0001181431-08-057269 4 1 20080814 20081014 20081014 CALPINE CORP 0000916457 4911 770212977 DE 1231 50 WEST SAN FERNANDO ST SAN JOSE CA 95113 4089955115 50 W SAN FERNANDO SUITE 500 SAN JOSE CA 95113 Luminus Energy Partners Master Fund, Ltd. 0001405850 D0 4 34 001-12079 081123826 1700 BROADWAY, 35TH FLOOR NEW YORK NY 10019 (212) 615-3450 1700 BROADWAY, 35TH FLOOR NEW YORK NY 10019 4 1 rrd221018.xml FORM 4