0000916457-19-000028 8-K 2 20190710 8.01 20190716 20190715 CALPINE CORP 0000916457 4911 770212977 DE 1231 8-K 34 001-12079 19955979 717 TEXAS AVENUE SUITE 1000 HOUSTON TX 77002 7138302000 717 TEXAS AVENUE SUITE 1000 HOUSTON TX 77002 8-K 1 cpn_8kxjuly10x2019.htm 8-K - SALE OF GARRISON ENERGY CENTER AND ROCKGEN ENERGY CENTER GRAPHIC 2 calpinelogoa02.jpg CALPINE LOGO