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


                                    FORM 8-K

                CURRENT REPORT Pursuant to Section 13 or 15(d) of
                       the Securities Exchange Act of 1934


      Date of Report (Date of earliest event reported): October 21, 2004


                               CALPINE CORPORATION
                            (A Delaware Corporation)

                        Commission file number: 001-12079

                  I.R.S. Employer Identification No. 77-0212977

                           50 West San Fernando Street
                           San Jose, California 95113
                            Telephone: (408) 995-5115

     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))





ITEM 8.01.  OTHER EVENTS

NEWS RELEASE                                             CONTACTS:  408-995-5115
                                    Media Relations: Katherine Potter, Ext. 1168
                                     Investor Relations: Rick Barraza, Ext. 1125


         Calpine Announces Redemption of HIGH TIDES I and HIGH TIDES II

     (SAN JOSE,  Calif.),  /PR  Newswire -  FirstCall/  Oct. 21, 2004 -- Calpine
Corporation  [NYSE: CPN] today announced that it has completed the redemption of
its  outstanding 5 3/4% HIGH TIDES I preferred  securities and 5 1/2% HIGH TIDES
II preferred  securities  (HIGH TIDES).  The redemption  price paid per each $50
principal amount of HIGH TIDES was $50 plus accrued and unpaid  distributions to
the  redemption  date in the amount of $0.6309  with respect to HIGH TIDES I and
$0.6035 with respect to HIGH TIDES II.

     All rights of the holders of the HIGH TIDES have  ceased,  except the right
of such holders to receive the  redemption  price which was  deposited  with The
Depository Trust Company, and such HIGH TIDES have ceased to be outstanding.

     In connection with the redemption of the HIGH TIDES, the entire outstanding
principal  amount  of  Calpine's  convertible  subordinated  debentures  held by
Calpine  Capital Trust and Calpine  Capital Trust II were also redeemed and have
ceased to be outstanding. Calpine intends to cause both Trusts to be terminated.

     Calpine  Corporation,  celebrating  its  20th  year  in  power,  is a North
American power company  dedicated to providing  electric power to customers from
clean,  efficient,  natural  gas-fired and geothermal power plants.  The company
generates  power at plants it owns or leases in 21 states in the United  States,
three provinces in Canada and in the United Kingdom.  Calpine,  founded in 1984,
is listed  on the S&P 500 and was  named  FORTUNE's  2004  Most  Admired  Energy
Company.  Calpine is publicly  traded on the New York Stock  Exchange  under the
symbol CPN. For more information, visit www.calpine.com.







                                   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.


                               CALPINE CORPORATION

                               By:      /s/ Charles B. Clark, Jr.
                               -------------------------------------------------
                                          Charles B. Clark, Jr.
                                Senior Vice President and Corporate Controller,
                                        Chief Accounting Officer

Date: October 22, 2004