0000766524-98-000022 SC 13G 1 19980120 NYSE CALPINE CORP 0000916457 4991 770031605 CA 1231 SC 13G 34 005-48317 98509200 50 WEST SAN FERNANDO ST SAN JOSE CA 95113 4089955115 50 W SAN FERNANDO SUITE 500 SAN JOSE CA 95113 PUTNAM INVESTMENTS INC 0000766524 0000 042539558 DE 1231 SC 13G ONE P O BOX SQUARE BOSTON MA 02109 SC 13G 1 000076652498000022-001-seq1-sc-13g.txt 5% MONTHLY HOLDINGS REPORT