<SEC-DOCUMENT>0001172661-17-001712-index.html : 20170911
<SEC-HEADER>0001172661-17-001712.hdr.sgml : 20170911
<ACCEPTANCE-DATETIME>20170911160743
ACCESSION NUMBER:		0001172661-17-001712
CONFORMED SUBMISSION TYPE:	SC 13G/A
PUBLIC DOCUMENT COUNT:		1
FILED AS OF DATE:		20170911
DATE AS OF CHANGE:		20170911

SUBJECT COMPANY:	

	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:		SC 13G/A
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	005-48317
		FILM NUMBER:		171079091

	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

FILED BY:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			SailingStone Capital Partners LLC
		CENTRAL INDEX KEY:			0001608904
		IRS NUMBER:				464114066
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		SC 13G/A

	BUSINESS ADDRESS:	
		STREET 1:		ONE CALIFORNIA STREET
		STREET 2:		30TH FLOOR
		CITY:			SAN FRANCISCO
		STATE:			CA
		ZIP:			94111
		BUSINESS PHONE:		(415) 429-5178

	MAIL ADDRESS:	
		STREET 1:		ONE CALIFORNIA STREET
		STREET 2:		30TH FLOOR
		CITY:			SAN FRANCISCO
		STATE:			CA
		ZIP:			94111
</SEC-HEADER>
<DOCUMENT>
<TYPE>SC 13G/A
<SEQUENCE>1
<FILENAME>cpn083117a2.htm
<DESCRIPTION>13G/A
<TEXT>
Document 1 - file: cpn083117a2.htm

</DOCUMENT>
</SEC-DOCUMENT>