<SEC-DOCUMENT>0001537435-20-000028-index.html : 20200421
<SEC-HEADER>0001537435-20-000028.hdr.sgml : 20200421
<ACCEPTANCE-DATETIME>20200421075529
ACCESSION NUMBER:		0001537435-20-000028
CONFORMED SUBMISSION TYPE:	DEF 14A
PUBLIC DOCUMENT COUNT:		3
CONFORMED PERIOD OF REPORT:	20191231
FILED AS OF DATE:		20200421
DATE AS OF CHANGE:		20200421
EFFECTIVENESS DATE:		20200421

FILER:

	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

	FILING VALUES:
		FORM TYPE:		DEF 14A
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-36103
		FILM NUMBER:		20803987

	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>DEF 14A
<SEQUENCE>1
<FILENAME>tgen-20200422proxystatement.htm
<DESCRIPTION>DEF 14A
<TEXT>
Document 1 - file: tgen-20200422proxystatement.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>2
<FILENAME>tecogenproxycard2020page1.jpg
<TEXT>
Document 2 - file: tecogenproxycard2020page1.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>3
<FILENAME>tecogenproxycard2020page2.jpg
<TEXT>
Document 3 - file: tecogenproxycard2020page2.jpg

</DOCUMENT>
</SEC-DOCUMENT>