM

We consent to the incorporation by reference in this Registration Statement on
Form F-3 of our report dated May 28, 2007, relating to the financial statements
and financial statement schedule of Canadian Solar Inc., appearing in the Annual
Report on Form 20-F of Canadian Solar Inc. for the year ended December 31, 2006,
and to the reference to us under the heading "Experts" in the Prospectus, which
is part of this Registration Statement.



/s/ Deloitte Touche Tohmatsu CPA Ltd.

Deloitte Touche Tohmatsu CPA Ltd.
Shanghai, China

March 3, 2008


</TEXT>
</DOCUMENT>
