<SEC-DOCUMENT>0001213900-22-027661-index.html : 20220517
<SEC-HEADER>0001213900-22-027661.hdr.sgml : 20220517
<ACCEPTANCE-DATETIME>20220517161958
ACCESSION NUMBER:		0001213900-22-027661
CONFORMED SUBMISSION TYPE:	NT 10-Q
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20220331
FILED AS OF DATE:		20220517
DATE AS OF CHANGE:		20220517
EFFECTIVENESS DATE:		20220517

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			cleantech Acquisition Corp.
		CENTRAL INDEX KEY:			0001849820
		STANDARD INDUSTRIAL CLASSIFICATION:	GENERAL INDUSTRIAL MACHINERY & EQUIPMENT, NEC [3569]
		IRS NUMBER:				000000000
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		NT 10-Q
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-40611
		FILM NUMBER:		22934763

	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>NT 10-Q
<SEQUENCE>1
<FILENAME>ea160080-nt10q_cleantech.htm
<DESCRIPTION>NOTIFICATION OF LATE FILING
<TEXT>
Document 1 - file: ea160080-nt10q_cleantech.htm

</DOCUMENT>
</SEC-DOCUMENT>