0000916457-08-000083 S-3/A 3 20081006 20081006 CALPINE CORP 0000916457 4911 770212977 DE 1231 S-3/A 33 333-152982 081108263 50 WEST SAN FERNANDO ST SAN JOSE CA 95113 4089955115 50 W SAN FERNANDO SUITE 500 SAN JOSE CA 95113 S-3/A 1 cpn_s-3a.htm CALPINE CORPORATION FORM S-3/A EX-5.1 2 ex5-1.htm OPINION OF SKADDEN, ARPS, ET AL EX-23.1 3 ex23-1.htm CONSENT OF PWC LLP