0000950134-05-007373 10-Q/A 4 20040930 20050414 20050413 CALPINE CORP 0000916457 4911 770212977 DE 1231 10-Q/A 34 001-12079 05749336 50 WEST SAN FERNANDO ST SAN JOSE CA 95113 4089955115 50 W SAN FERNANDO SUITE 500 SAN JOSE CA 95113 10-Q/A 1 f07326a1e10vqza.htm AMENDMENT TO FORM 10-Q EX-31.1 2 f07326a1exv31w1.htm EXHIBIT 31.1 EX-31.2 3 f07326a1exv31w2.htm EXHIBIT 31.2 EX-32.1 4 f07326a1exv32w1.htm EXHIBIT 32.1