<SEC-DOCUMENT>0001357550-21-000017-index.html : 20210212
<SEC-HEADER>0001357550-21-000017.hdr.sgml : 20210212
<ACCEPTANCE-DATETIME>20210212110647
ACCESSION NUMBER:		0001357550-21-000017
CONFORMED SUBMISSION TYPE:	SC 13G/A
PUBLIC DOCUMENT COUNT:		1
FILED AS OF DATE:		20210212
DATE AS OF CHANGE:		20210212

SUBJECT COMPANY:	

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			ArcLight Clean Transition Corp.
		CENTRAL INDEX KEY:			0001820630
		STANDARD INDUSTRIAL CLASSIFICATION:	MOTOR VEHICLES & PASSENGER CAR BODIES [3711]
		IRS NUMBER:				000000000
		STATE OF INCORPORATION:			E9
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		SC 13G/A
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	005-91715
		FILM NUMBER:		21624138

	BUSINESS ADDRESS:	
		STREET 1:		C/O ARCLIGHT CAPITAL PARTNERS, LLC
		STREET 2:		200 CLARENDON STREET, 55TH FLOOR
		CITY:			BOSTON
		STATE:			MA
		ZIP:			02116
		BUSINESS PHONE:		281-403-6304

	MAIL ADDRESS:	
		STREET 1:		C/O ARCLIGHT CAPITAL PARTNERS, LLC
		STREET 2:		200 CLARENDON STREET, 55TH FLOOR
		CITY:			BOSTON
		STATE:			MA
		ZIP:			02116

FILED BY:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			Weiss Asset Management LP
		CENTRAL INDEX KEY:			0001357550
		IRS NUMBER:				611451623
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		SC 13G/A

	BUSINESS ADDRESS:	
		STREET 1:		222 BERKELEY STREET, 16TH FLOOR
		CITY:			BOSTON
		STATE:			MA
		ZIP:			02116
		BUSINESS PHONE:		617-778-7780

	MAIL ADDRESS:	
		STREET 1:		222 BERKELEY STREET, 16TH FLOOR
		CITY:			BOSTON
		STATE:			MA
		ZIP:			02116

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	WEISS CAPITAL LLC
		DATE OF NAME CHANGE:	20060327
</SEC-HEADER>
<DOCUMENT>
<TYPE>SC 13G/A
<SEQUENCE>1
<FILENAME>actc13ga31dec2020.htm
<TEXT>
Document 1 - file: actc13ga31dec2020.htm
</DOCUMENT> </SEC-DOCUMENT>