Exhibit 21.1
SUBSIDIARIES OF AMERESCO, INC.
LEGAL NAME
ENTITY TYPE
JURISDICTION
1277591 ONTARIO Inc.
Corporation
Canada
Ameresco 202 South Blair Solar Inc.
Corporation
Canada
Ameresco Asset Sustainability Group Inc.
Corporation
Canada
Ameresco Canada Inc.
Corporation
Canada
Ameresco CEPEO Solar Inc.
Corporation
Canada
Ameresco Colchester 1 Inc.
Corporation
Canada
Ameresco Consulting Inc.
Corporation
Canada
Ameresco Dufferin Solar Inc.
Corporation
Canada
Ameresco Enertech, Inc.
Corporation
KY
Ameresco Federal Solutions, Inc.
Corporation
TN
Ameresco Finance Solar Inc.
Corporation
Canada
Ameresco GEDSB Solar Inc.
Corporation
Canada
Ameresco Geothermal, Inc.
Corporation
Canada
Ameresco HPEDSB Solar Inc.
Corporation
Canada
Ameresco Langstaff Solar Inc.
Corporation
Canada
Ameresco LDCSB Solar Inc.
Corporation
Canada
Ameresco LFG - I, Inc. d/b/a Ameresco Goshen
Corporation
DE
Ameresco Myles Solar Inc.
Corporation
Canada
Ameresco Niagara Solar Inc.
Corporation
Canada
Ameresco Planergy Housing, Inc.
Corporation
DE
Ameresco Puerto Rico, Inc.
Corporation
Commonwealth of Puerto Rico
Ameresco Quantum, Inc.
Corporation
WA
Ameresco Quebec Inc.
Corporation
Quebec
Ameresco S.A.
Corporation
Greece
Ameresco Select, Inc.
Corporation
MA
Ameresco Servicios Energeticos S.L.
Corporation
Spain
Ameresco Servicos Energiticos Ltda.
Corporation
Brazil
Ameresco Solar - Solutions, Inc.
Corporation
TX
AmerescoSolutions, Inc.
Corporation
NC
Ameresco Southwest, Inc.
Corporation
AZ
Ameresco UW Solar Inc.
Corporation
Canada
Ameresco Wind Power Canada Inc.
Corporation
Canada
Applied Energy Group, Inc.
Corporation
DE
Byrne (Sudbury) Engineering Inc.
Corporation
Canada
EI Fund One, Inc.
Corporation
MA
Energy Investment, Inc.
Corporation
MA
FAME Facility Software Solutions U.S., Inc.
Corporation
DE
HEC/Tobyhanna Energy Project, Inc.
Corporation
MA
Sierra Energy Company
Corporation
NV
Ameresco/Pacific Energy JV
General Partnership
HI
Ameresco Alternate Fuels LLC
Limited Liability Company
DE
Ameresco Aneval LLC
Limited Liability Company
DE
Ameresco Asset Holdings IV LLC
Limited Liability Company
DE
Ameresco Asset Sustainability Group LLC
Limited Liability Company
DE
Ameresco Butte County LLC
Limited Liability Company
DE





LEGAL NAME
ENTITY TYPE
JURISDICTION
Ameresco Chicopee Energy LLC
Limited Liability Company
DE
Ameresco Chiquita Energy LLC
Limited Liability Company
DE
Ameresco Concord LLC
Limited Liability Company
DE
Ameresco CT LLC
Limited Liability Company
DE
Ameresco Cumberland LLC
Limited Liability Company
DE
Ameresco Dallas LLC
Limited Liability Company
DE
Ameresco Delaware Energy LLC
Limited Liability Company
DE
Ameresco DMHS LLC
Limited Liability Company
DE
Ameresco DR LLC
Limited Liability Company
DE
Ameresco East Carolina LLC
Limited Liability Company
DE
Ameresco Evansville LLC
Limited Liability Company
DE
Ameresco Foothills LLC
Limited Liability Company
DE
Ameresco Forward LLC
Limited Liability Company
DE
Ameresco Funding I, LLC
Limited Liability Company
DE
Ameresco Funding II, LLC
Limited Liability Company
DE
Ameresco Funding III, LLC
Limited Liability Company
DE
Ameresco Funding IV, LLC
Limited Liability Company
DE
Ameresco Georgia LLC
Limited Liability Company
DE
Ameresco Golden Triangle LLC
Limited Liability Company
DE
Ameresco Greenridge LLC
Limited Liability Company
DE
Ameresco Half Moon Bay LLC
Limited Liability Company
DE
Ameresco Hawaii LLC
Limited Liability Company
DE
Ameresco Huntington Beach, L.L.C.
Limited Liability Company
DE
Ameresco Idaho Wind LLC
Limited Liability Company
DE
Ameresco Intelligent Systems, LLC
Limited Liability Company
DE
Ameresco Janesville LLC
Limited Liability Company
DE
Ameresco Jefferson City LLC
Limited Liability Company
DE
Ameresco Johnson Canyon LLC
Limited Liability Company
DE
Ameresco Keller Canyon LLC
Limited Liability Company
DE
Ameresco Lake Havasu LLC
Limited Liability Company
DE
Ameresco LFG Holdings II LLC
Limited Liability Company
DE
Ameresco LFG Holdings III LLC
Limited Liability Company
DE
Ameresco LFG Holdings LLC
Limited Liability Company
DE
Ameresco McCarty Energy LLC
Limited Liability Company
DE
Ameresco MT Wind, LLC
Limited Liability Company
DE
Ameresco Mt. Olive LLC
Limited Liability Company
DE
Ameresco Navajo LLC
Limited Liability Company
DE
Ameresco Northampton LLC
Limited Liability Company
DE
Ameresco Palmetto LLC
Limited Liability Company
DE
Ameresco Pine Bluff LLC
Limited Liability Company
DE
Ameresco Ponce LLC
Limited Liability Company
DE
Ameresco Pontiac LLC
Limited Liability Company
DE
Ameresco Ranchland LLC
Limited Liability Company
DE
Ameresco Renewable Energy LLC
Limited Liability Company
DE
Ameresco San Antonio LLC
Limited Liability Company
DE
Ameresco San Joaquin LLC
Limited Liability Company
DE
Ameresco Santa Clara LLC
Limited Liability Company
DE
Ameresco Santa Cruz Energy LLC
Limited Liability Company
DE
Ameresco Skunk Creek LLC
Limited Liability Company
DE





LEGAL NAME
ENTITY TYPE
JURISDICTION
Ameresco Solar - Products LLC
Limited Liability Company
DE
Ameresco Solar - Technologies LLC
Limited Liability Company
DE
Ameresco Solar LLC
Limited Liability Company
DE
Ameresco Solar Acton LLC
Limited Liability Company
DE
Ameresco Solar Bridgewater LLC
Limited Liability Company
DE
Ameresco Solar Canton LLC
Limited Liability Company
DE
Ameresco Solar Englewood LLC
Limited Liability Company
DE
Ameresco Solar Fall River LLC
Limited Liability Company
DE
Ameresco Solar Logan LLC
Limited Liability Company
DE
Ameresco Solar Lowell LLC
Limited Liability Company
DE
Ameresco Solar Milton LLC
Limited Liability Company
DE
Ameresco Solar Natick LLC
Limited Liability Company
DE
Ameresco Solar New York LLC
Limited Liability Company
DE
Ameresco Solar Newburyport LLC
Limited Liability Company
DE
Ameresco Solar Power 1 LLC
Limited Liability Company
DE
Ameresco Solar Waltham LLC
Limited Liability Company
DE
Ameresco Solar Worcester LLC
Limited Liability Company
DE
Ameresco Stafford LLC
Limited Liability Company
DE
Ameresco Upper Piedmont LLC
Limited Liability Company
DE
Ameresco Vasco Road LLC
Limited Liability Company
DE
Ameresco Wind New York LLC
Limited Liability Company
DE
Ameresco Woodland Meadows LLC
Limited Liability Company
DE
Ameresco Woodland Meadows Romulus LLC
Limited Liability Company
DE
e.three Custom Energy Solutions, LLC
Limited Liability Company
NV
ERI/HEC EFA-Med, LLC
Limited Liability Company
DE
HEC/CJTS Energy Center LLC
Limited Liability Company
DE
Hui O Aina, LLC
Limited Liability Company
HI
Lowell Solar Landfill LLC
Limited Liability Company
DE