Massachusetts Clean Energy Center

BlueShift is a climate technology company that specializes in electrochemical processes. It develops systems to capture carbon dioxide directly from the ocean and convert industrial waste into valuable minerals, such as nickel and carbonates. This process not only provides sustainable sources for these materials but also significantly reduces atmospheric carbon, contributing to climate change mitigation.

Founded in 2018, Adept Materials specializes in manufacturing innovative construction materials designed to enhance building sustainability. Their products include smart multi-functional wall panels, sheathing, and roofing that passively manage heat and moisture flow, improving energy efficiency, durability, and comfort while simplifying construction processes.

Altus Thermal, founded in 2019 and based in Boston, Massachusetts, focuses on transforming thermal energy solutions for residential settings. The company aims to enhance efficiency, comfort, and user experience while providing benefits to the electrical grid. Altus Thermal develops energy technology designed to electrify residential heating, cooling, and hot water systems. By maximizing performance and facilitating better integration with renewable energy sources and other distributed energy resources, the company enables homeowners to electrify their living spaces in an efficient and cost-effective manner.

Adhesion Technologies is a bio-adhesive producer offers an alternative to toxic furniture glues, promoting to reduce chemical exposure.

Dottir Labs specializes in developing spectroscopy sensor technology tailored for aqueous environments. This technology detects and measures nutrients, metabolic markers, and both organic and non-organic waste products in real-time, empowering clients to achieve sustainability through data-driven insights.

River Otter Renewables is a recycling comany that produced biocrude oil from plant and waste as well as sewage and plastic waste.

BlocPower designs and implements energy efficiency and electrification upgrades for urban buildings, including schools, churches, small businesses, non-profits, and homes. Through proprietary software, machine learning, and IoT-enabled monitoring, it analyzes facilities to identify cost-effective retrofits, combines financing and project management, and delivers scalable deployment that reduces energy waste and utility bills while enhancing indoor air quality and comfort.

Loop CO2 specializes in transforming carbon dioxide into valuable products like cosmetic oils, adhesives, and thermoplastic elastomers. This innovative process enables clients to minimize their environmental impact by adopting eco-friendly alternatives.

Altus Thermal, founded in 2019 and based in Boston, Massachusetts, focuses on transforming thermal energy solutions for residential settings. The company aims to enhance efficiency, comfort, and user experience while providing benefits to the electrical grid. Altus Thermal develops energy technology designed to electrify residential heating, cooling, and hot water systems. By maximizing performance and facilitating better integration with renewable energy sources and other distributed energy resources, the company enables homeowners to electrify their living spaces in an efficient and cost-effective manner.

PowerHouse is a company dedicated to combating climate change by providing innovative solar energy solutions. It specializes in developing a solar energy system that overcomes the limitations of traditional deployment methods, offering versatile and aesthetically pleasing options for residential, commercial, and off-grid applications. The company's platform aims to expand the reach of renewable energy, making it more accessible and desirable for clients.

Yard Stick develops a handheld device that measures soil carbon levels in real-time. This enables evidence-based regenerative farming practices, improving soil health, increasing farmer income, and combating climate change by sequestering carbon.

Nth Cycle is a company specializing in metal processing technology. It collaborates with battery recyclers and miners to recover critical minerals from electronic waste and low-grade mine tailings using its proprietary electro-extraction method, offering an alternative to traditional hydrometallurgy and pyrometallurgy processes.

Team Solar increases the rate of adoption of energy saving projects such as solar. We capitalize projects for companies that would have financial barriers to do so on their own. We raise the capital for these projects from investors. Our investors get long sustainable cash flow from a completely positive, ethical, sustainable, and repeatable source.

Kwiksulate is a developer of an innovative self-contained foam insulation system that enables users to dispense spray foam as needed. The company's product features a handheld dispenser that utilizes a magazine filled with foam precursors. This design allows for precise application tailored to the user's requirements, promoting efficiency and waste reduction. Additionally, the foam precursors are packaged in flexible bags that occupy less space than traditional insulation materials, further contributing to waste management. The fundamental architecture of Kwiksulate's system has potential applications beyond insulation, aiming to minimize costs and environmental impact across various industries.

Takachar is a company focused on transforming agricultural waste into valuable products, particularly eco-friendly cooking fuel. Operating primarily in Kenya, it has developed low-cost technologies that enable the conversion of unmanaged agricultural residues into charcoal, a non-toxic and affordable energy source for low-income households. Over the past three years, Takachar has established or assisted seven locally run waste-to-charcoal enterprises, some of which have achieved operational profitability. The company has successfully created approximately 100 jobs and sold 50 tons of its eco-char product. By utilizing oxygen-lean torrefaction reactors, Takachar helps farmers reduce waste through recycling, allowing them to generate additional income while preventing open burning of agricultural residues. The company aims to demonstrate the financial sustainability of these enterprises as a foundation for expanding its franchise network in the future.

Browning the Green Space is a non-profit organization based in New England that aims to enhance diversity and inclusion within the clean energy sector. The organization comprises a coalition of leaders and organizations dedicated to increasing the participation and leadership of underrepresented groups in this field. Browning the Green Space focuses on several key areas, including supporting diversity, equity, and inclusion (DEI) initiatives, facilitating the creation of clean energy jobs, providing training for employers on DEI practices, and promoting contracts with minority- and women-owned firms. Through these efforts, the organization seeks to foster a more equitable and inclusive clean energy landscape.

WeSpire Inc. is an engagement platform headquartered in Boston, Massachusetts, that specializes in sustainability and responsibility programs for global corporations. Founded in 2010 and previously known as Practically Green, the company employs persuasive technology to foster employee engagement in a variety of initiatives, including energy efficiency, water conservation, waste management, transportation, food sustainability, volunteerism, and corporate citizenship. WeSpire's platform utilizes dynamic content, social levers, and gamification, supported by applied behavioral science, to enhance participation in these programs. By providing a configurable library of action-based programs, WeSpire enables organizations to drive measurable positive impacts and improve environmental, social, and cultural outcomes. The company collaborates with prominent brands such as Unilever, MGM Resorts International, and Sony to promote engagement in corporate sustainability and social responsibility efforts.

Boston Materials designs and manufactures advanced composite materials, including carbon fiber pre-pregs enabled by its patented Z-axis Fiber technology, which uses vertically aligned carbon fibers to improve energy transfer. The company produces magnetically assembled carbon fiber pre-pregs and other specialty materials for semiconductors, aerospace platforms, and thermal management, delivering lightweight, high-performance solutions for electronics, aviation, electrified vehicles, and related industries. Its processes include roll-to-roll manufacturing with in-line quality control to support scalable production and consistent quality across applications.

Blackburn Energy develops and manufactures RelGen, a vehicle electrification technology that converts the kinetic energy from a truck's drive shaft into electricity stored in a battery array to power truck subsystems such as electric APUs, liftgates, climate control, and sensors. The RelGen system, along with a 48V charging platform and anti-idling solutions, enables fleets to reduce fuel use, lower maintenance costs, and cut emissions by powering accessories without engine idle. The company promotes integrated systems including kinetic energy recovery, electric AC, and heat recovery, and serves commercial trucking fleets, liftgates and bucket service vehicles, and fleets supporting overnight accommodations and driver-assist features. Based in Amesbury, Massachusetts, Blackburn Energy was established in 2008 and has provided electrification solutions to large users including fleets associated with General Motors, AB InBev, and the US Marines.

Altus Thermal, founded in 2019 and based in Boston, Massachusetts, focuses on transforming thermal energy solutions for residential settings. The company aims to enhance efficiency, comfort, and user experience while providing benefits to the electrical grid. Altus Thermal develops energy technology designed to electrify residential heating, cooling, and hot water systems. By maximizing performance and facilitating better integration with renewable energy sources and other distributed energy resources, the company enables homeowners to electrify their living spaces in an efficient and cost-effective manner.

Sol Clarity specializes in enhancing solar panel efficiency through its self-cleaning technology. It develops transparent Electrodynamic Screen overlays that automatically remove dust from solar panels, improving energy yield without the need for water washing.

Lydian aims to accelerate the decarbonization of the chemical industry by electrifying the chemical production process. Founded in 2021 by Branko Zugic, Lydian is headquartered in

Ithaca Clean Energy is a company that develops a renewable energy platform designed to enhance the efficiency of energy generation. Utilizing artificial intelligence-driven data analytics, Ithaca aims to improve connectivity and interactivity among stakeholders in the energy sector, including investors, developers, and operators. By providing tools that facilitate better-informed decision-making, Ithaca Clean Energy supports its clients in optimizing their operations and investments in the renewable energy landscape.

Enel Green Power is a global leader in renewable energy, focusing on the development and management of power plants that utilize a diverse array of resources, including wind, solar, hydroelectric, geothermal, and biomass. Established in December 2008 as part of the Enel Group, the company operates across Europe and the Americas, boasting an installed capacity of 64.7 GW and generating approximately 25 terawatt-hours of electricity annually. This production supports the energy needs of over 8 million households and contributes to significant reductions in carbon emissions, avoiding around 16 million tonnes of CO2 each year. Enel Green Power emphasizes sustainability and innovation while actively collaborating with local communities to promote socio-economic development. The company is committed to expanding its installed capacity and enhancing technological mixes tailored to local conditions, thus playing a crucial role in the global transition to sustainable energy.

Boston Materials designs and manufactures advanced composite materials, including carbon fiber pre-pregs enabled by its patented Z-axis Fiber technology, which uses vertically aligned carbon fibers to improve energy transfer. The company produces magnetically assembled carbon fiber pre-pregs and other specialty materials for semiconductors, aerospace platforms, and thermal management, delivering lightweight, high-performance solutions for electronics, aviation, electrified vehicles, and related industries. Its processes include roll-to-roll manufacturing with in-line quality control to support scalable production and consistent quality across applications.

Techstyle Materials develops multifunctional construction materials that increase energy efficiency, improve comfort, increase durability, and simplify the construction of buildings. The company was founded in 2018 and is headquartered in Somerville, Massachusetts.

Verdox is dedicated to reversing climate change through the development and deployment of advanced technology. The company’s proprietary electro-swing process, developed at MIT, enables carbon dioxide and other acid gases to be captured with up to 80% less energy and 70% less cost than conventional approaches.

Sistine Solar, Inc. is a renewable energy company based in Somerville, Massachusetts, established in 2012. The company specializes in manufacturing SolarSkin, a product that camouflages solar panels to blend seamlessly with various roofing styles. Sistine Solar offers a range of customizable solar panel options, including architectural shingles, 3-tab shingles, concrete tiles, seamed metal roofs, and bespoke designs. By utilizing techniques from solar photovoltaics, color science, and cognitive sciences, Sistine Solar enables homeowners to personalize their solar installations, allowing for a harmonious integration of renewable energy solutions with the aesthetic preferences of their residences.

Blackburn Energy develops and manufactures RelGen, a vehicle electrification technology that converts the kinetic energy from a truck's drive shaft into electricity stored in a battery array to power truck subsystems such as electric APUs, liftgates, climate control, and sensors. The RelGen system, along with a 48V charging platform and anti-idling solutions, enables fleets to reduce fuel use, lower maintenance costs, and cut emissions by powering accessories without engine idle. The company promotes integrated systems including kinetic energy recovery, electric AC, and heat recovery, and serves commercial trucking fleets, liftgates and bucket service vehicles, and fleets supporting overnight accommodations and driver-assist features. Based in Amesbury, Massachusetts, Blackburn Energy was established in 2008 and has provided electrification solutions to large users including fleets associated with General Motors, AB InBev, and the US Marines.

Boston Materials designs and manufactures advanced composite materials, including carbon fiber pre-pregs enabled by its patented Z-axis Fiber technology, which uses vertically aligned carbon fibers to improve energy transfer. The company produces magnetically assembled carbon fiber pre-pregs and other specialty materials for semiconductors, aerospace platforms, and thermal management, delivering lightweight, high-performance solutions for electronics, aviation, electrified vehicles, and related industries. Its processes include roll-to-roll manufacturing with in-line quality control to support scalable production and consistent quality across applications.

Energetic Insurance, Inc. is an InsurTech company based in Boston, Massachusetts, founded in 2016. It specializes in providing solar insurance solutions that address credit and counterparty risks associated with commercial and industrial solar photovoltaic projects. The company offers a product called EneRate, which protects third-party solar developers and asset owners from repayment risks and revenue losses due to defaults on power purchase agreements (PPAs). Energetic Insurance employs a data-driven approach as a Managing General Underwriter, developing innovative risk management products that facilitate solar financing for unrated or below investment grade organizations. This enables solar project developers to undertake more projects and access capital by mitigating payment default risks, thereby enhancing project economics through lower interest rates and improved financial structuring.

Idle Smart is a technology company that provides AI-powered idle reduction and predictive maintenance solutions for commercial trucking fleets. Its platform uses real-time vehicle data and proprietary control algorithms to reduce unnecessary idling, improve asset uptime, and lower operating costs and carbon emissions. The company markets automated engine start-stop systems for fleet vehicles such as day cabs, electric APUs, and school buses, delivering automation that reduces overnight idle time and supports North American operations.

Takachar is a company focused on transforming agricultural waste into valuable products, particularly eco-friendly cooking fuel. Operating primarily in Kenya, it has developed low-cost technologies that enable the conversion of unmanaged agricultural residues into charcoal, a non-toxic and affordable energy source for low-income households. Over the past three years, Takachar has established or assisted seven locally run waste-to-charcoal enterprises, some of which have achieved operational profitability. The company has successfully created approximately 100 jobs and sold 50 tons of its eco-char product. By utilizing oxygen-lean torrefaction reactors, Takachar helps farmers reduce waste through recycling, allowing them to generate additional income while preventing open burning of agricultural residues. The company aims to demonstrate the financial sustainability of these enterprises as a foundation for expanding its franchise network in the future.

Littoral Power Systems develops, manufactures, and installs hydropower and ocean energy products. These products aim to reduce the time, cost, and risk associated with building renewable energy projects while minimizing environmental impact.

Boston Materials designs and manufactures advanced composite materials, including carbon fiber pre-pregs enabled by its patented Z-axis Fiber technology, which uses vertically aligned carbon fibers to improve energy transfer. The company produces magnetically assembled carbon fiber pre-pregs and other specialty materials for semiconductors, aerospace platforms, and thermal management, delivering lightweight, high-performance solutions for electronics, aviation, electrified vehicles, and related industries. Its processes include roll-to-roll manufacturing with in-line quality control to support scalable production and consistent quality across applications.

change:WATER Labs develops innovative technologies to provide safe and dignified sanitation solutions to non-sewered households and communities.

Metalmark Innovations, Inc. focuses on developing and delivering advanced 3D nanostructured coatings designed to treat airborne pollutants and toxins, enhancing indoor air quality. The company offers its innovative materials as additive coatings for various applications, including building materials and vehicle interiors, effectively addressing pollutants such as hydrocarbons, carbon monoxide, ozone, PM2.5, volatile organic compounds, odors, and germs. Its air cleaning technology employs catalytic materials that filter air with nanoscale precision, contributing to solutions for air pollution and climate change challenges. Founded in 2017 and headquartered in Boston, Massachusetts, Metalmark Innovations was previously known as Aircrew Technologies, Inc. before rebranding in January 2019.

Greenlots is a developer of electric vehicle charging networks headquartered in Los Angeles, California. The company specializes in innovative software and services that facilitate the deployment of EV charging infrastructure for utilities, cities, communities, and automakers. By integrating network management software with charging optimization and grid balancing services, Greenlots provides a comprehensive platform that enhances the efficiency of charging infrastructure. Their technology includes a user-friendly mobile app designed for drivers, site hosts, and network operators, promoting a safer, cleaner, and smarter electric mobility future. With a global presence spanning three continents and operations in 13 countries, Greenlots is positioned to support the growing demand for electric vehicle charging solutions.

Borrego Solar is solving the world’s energy problems by accelerating the adoption of renewable energy. Their people are committed to excellence in every aspect of solar design, construction and operation.

SLIPS Technologies (slipstechnologies.com) is the leader in providing customized solutions for sticky problems in materials. We create highly-repellent slippery surfaces for customers in all industries including: energy, packaging, consumer, automotive and environmental. Our portfolio of pioneering and award-winning technologies and our years of know-how were created at the Wyss Institute for Biologically Inspired Engineering and the Harvard University School of Engineering and Applied Sciences.

Upstream Tech specializes in software development for environmental monitoring. They combine expertise in software, machine learning, hydrology, and earth sciences to create accessible remote sensing tools. Their products accelerate global environmental work by providing precise, large-scale data on freshwater conservation.

Poly6 Technologies, Inc. is a Boston-based company that specializes in digital manufacturing solutions for the biotechnology, aerospace, and electronics industries. Established in 2016 and emerging from MIT's Langer Lab, Poly6 develops innovative stimuli-responsive materials systems that facilitate the integration of hardware, software, and materials within existing production processes. Utilizing advanced 3D printing technology, the company focuses on creating intelligent materials that enhance engineering design capabilities and improve system efficiency. Poly6's solutions allow for the production of complex components with better tolerance control, significantly reducing costs in established manufacturing sectors by up to 30%. Additionally, the company is committed to environmental sustainability, having developed a novel bioplastic from citrus waste, which aims to mitigate pollution in manufacturing practices.

Wright Electric Inc. is a manufacturer of commercial electric airplanes, focusing on reducing costs and emissions in the aviation industry. Founded in 2016 and headquartered in Los Angeles, California, the company utilizes unique propulsion technology to create aircraft that eliminate emissions without relying on offsets. This innovation aims to make zero-emissions flight as economically viable as traditional fossil-fueled aviation, marking a significant step towards the electrification of the aerospace sector and fostering a sustainable future for air travel.

Established in 2011, Greentown Labs offers shared workspace, prototyping facilities, and event spaces for businesses focused on climate technology, clean energy, and environmental industries. Its mission is to foster a vibrant community of entrepreneurs by providing access to resources, funding, and collaborative spaces.

Stop & Shop Supermarket Company LLC operates 398 supermarkets across Massachusetts, Connecticut, Rhode Island, New York, and New Jersey, employing approximately 60,000 associates. The supermarket chain provides a wide range of grocery items, including fruits, vegetables, meat, and seafood. Committed to supporting local communities, Stop & Shop focuses on initiatives to combat hunger, childhood cancer, and promote health and wellness, particularly through educational programs for children. The company is dedicated to sustainability, being a member of the U.S. Green Building Council and the EPA’s Smart Way program, with 54 stores certified under LEED (EB) for their environmentally friendly practices and recognized by the EPA for superior energy management.

change:WATER Labs develops innovative technologies to provide safe and dignified sanitation solutions to non-sewered households and communities.

Blackburn Energy develops and manufactures RelGen, a vehicle electrification technology that converts the kinetic energy from a truck's drive shaft into electricity stored in a battery array to power truck subsystems such as electric APUs, liftgates, climate control, and sensors. The RelGen system, along with a 48V charging platform and anti-idling solutions, enables fleets to reduce fuel use, lower maintenance costs, and cut emissions by powering accessories without engine idle. The company promotes integrated systems including kinetic energy recovery, electric AC, and heat recovery, and serves commercial trucking fleets, liftgates and bucket service vehicles, and fleets supporting overnight accommodations and driver-assist features. Based in Amesbury, Massachusetts, Blackburn Energy was established in 2008 and has provided electrification solutions to large users including fleets associated with General Motors, AB InBev, and the US Marines.

Tessolar is a developer focused on enhancing the performance of solar photovoltaic systems while lowering installation costs. The company specializes in integrated racking products designed for the efficient installation of solar panels, catering to both rooftop and ground mount applications. By utilizing aerospace-quality composite materials, Tessolar's innovative solutions facilitate faster installations and help reduce both soft and hard costs throughout the deployment process. Through its commitment to design innovation, Tessolar aims to advance the solar industry and enhance the accessibility of renewable energy solutions.

7AC Technologies Inc. is a company based in Beverly, Massachusetts, that specializes in innovative HVAC solutions using a unique membrane-isolated plastic plate technology. Founded in 2009 and formerly known as 7Solar Technologies, the company focuses on developing ultra-efficient liquid desiccant systems designed for commercial and industrial buildings. These systems offer significant energy savings, achieving over a 50% reduction in energy costs compared to traditional HVAC units. As of November 2020, 7AC Technologies operates as a subsidiary of Emerson Electric Co.

CleanFiber, LLC is a manufacturer of cellulose insulation materials designed for use in attics, walls, and floors of both residential and commercial buildings. Founded in 2013 and headquartered in Blasdell, New York, with an additional office in Buffalo, the company specializes in producing high-performance, carbon-negative insulation from recycled corrugated cardboard. This innovative approach not only promotes sustainability but also enables construction companies to build fire-resistant structures while maintaining cost competitiveness. CleanFiber has transitioned from its former name, UltraCell Insulation, LLC, in September 2018, and is currently focused on rapidly scaling up production to meet growing demand in the insulation market.

Established in 2011, Greentown Labs offers shared workspace, prototyping facilities, and event spaces for businesses focused on climate technology, clean energy, and environmental industries. Its mission is to foster a vibrant community of entrepreneurs by providing access to resources, funding, and collaborative spaces.

CleanFiber, LLC is a manufacturer of cellulose insulation materials designed for use in attics, walls, and floors of both residential and commercial buildings. Founded in 2013 and headquartered in Blasdell, New York, with an additional office in Buffalo, the company specializes in producing high-performance, carbon-negative insulation from recycled corrugated cardboard. This innovative approach not only promotes sustainability but also enables construction companies to build fire-resistant structures while maintaining cost competitiveness. CleanFiber has transitioned from its former name, UltraCell Insulation, LLC, in September 2018, and is currently focused on rapidly scaling up production to meet growing demand in the insulation market.

Anfiro, Inc. is a water technology start-up based in Cambridge, Massachusetts, founded in 2014. The company specializes in developing advanced reverse osmosis membranes using self-assembling polymers that are both chlorine resistant and exhibit ultra-high permeability. These innovative membranes significantly enhance the efficiency of water purification and desalination processes, allowing for reduced energy requirements and lower operating costs. By addressing the critical issue of global freshwater scarcity, Anfiro aims to provide clean and affordable water solutions, thereby contributing to a more sustainable future.

Established in 2011, Greentown Labs offers shared workspace, prototyping facilities, and event spaces for businesses focused on climate technology, clean energy, and environmental industries. Its mission is to foster a vibrant community of entrepreneurs by providing access to resources, funding, and collaborative spaces.

Thermeleon specializes in energy-efficient greenhouse solutions. Their core product is a next-generation screening system that passively cools and heats greenhouses. This system integrates thermal energy storage, absorbing excess heat during the day and releasing it at night, significantly reducing both gas costs and CO2 emissions.

Takachar is a company focused on transforming agricultural waste into valuable products, particularly eco-friendly cooking fuel. Operating primarily in Kenya, it has developed low-cost technologies that enable the conversion of unmanaged agricultural residues into charcoal, a non-toxic and affordable energy source for low-income households. Over the past three years, Takachar has established or assisted seven locally run waste-to-charcoal enterprises, some of which have achieved operational profitability. The company has successfully created approximately 100 jobs and sold 50 tons of its eco-char product. By utilizing oxygen-lean torrefaction reactors, Takachar helps farmers reduce waste through recycling, allowing them to generate additional income while preventing open burning of agricultural residues. The company aims to demonstrate the financial sustainability of these enterprises as a foundation for expanding its franchise network in the future.

SolidEnergy Systems Corp. develops and manufactures rechargeable lithium metal batteries primarily for applications in drones, wearables, smartphones, and electric vehicles. Founded in 2012 and based in Woburn, Massachusetts, the company focuses on producing high-performance lithium metal batteries and supplying essential materials, such as anodes and electrolytes, to major lithium-ion cell manufacturers. These materials can be integrated into existing manufacturing processes, allowing for scalability without significant infrastructure investments. SolidEnergy's pilot-scale production caters to prototype demonstrations and specialized aerospace markets, while its future growth is aimed at mainstream sectors like consumer electronics and electric vehicles. Additionally, the company is involved in developing AI-powered safety algorithms and recycling solutions, positioning itself as an integrated battery manufacturer with a commitment to innovation and sustainability.

7AC Technologies Inc. is a company based in Beverly, Massachusetts, that specializes in innovative HVAC solutions using a unique membrane-isolated plastic plate technology. Founded in 2009 and formerly known as 7Solar Technologies, the company focuses on developing ultra-efficient liquid desiccant systems designed for commercial and industrial buildings. These systems offer significant energy savings, achieving over a 50% reduction in energy costs compared to traditional HVAC units. As of November 2020, 7AC Technologies operates as a subsidiary of Emerson Electric Co.