0000916457-01-500029 10-Q 1 20010630 20010814 CALPINE CORP 0000916457 4911 770212977 DE 1231 10-Q 34 001-12079 1714201 50 WEST SAN FERNANDO ST SAN JOSE CA 95113 4089955115 50 W SAN FERNANDO SUITE 500 SAN JOSE CA 95113 10-Q 1 o81401.txt SECOND QUARTER - 2001