<SEC-DOCUMENT>0001193125-15-024635-index.html : 20150129
<SEC-HEADER>0001193125-15-024635.hdr.sgml : 20150129
<ACCEPTANCE-DATETIME>20150129085454
ACCESSION NUMBER:		0001193125-15-024635
CONFORMED SUBMISSION TYPE:	424B3
PUBLIC DOCUMENT COUNT:		3
FILED AS OF DATE:		20150129
DATE AS OF CHANGE:		20150129

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			CALPINE CORP
		CENTRAL INDEX KEY:			0000916457
		STANDARD INDUSTRIAL CLASSIFICATION:	ELECTRIC SERVICES [4911]
		IRS NUMBER:				770212977
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		424B3
		SEC ACT:		1933 Act
		SEC FILE NUMBER:	333-197288
		FILM NUMBER:		15556889

	BUSINESS ADDRESS:	
		STREET 1:		717 TEXAS AVENUE
		STREET 2:		SUITE 1000
		CITY:			HOUSTON
		STATE:			TX
		ZIP:			77002
		BUSINESS PHONE:		7138302000

	MAIL ADDRESS:	
		STREET 1:		717 TEXAS AVENUE
		STREET 2:		SUITE 1000
		CITY:			HOUSTON
		STATE:			TX
		ZIP:			77002
</SEC-HEADER>
<DOCUMENT>
<TYPE>424B3
<SEQUENCE>1
<FILENAME>d859712d424b3.htm
<DESCRIPTION>PRELIMINARY PROSPECTUS SUPPLEMENT
<TEXT>
Document 1 - file: d859712d424b3.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>2
<FILENAME>g859712g19x66.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 2 - file: g859712g19x66.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>3
<FILENAME>g859712g66p88.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 3 - file: g859712g66p88.jpg

</DOCUMENT>
</SEC-DOCUMENT>