0000916457-17-000041 S-8 6 20170510 20170510 20170510 CALPINE CORP 0000916457 4911 770212977 DE 1231 S-8 33 333-217830 17829146 717 TEXAS AVENUE SUITE 1000 HOUSTON TX 77002 7138302000 717 TEXAS AVENUE SUITE 1000 HOUSTON TX 77002 S-8 1 cpn_s-8xmay10xregistration.htm REGISTRATION STATEMENT EX-5.1 2 cpn_s-8xexhibit51xregistra.htm OPINION OF WHITE & CASE LLP EX-23.1 3 cpn_s-8xexhibit231xregistr.htm CONSENT OF PRICEWATERHOUSECOOPERS LLP GRAPHIC 4 calpinelogoa02a06.gif CALPINE LOGO GRAPHIC 5 wandcaddress.jpg WC ADDRESS GRAPHIC 6 wandcheader.jpg WC HEADER