0000950149-98-000766 DEF 14A 1 19980527 19980423 NYSE CALPINE CORP 0000916457 4991 770031605 CA 1231 DEF 14A 34 001-12079 98599180 50 WEST SAN FERNANDO ST SAN JOSE CA 95113 4089955115 50 W SAN FERNANDO SUITE 500 SAN JOSE CA 95113 DEF 14A 1 000095014998000766-001-seq1-def-14a.txt NOTICE AND PROXY FOR THE DATE OF 27 MAY, 1998