<SEC-DOCUMENT>0001213900-21-039636-index.html : 20210802
<SEC-HEADER>0001213900-21-039636.hdr.sgml : 20210802
<ACCEPTANCE-DATETIME>20210730194343
ACCESSION NUMBER:		0001213900-21-039636
CONFORMED SUBMISSION TYPE:	8-K
PUBLIC DOCUMENT COUNT:		2
CONFORMED PERIOD OF REPORT:	20210730
ITEM INFORMATION:		Other Events
ITEM INFORMATION:		Financial Statements and Exhibits
FILED AS OF DATE:		20210802
DATE AS OF CHANGE:		20210730

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			cleantech Acquisition Corp.
		CENTRAL INDEX KEY:			0001849820
		STANDARD INDUSTRIAL CLASSIFICATION:	BLANK CHECKS [6770]
		IRS NUMBER:				000000000
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		8-K
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-40611
		FILM NUMBER:		211134183

	BUSINESS ADDRESS:	
		STREET 1:		1 EAST PUTNAM AVENUE, FLOOR 4
		CITY:			GREENWICH
		STATE:			CT
		ZIP:			06830
		BUSINESS PHONE:		6464659000

	MAIL ADDRESS:	
		STREET 1:		1 EAST PUTNAM AVENUE, FLOOR 4
		CITY:			GREENWICH
		STATE:			CT
		ZIP:			06830
</SEC-HEADER>
<DOCUMENT>
<TYPE>8-K
<SEQUENCE>1
<FILENAME>ea145071-8k_cleantech.htm
<DESCRIPTION>CURRENT REPORT
<TEXT>
Document 1 - file: ea145071-8k_cleantech.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-99.1
<SEQUENCE>2
<FILENAME>ea145071ex99-1_cleantech.htm
<DESCRIPTION>PRESS RELEASE, DATED JULY 30, 2021.
<TEXT>
Document 2 - file: ea145071ex99-1_cleantech.htm

</DOCUMENT>
</SEC-DOCUMENT>