<SEC-DOCUMENT>0001104659-20-136430-index.html : 20201217
<SEC-HEADER>0001104659-20-136430.hdr.sgml : 20201217
<ACCEPTANCE-DATETIME>20201216181231
ACCESSION NUMBER:		0001104659-20-136430
CONFORMED SUBMISSION TYPE:	S-4
PUBLIC DOCUMENT COUNT:		12
FILED AS OF DATE:		20201217
DATE AS OF CHANGE:		20201216

FILER:

	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:		S-4
		SEC ACT:		1933 Act
		SEC FILE NUMBER:	333-251397
		FILM NUMBER:		201393610

	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
</SEC-HEADER>
<DOCUMENT>
<TYPE>S-4
<SEQUENCE>1
<FILENAME>tm2037914-1_s4.htm
<DESCRIPTION>S-4
<TEXT>
Document 1 - file: tm2037914-1_s4.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-23.1
<SEQUENCE>2
<FILENAME>tm2037914d2_ex23-1.htm
<DESCRIPTION>EXHIBIT 23.1
<TEXT>
Document 2 - file: tm2037914d2_ex23-1.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-23.2
<SEQUENCE>3
<FILENAME>tm2037914d2_ex23-2.htm
<DESCRIPTION>EXHIBIT 23.2
<TEXT>
Document 3 - file: tm2037914d2_ex23-2.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>4
<FILENAME>lg_starpeak-4clr.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 4 - file: lg_starpeak-4clr.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>5
<FILENAME>lg_stem-4clr.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 5 - file: lg_stem-4clr.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>6
<FILENAME>tm2037914d1-bc_stem4c.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 6 - file: tm2037914d1-bc_stem4c.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>7
<FILENAME>tm2037914d1-bc_united4c.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 7 - file: tm2037914d1-bc_united4c.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>8
<FILENAME>tm2037914d1-fc_organizonbw.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 8 - file: tm2037914d1-fc_organizonbw.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>9
<FILENAME>tm2037914d1-lc_growth4c.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 9 - file: tm2037914d1-lc_growth4c.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>10
<FILENAME>tm2037914d1-lc_nuclear4c.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 10 - file: tm2037914d1-lc_nuclear4c.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>11
<FILENAME>tm2037914d1-tbl_meter4clr.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 11 - file: tm2037914d1-tbl_meter4clr.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>12
<FILENAME>tm2037914d1-tbl_patent4clr.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 12 - file: tm2037914d1-tbl_patent4clr.jpg

</DOCUMENT>
</SEC-DOCUMENT>