<SEC-DOCUMENT>0000902664-20-003206-index.html : 20200828
<SEC-HEADER>0000902664-20-003206.hdr.sgml : 20200828
<ACCEPTANCE-DATETIME>20200828160529
ACCESSION NUMBER:		0000902664-20-003206
CONFORMED SUBMISSION TYPE:	SC 13G
PUBLIC DOCUMENT COUNT:		1
FILED AS OF DATE:		20200828
DATE AS OF CHANGE:		20200828

SUBJECT COMPANY:	

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			Star Peak Energy Transition Corp.
		CENTRAL INDEX KEY:			0001758766
		STANDARD INDUSTRIAL CLASSIFICATION:	BLANK CHECKS [6770]
		IRS NUMBER:				851972187
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		SC 13G
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	005-91641
		FILM NUMBER:		201147903

	BUSINESS ADDRESS:	
		STREET 1:		C/O MAGNETAR CAPITAL LLC
		STREET 2:		1603 ORRINGTON AVENUE, 13TH FLOOR
		CITY:			EVANSTON
		STATE:			IL
		ZIP:			60201
		BUSINESS PHONE:		847-905-4400

	MAIL ADDRESS:	
		STREET 1:		C/O MAGNETAR CAPITAL LLC
		STREET 2:		1603 ORRINGTON AVENUE, 13TH FLOOR
		CITY:			EVANSTON
		STATE:			IL
		ZIP:			60201

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	Star Peak Energy Acquisition Corp.
		DATE OF NAME CHANGE:	20181119

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	Roaring Fork Acquisition Corp.
		DATE OF NAME CHANGE:	20181109

FILED BY:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			ADAGE CAPITAL PARTNERS GP, L.L.C.
		CENTRAL INDEX KEY:			0001165408
		IRS NUMBER:				043574590
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		SC 13G

	BUSINESS ADDRESS:	
		STREET 1:		200 CLARENDON STREET
		STREET 2:		52ND FLOOR
		CITY:			BOSTON
		STATE:			MA
		ZIP:			02116
		BUSINESS PHONE:		(617) 867-2800

	MAIL ADDRESS:	
		STREET 1:		200 CLARENDON STREET, 52ND FLOOR
		CITY:			BOSTON
		STATE:			MA
		ZIP:			02116

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	ADAGE CAPITAL PARTNERS GP LLC
		DATE OF NAME CHANGE:	20020117
</SEC-HEADER>
<DOCUMENT>
<TYPE>SC 13G
<SEQUENCE>1
<FILENAME>p20-1603sc13g.htm
<DESCRIPTION>STAR PEAK ENERGY TRANSITION CORP.
<TEXT>
Document 1 - file: p20-1603sc13g.htm

</DOCUMENT>
</SEC-DOCUMENT>