EXHIBIT 23.4




            CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM

     We consent to the incorporation by reference in this Registration Statement
of Calpine  Corporation on Form S-8 of our reports dated March 10, 2003 (October
21, 2003 as to paragraph two of Note 10 and March 22, 2004 as to paragraphs  six
and eight of Note 10)  relating  to the  consolidated  financial  statements  of
Calpine Corporation as of December 31, 2002 and for the years ended December 31,
2002 and 2001  (which  reports  express  an  unqualified  opinion  and  includes
emphasis  relating to the adoption of new accounting  standards in 2002 and 2001
and  divestitures)  appearing  in and  incorporated  by  reference in the Annual
Report on Form 10-K of Calpine Corporation for the year ended December 31, 2003.


                                                     /s/   DELOITTE & TOUCHE LLP



San Jose, California
July 13, 2004