0001140361-08-028288 4 2 20081217 20081218 20081218 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 RAUF ZAMIR 0001437010 4 34 001-12079 081258462 713-830-2000 717 TEXAS AVENUE, SUITE 1000 HOUSTON TX 77002 4 1 doc1.xml FORM 4 EX-24 2 poa1.htm POWER OF ATTORNEY