<SEC-DOCUMENT>0001181431-11-049242.txt : 20110914
<SEC-HEADER>0001181431-11-049242.hdr.sgml : 20110914
<ACCEPTANCE-DATETIME>20110914124930
ACCESSION NUMBER:		0001181431-11-049242
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20110913
FILED AS OF DATE:		20110914
DATE AS OF CHANGE:		20110914

ISSUER:		

	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

	BUSINESS ADDRESS:	
		STREET 1:		717 TEXAS AVENUE
		STREET 2:		SUITE 1000
		CITY:			HOUSTON
		STATE:			TX
		ZIP:			77002
		BUSINESS PHONE:		7138308775

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

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			LSP Cal Holdings I, LLC
		CENTRAL INDEX KEY:			0001427471
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-12079
		FILM NUMBER:		111089903

	BUSINESS ADDRESS:	
		STREET 1:		1700 BROADWAY
		STREET 2:		35TH FLOOR
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10019
		BUSINESS PHONE:		(732) 249-6750

	MAIL ADDRESS:	
		STREET 1:		1700 BROADWAY
		STREET 2:		35TH FLOOR
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10019
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>rrd321907.xml
<DESCRIPTION>LSP CAL HOLDINGS I FORM 4 9/13/11
</DOCUMENT>
</SUBMISSION>