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                                  UNITED STATES
                       SECURITIES AND EXCHANGE COMMISSION
                             WASHINGTON, D.C. 20549

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                                    FORM 8-K

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                 CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d)
                     OF THE SECURITIES EXCHANGE ACT OF 1934

                                JANUARY 26, 2006
                Date of Report (Date of Earliest Event Reported)

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                              SUNPOWER CORPORATION
             (Exact name of Registrant as specified in its charter)

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          Delaware                      000-51593                 94-3008969
(State or other Jurisdiction      (Commission File No.)         (IRS Employer
     of Incorporation)                                       Identification No.)

                                  430 Indio Way
                           Sunnyvale, California 94085
          (Address of principal executive offices, including zip code)

                                 (408) 991-0900
              (Registrant's telephone number, including area code)

Check the appropriate box below if the Form 8-K filing is intended to
simultaneously satisfy the filing obligation of the registrant under any of the
following provisions (see General Instruction A.2. below):

[ ]  Written communications pursuant to Rule 425 under the Securities
     Act (17 CFR 230.425)

[ ]  Soliciting material pursuant to Rule 14a-12 under the Exchange
     Act (17 CFR 240.14a-12)

[ ]  Pre-commencement communications pursuant to Rule 14d-2(b) under the
     Exchange Act (17 CFR 240.14d-2(b))

[ ]  Pre-commencement communications pursuant to Rule 13e-4(c) under the
     Exchange Act (17 CFR 240.13e-4(c))

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ITEM 2.02  RESULTS OF OPERATIONS AND FINANCIAL CONDITION

On January 26, 2006, SunPower Corporation. (the "Registrant") issued the press
release attached hereto as Exhibit 99.1 announcing its results of operations for
the fourth quarter of 2005.

The information contained in this Form 8-K shall not be deemed "filed" for
purposes of Section 18 of the Securities Exchange Act of 1934 (the "Exchange
Act") or otherwise subject to the liabilities of that section, nor shall it be
deemed incorporated by reference in any filing under the Securities Act of 1933
or the Exchange Act, except as expressly set forth by specific reference in such
filing.

ITEM 9.01 FINANCIAL STATEMENTS AND EXHIBITS

     (d)  Exhibits.

          The following exhibit is furnished with this report on Form 8-K:

          99.1   SunPower Corporation. press release dated January 26, 2006.

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                                   SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, the
Registrant has duly caused this report to be signed on its behalf by the
undersigned hereunto duly authorized.

                                                     SunPower Corporation.

                                                     By: /s/ Emmanuel Hernandez
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                                                         Emmanuel Hernandez
                                                         Chief Financial Officer

Date: January 26, 2006

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                                  Exhibit Index

EXHIBIT
NUMBER        DESCRIPTION
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99.1          Registrant's Press release dated January 26, 2006, is furnished
              pursuant to Item 2.02 of Form 8-K

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