<SEC-DOCUMENT>0001537435-22-000045-index.html : 20220506
<SEC-HEADER>0001537435-22-000045.hdr.sgml : 20220506
<ACCEPTANCE-DATETIME>20220506164913
ACCESSION NUMBER:		0001537435-22-000045
CONFORMED SUBMISSION TYPE:	3/A
PUBLIC DOCUMENT COUNT:		2
CONFORMED PERIOD OF REPORT:	20220316
FILED AS OF DATE:		20220506
DATE AS OF CHANGE:		20220506

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Benjamin Locke M.
		CENTRAL INDEX KEY:			0001625781

	FILING VALUES:
		FORM TYPE:		3/A
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-36103
		FILM NUMBER:		22901997

	MAIL ADDRESS:	
		STREET 1:		45 FIRST AVE
		CITY:			WALTHAM
		STATE:			MA
		ZIP:			02451

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			TECOGEN INC.
		CENTRAL INDEX KEY:			0001537435
		STANDARD INDUSTRIAL CLASSIFICATION:	AIR COND & WARM AIR HEATING EQUIP & COMM & INDL REFRIG EQUIP [3585]
		IRS NUMBER:				043536131
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		45 FIRST AVENUE
		CITY:			WALTHAM
		STATE:			MA
		ZIP:			02451
		BUSINESS PHONE:		781-466-6400

	MAIL ADDRESS:	
		STREET 1:		45 FIRST AVENUE
		CITY:			WALTHAM
		STATE:			MA
		ZIP:			02451

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	TECOGEN INC
		DATE OF NAME CHANGE:	20111215
</SEC-HEADER>
<DOCUMENT>
<TYPE>3/A
<SEQUENCE>1
<FILENAME>wf-form3a_165187013044126.xml
<DESCRIPTION>FORM 3/A
<TEXT>
Document 1 - file: wf-form3a_165187013044126.html

Document 1 - RAW XML: wf-form3a_165187013044126.xml

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-24
<SEQUENCE>2
<FILENAME>locke_poatgen.htm
<DESCRIPTION>POWER OF ATTORNEY
<TEXT>
Document 2 - file: locke_poatgen.htm

</DOCUMENT>
</SEC-DOCUMENT>