EX-23.1 5 f80342a1exv23w1.txt EXHIBIT 23.1 Exhibit 23.1 CONSENT OF INDEPENDENT PUBLIC ACCOUNTANTS As independent public accountants, we hereby consent to the incorporation by reference in this Amendment No. 1 to Registration Statement on Form S-3 (No. 333-85654) of our report dated February 6, 2002 (except for Note 24 as to which the date is March 22, 2002) included in Calpine Corporation's Form 10-K for the year ended December 31, 2001 and to all references to our Firm included in this registration statement. /s/ Arthur Andersen LLP San Jose, California June 17, 2002