EXHIBIT 4.6
  Sales Contract
 September 1st, 2008
   Canadian Solar Inc.
 
   ILIOTEC International GmbH
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Recitals
     NOW, THEREFORE,
 I.
    
    Type and Quantity of Modules, Prices, Delivery Time
  II.
    
    Labelling
 
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III.
    
    Port of Shipment/Port of Destination
   IV.
    
    Packing/Shipping Mark
 
 
 V.
    
    TITLE AND RISK OF LOSS/INSURANCE
 
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VI.
    
    Terms of Payment
  VII.
    
    Documents
  1.
    
    Full set (including 3 originals) of shipped on board Bill of Ladings made out
to the Contract and blank endorsed and consigned to the PURCHASER, marked Freight
Prepaid.2.
    
    Signed Commercial Invoice in 3 originals indicating contract number issued by
the VENDOR. Packing list (including 3 originals) with indication of weights,
measurements and quantity issued by the VENDOR.3.
    
    Flash reports stating the module type, serial number, Isc, Voc, Imp, Vmp, Pmax,
and the date of testing by Fax or E-mail to PURCHASER
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VIII.
    
    Shipments
     IX.
    
    Warranties
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(1)
    
    A Product Quality Warranty stating that the products shall be free from defects
in material and workmanship for two years. If, within 24 months counting from the date
of installation, damages or defects occur in the course of operation because of
inferior quality, bad workmanship or the use of inferior materials in the manufacturing
process, the VENDOR shall, upon notice by the PURCHASER with authentic and sufficient
evidence, immediately repair, replace, or make adjustments to the default products.(2)
    
    A Power Performance Warranty stating that the power degradation of the
products originally rated power as determined under Standard Test Conditions
(1000W/m2, 25°C cell temperature, AM=1.5) shall not be greater than 10% after 10 years
and 20% after 25 years.
  (1)
    
    if, within 24 months counting from the date of installation, damages or defects
occur in the course of Operation because of inferior quality, bad workmanship or the
use of inferior materials in the manufacturing process, the VENDOR shall, upon notice
by the PURCHASER with authentic and sufficient evidence, immediately repair, replace
the defective products. Costs for transportation of the default and replacing modules
and installation costs shall be borne by the VENDOR.(2)
    
    if it is determined that under Standard Test Conditions (STC, 1000
W/m2, 25°C, AM=1.5) products supplied by the VENDOR to the PURCHASER do not
meet the warranted percentage of its specified power output during the warranty term,
the VENDOR shall execute the remedy as stipulated in its warranty statement.
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-
    
    Errors made during installation, operation or maintenance,-
    
    Abuse or misuse,-
    
    Power failure surges, lightning, fire or flood,-
    
    Actions of third parties and other events or accidents outside the reasonable control and not arising under normal operating conditions.Where inspection of the defective product indicates with sufficient evidence of
improper installation, operation or maintenance, the PURCHASER shall reimburse
VENDOR its costs for the replacement or repairing the product including costs of
examination.
 X.
    
    Effective Date, Duration, Termination
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XI.
    
    Claims
   XII.
    
    Force Majeure
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XIII.
    
    Dispute Settlement/Arbitration Clause
      XIV.
    
    Choice-of-Law Clause
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XV.
    
    Taxes and Duties
  1.
    
    Levied by the Chinese government shall be borne by the VENDOR.2.
    
    Levied by the government of the importing country shall be borne by the
PURCHASER.
 XVI.
    
    Exclusivity /Non- Competition Clause/Confidentiality
   XVII.
    
    CSI Standard Warranty Statement and Conditions of Sales
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XVIII.
    
    Entire Agreement and Amendments
   XVIIII.
    
    Severability Clause
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/s/ Gregory Spanoudakis
    
    Regensburg
    
    October 2, 2008Location, Date, Stamp
and Signature of
Canadian Solar Inc.
 /s/
Dr. Thomas Reindl
    
    Regensburg
    
    September 15, 2008Location, Date, Stamp
and Signature of
ILIOTEC International GmbH
 [Stamp of ILIOTEC
International GmbH] Page 12 of 13




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Exhibit I
 Commodity, Specification, and Delivery Schedule for the current Project:
 QuantitySchedule
    
    Commodity & Specifications
    
    (MW)1)
    
    Price Per Watt and Conditions2)Year 2009
    
    Regular CS-5A, 5P, 6A, 6P
    
    10MW,
plus
Option:10MWp
    
    Price: Euro [****]*/Wp 3)
CIF Port in EuropeYear 2009
    
    e module CS6A-150/160P
    
    5MW,
plus
Option:10MW
    
    Price: Euro [****]*/Wp
CIF Port in EuropeTOTAL
    
    
    
    35MW
(incl. options)
 1)
    
    Optional quantities to be confirmed by March 31st, 2009.2)
    
    Prices to be reviewed on a quarterly base. If no mutual agreement is reached, the prices stated
in the table shall prevail.3)     Price is valid for shipments from December 1st, 2008 onwards. Shipments within the
month of December are invoiced at EURO [****]*/Wp. The thus over-paid balance will be reimbursed over
the course of the shipments in January through March 2009 by accordingly, lower purchasing prices
and/or credit notes.     *
    
    This portion of the Sales Contract has been omitted and filed separately with the Securities and Exchange Commission, pursuant to Rule 24b-2. Page 13 of 13