0000891618-01-501682 S-3/A 2 20010731 CALPINE CORP 0000916457 4911 770212977 DE 1231 S-3/A 33 333-59786 1693315 50 WEST SAN FERNANDO ST SAN JOSE CA 95113 4089955115 50 W SAN FERNANDO SUITE 500 SAN JOSE CA 95113 S-3/A 1 f71926a1s-3a.txt AMENDMENT NO. 1 TO FORM S-3 EX-23.1 3 f71926a1ex23-1.txt EXHIBIT 23.1