<SEC-DOCUMENT>0001072613-23-000296-index.html : 20230410
<SEC-HEADER>0001072613-23-000296.hdr.sgml : 20230410
<ACCEPTANCE-DATETIME>20230410063425
ACCESSION NUMBER:		0001072613-23-000296
CONFORMED SUBMISSION TYPE:	SC 13G/A
PUBLIC DOCUMENT COUNT:		1
FILED AS OF DATE:		20230410
DATE AS OF CHANGE:		20230410

SUBJECT COMPANY:	

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			Ameresco, Inc.
		CENTRAL INDEX KEY:			0001488139
		STANDARD INDUSTRIAL CLASSIFICATION:	CONSTRUCTION SPECIAL TRADE CONTRACTORS [1700]
		IRS NUMBER:				043512838
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		SC 13G/A
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	005-85991
		FILM NUMBER:		23809639

	BUSINESS ADDRESS:	
		STREET 1:		111 SPEEN STREET
		CITY:			FRAMINGHAM
		STATE:			MA
		ZIP:			01701
		BUSINESS PHONE:		508-661-2200

	MAIL ADDRESS:	
		STREET 1:		111 SPEEN STREET
		CITY:			FRAMINGHAM
		STATE:			MA
		ZIP:			01701

FILED BY:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			Grantham, Mayo, Van Otterloo & Co. LLC
		CENTRAL INDEX KEY:			0001352662
		IRS NUMBER:				042691242
		STATE OF INCORPORATION:			MA
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		SC 13G/A

	BUSINESS ADDRESS:	
		STREET 1:		40 ROWES WHARF
		CITY:			BOSTON
		STATE:			MA
		ZIP:			02110
		BUSINESS PHONE:		617-330-7500

	MAIL ADDRESS:	
		STREET 1:		40 ROWES WHARF
		CITY:			BOSTON
		STATE:			MA
		ZIP:			02110
</SEC-HEADER>
<DOCUMENT>
<TYPE>SC 13G/A
<SEQUENCE>1
<FILENAME>ameresco-sch13g_18711.htm
<DESCRIPTION>GRANTHAM, MAYO, VAN OTTERLOO & CO. LLC / AMERESCO -- SCHEDULE 13G/A(#1)
<TEXT>
Document 1 - file: ameresco-sch13g_18711.htm

</DOCUMENT>
</SEC-DOCUMENT>