Issue link: https://nebusinessmedia.uberflip.com/i/1523471
wbjournal.com | Book of Lists 2024 | Worcester Business Journal 29 Largest clean energy companies Ranked by number of local employees Company Local employees/ companywide Type of business Products and services Top executive(s)/ year founded 1 Babcock Power Services, Babcock Power Environmental 26 Forest St., Suite 300, Marlborough 01752 508-852-7100 • babcockpower.com 500 N/A Solar, biomass and waste-to- energy Technology, equipment and engineering services Tom Price president & CEO, Babcock Power Services & Babcock Power Environmental Michael Leclair president & CEO, Babcock Power Inc. 1913 1 Milton CAT (1) 100 Quarry Drive, Milford 01757 508-634-3400 • miltoncat.com 500 (2) N/A Caterpillar machines for power generation and energy storage Includes MC2 Renewable Energy Services, a full-service renewable energy division within Milton CAT Chris Milton president & CEO 1960 3 Aspen Aerogels Inc. 30 Forbes Road, Northborough 01532 508-691-1111 • aerogel.com 159 562 Development and manufacturing of aerogels for clean energy and electrification solutions PyroThin products for electric vehicles and carbon aerogel initiative to increase performance of lithium-ion battery cells Don Young president & CEO 2001 4 Ameresco Inc. 111 Speen St., Suite 401, Framingham 01701 866-263-7372 • ameresco.com 157 1,498 Cleantech integrator and renewable energy asset developer, owner & operator Energy efficiency, renewable generation & energy supply, infrastructure upgrades, energy software & services George Sakellaris president & CEO 2000 5 Ascend Elements (3) 133 Flanders Road, Westborough 01581 508-936-7701 • ascendelements.com 150 400 Battery materials manufacturing & recycling Custom lithium-ion battery materials (cathode active materials) from recycled batteries & manufacturing scrap; lithium- ion battery recycling services to manufacturers & electric vehicle OEM's Michael O'Kronley CEO 2015 5 LG Energy Solution Vertech Inc. 155 Flanders Road, Westborough 01581 508-497-7319 • lgensol-vt.com 150 (4) N/A Energy storage systems integrator Integrated battery energy storage systems with software & services Jaehong Park CEO 2014 (5) 7 Ostrow Electric Co. 9 Mason St., Worcester 01609 508-754-2641 • ostrowelectric.com 121 202 Electrical infrastructure from bidding to design-build and engineering Photovoltaic systems for rooftop & large-scale ground mount, wind turbine generators Matthew Ostrow president 1939 8 Commonwealth Fusion Systems (CFS) 117 Hospital Road, Devens 01434 781-606-1233 • cfs.energy 114 650 Fusion energy systems Alcator C-Mod compact, high- magnetic field tokamak, high- temperature superconducting (HTS) magnets for fusion energy generation Bob Mumgaard CEO 2018 9 AMSC (6) 114 E. Main St., Ayer 01432 978-842-3000 • amsc.com 100 (7) 328 Technologies for grid and wind segments Wind turbine system designs licensed under Windtec Solutions with products & services for wind turbine manufacturers Daniel McGahn president & CEO 1987 10 Solect Energy 89 Hayden Rowe St., Hopkinton 01748 508-598-3511 • solect.com 100 N/A Commercial solar developer and operator with more than 750 installations Design, installation, optimization and maintenance of commercial solar & storage solutions Kenneth Driscoll CEO 2009 11 Donahue & Sons 123 Cut Off Road, Barre 01005 508-380-2082 • donahuesons.com 61 N/A Operation and maintenance of solar installations Vegetation management, solar panel washing, solar panel snow removal, critical infrastructure repair Tom Donahue president 2010 12 Ambri (8) 53 Brigham St., Suite 8, Marlborough 01752 617-714-5723 • ambri.com 60 65 Manufacturer Grid-scale battery storage for renewable energy Dan Leff executive chairman 2010 13 Endless Energy New England Inc. 261 Cedar Hill St., Suite 100, Marlborough 01752 508-357-2354 • goendlessenergy.com 50 80 Certified Mass Save contractor, HVAC HVAC systems installation & service, home energy assessments, weatherization & insulation, load management, e- vehicle charging stations, service upgrades Matt Kidd president 1980 14 NORESCO (9) One Research Drive, Suite 400C, Westborough 01581 508-614-1000 • noresco.com 44 500 Energy infrastructure, sustainability consulting, decarbonization Distributed & renewable energy, storage, savings performance contracting, microgrids, engineering, integration, maintenance, codes & standards, procurement, commissioning, retro-fit Darcy Immerman senior vice president, strategy & growth Troy Walters senior vice president & COO 1984 15 Modern Energy 24 Rockdale St., Worcester 01606 508-449-0449 • modernenergynow.com 42 42 Renewable energy, Mass Save partner Design & installation of commercial variable refrigerant flow (VRF) heat pumps, residential mini split heat pumps; insulation, solar PV & LED lighting upgrades John Pitcavage Jeff Vlk co-founders 2017 Source: Each company via survey as of Q1-Q2 2024. Notes: Commonweatlh Fusion Systems (CFS) statewide employee count was reported as the local Central Mass. figure on the 2023 version of the list; the oversight was based on a February 2023 press release that stated the majority of CFS employees work in Devens. Unable to confirm local employee count by press time for Natick's Electric Hydrogen, with 300 companywide employees. Electric Hydrogen opened its Devens manufacturing site this year and expects it will employ 100 workers. N/A=not available. (1) Acquired Milford's Industria Engineering (2) Local employee count falls within a range of 500 to 999, according to Mass. Executive Office of Labor and Workforce Development. (3) Formerly Battery Resourcers (4) Local employee count from WBJ's 2023 survey (5) Founding year for NEC Energy Solutions (6) Formerly known as American Superconductor Corp. (7) Local employee count falls within a range of 100 to 249, according to Mass. Executive Office of Labor and Workforce Development. (8) On May 5, Ambri filed for Chapter 11 bankruptcy; data is from WBJ's survey, as of March 21. (9) Part of Carrier Global Corp. (NYSE: CARR) -Compiled by: Stephanie R. Meagher, research@nebusinessmedia.com P R O F E S S I O N A L S E R V I C E S F O C U S Mass. leads in green buildings LEED Rank State projects 1 Massachusetts 96 2 Illinois 91 3 New York 142 4 California 386 5 Maryland 80 6 Georgia 66 7 Colorado 59 8 Virginia 95 9 Texas 174 10 Oregon 36 Notes: Ranking is based on total square footage of LEED certified buildings. Buildings are certified as LEED (Leadership in Energy & Environment Design) based on a scoring system developed by the U.S. Green Build- ing Council assessing their sustainability. If it were a state, Washington, D.C. would lead this ranking as its 115 LEED projects totaling 31.8 million square feet equals 46.06 square feet per capita. Source: U.S. Green Building Council