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.

BitEnergy AI is a technology company specializing in the development of advanced AI inference technology. This innovation consumes just one-tenth the energy of existing solutions, making it a more sustainable and cost-effective option for artificial intelligence applications. The company's offerings include novel neural network architectures, neuro-symbolic large models, and first-principle grounded tools. These enable clients to integrate their models with knowledge graphs and reasoning engines, leading to precise data retrieval, transparent decision-making, reduced AI costs, and streamlined processes.

Triton Anchor specializes in subsea technology focused on enhancing anchoring systems for offshore applications. The company provides innovative anchoring station-keeping solutions, accommodating various configurations, including catenary and tension leg systems, suitable for all soil types. Triton Anchor's technology features a lightweight, modular design that can be installed quietly, making it ideal for offshore wind turbines. This approach allows clients to optimize their anchor services while maintaining cost efficiency.

Lithios is a technology company that uses electrochemistry for advanced lithium extraction from complex mixtures and untapped brine resources, applying electrochemical methods to capture and release lithium and enable low-cost, selective extraction for industries pursuing a sustainable, electrified future.

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.

Found Energy develops aluminum-based fuel that converts aluminum scrap and waste into a carbon-free energy carrier. It recovers aluminum waste from landfills and, through a carbon-free process, produces hydrogen on demand at under $0.50 per kilogram, with hydrogen having five times the volumetric energy density of liquid hydrogen. The aluminum fuel is designed to supply carbon-free thermal power to heavy industries, offering competitiveness with fossil fuels in price and energy density and enabling a faster transition to renewable energy.

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.

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

Benchmark Labs is a San Francisco-based company specializing in AI-driven weather forecasting systems tailored for the agricultural sector and other industries. The firm provides asset-specific weather information that enhances operational efficiency and infrastructure reliability amidst changing weather conditions. By utilizing IoT sensor technology, Benchmark Labs delivers accurate forecasts that are essential for optimizing renewable energy generation and managing water resources. Its innovative platform enables clients to navigate weather variability effectively, ensuring smoother operations across various applications.

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.

Blaze Power operates as a lithium-ion battery materials manufacturer. It innovates and commercializes iron-based cathode materials to enable mass-market electrification in transportation and energy storage. The company is driven to industrialize these cathodes in purpose-built inflation reduction act-compliant facilities.

Active Surfaces, a Massachusetts-based company, specializes in commercializing ultra-thin-film solar technology developed at MIT. Its core business involves creating flexible, lightweight solar panels that can be seamlessly integrated into everyday materials and surfaces, revolutionizing the conventional energy sector. The company's innovative manufacturing approach significantly reduces production costs, making solar power more accessible and affordable. This technology presents a transformational opportunity for semiconductor and electronics manufacturing, driving down costs for both module production and installation. By enabling virtually any surface to generate power, Active Surfaces aims to accelerate the transition to a cleaner, more sustainable future.

MacroCycle Technologies is a company developing a chemical recycling process to convert polyethylene terephthalate (PET) and polyester-fiber waste into virgin-grade plastics. Their proprietary technology, based on synthesizing cyclic macromolecules, enables the production of recycled PET with lower energy use than traditional methods. This process offers a sustainable, zero-carbon, and cost-competitive solution for plastic upcycling, contributing to a circular economy.

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.

Triton Anchor specializes in subsea technology focused on enhancing anchoring systems for offshore applications. The company provides innovative anchoring station-keeping solutions, accommodating various configurations, including catenary and tension leg systems, suitable for all soil types. Triton Anchor's technology features a lightweight, modular design that can be installed quietly, making it ideal for offshore wind turbines. This approach allows clients to optimize their anchor services while maintaining cost efficiency.

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.

Via Separations, Inc. is a company that specializes in developing membrane-based products for the separation of industrial liquids, aimed at enhancing efficiency in challenging industrial environments. Founded in 2016 and based in Somerville, Massachusetts, the company focuses on industrial decarbonization through innovative chemistries that significantly reduce energy consumption in manufacturing processes. Via's technology allows facilities to cut energy usage by 90% during chemical separation, replacing traditional heat-based methods with a highly selective and robust membrane filtration system. This advancement not only helps to minimize the environmental impact of industrial processes, but it also creates additional revenue opportunities for customers. Currently, Via is conducting pilot trials at pulp and paper facilities with the goal of eliminating 100 million metric tons of CO2 emissions by 2050. The company has successfully scaled its technology and demonstrated working prototypes at a commercial level, having emerged from MIT's Department of Material Science & Engineering.

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.

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.

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.

Multiscale Systems produces industrial innovations through technical engineering services and a robust in-house R&D program. The company specializes in metamaterial composites and focuses on advanced manufacturing.

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.

UMass Clean Energy Extension provides a resource to reduce market barriers and accelerate the adoption of clean energy for Massachusetts cities and towns, businesses, institutions, farms, low-income and multiunit housing, and others.

Solstice facilitates shared solar energy solutions, aggregating consumer demand and connecting households with community solar projects. Founded in 2016, it aims to increase access to affordable renewable energy regardless of income or credit score.

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.

EnergySage, LLC is an online marketplace based in Boston, Massachusetts, that specializes in solar and clean energy technologies for homeowners, businesses, and non-profits. Founded in 2009, the company provides a platform that enables consumers to explore a variety of energy solutions, including rooftop solar, battery storage, community solar, heat pumps, electric vehicle charging, and more. EnergySage offers educational content, analytical tools, and standardized shopping experiences, allowing users to request and compare competitive quotes from pre-screened installers. This facilitates informed decision-making and streamlines the process of selecting and installing clean energy systems, making it a valuable resource for those seeking sustainable energy alternatives.

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.

FLxDER creates a prototype of its cloud-based software to optimize electric fleet vehicle charging so as to reduce electric grid impacts and costs, and coordinate operation with other distributed energy resources.

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.

Titan Advanced Energy Solutions, Inc. is a developer of advanced battery management systems specifically for lithium-ion batteries. Founded in 2016 and based in Somerville, Massachusetts, the company utilizes patented ultrasound technology to enhance battery performance, achieving over 99% accuracy in state of health and state of charge assessments. This technology offers substantial benefits, including a minimum 20% increase in charge capacity and a 125% extension in battery life, while also providing real-time monitoring and balancing at the cell level. Titan's solutions cater to various industries, including electric vehicles, stationary energy storage, mobile devices, and battery manufacturing. Their ionView technology is competitively priced compared to traditional systems, delivering significant advantages to manufacturers, integrators, and end-users in the automotive and consumer markets, thereby contributing to the electrification and decarbonization efforts for a sustainable future.

ADL Ventures is a Toronto-based capital pool company that identifies and evaluates opportunities to acquire assets or businesses, and develops and deploys new services and products for legacy‑sector corporations.

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.

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 Labs manufactures renewable energy equipment from industrial plants, landfills or directly from air.

Plug In America is a coalition of RAV4-EV drivers, former lessees of Honda EV+, GM EV1, Ford Ranger and Ford Th!nk City electric cars, and advocates of energy independence and clean air. Prior to 2008, we functioned as a loose network of individuals organized around various websites like dontcrush.com and saveEV1.com. We then coalesced into a chapter of the Electric Auto Association. On January 2, 2008, Plug In America became a separate California non-profit corporation. On August 18, 2008, we became an official 501(c)(3) public charity! Our Mission Plug In America drives change. We accelerate the shift to plug-in vehicles powered by clean, affordable, domestic electricity to reduce our nation's dependence on petroleum and improve the global environment.

Highland Electric Transportation is a comprehensive turnkey solutions provider that delivers electric school buses (EVSB) to school districts and third-party managed fleet providers (3PMs).

E4TheFuture promotes residential clean energy and sustainable resource solutions to advance climate protection and economic fairness.

Enel X is a company that specializes in energy supply and optimization, aiming to promote more autonomous and sustainable energy consumption. It provides energy intelligence software (EIS) and demand response services through its software-as-a-service (SaaS) platform, which enables enterprises to manage their energy costs effectively, mitigate risks, and streamline compliance and sustainability reporting. In addition to these services, Enel X offers access to demand response programs globally, creating a valuable revenue stream for businesses while providing utilities and grid operators with a reliable and cost-effective demand-side resource. This focus on innovative energy solutions positions Enel X as a key player in advancing energy efficiency and sustainability in various sectors.

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.

Triton Anchor specializes in subsea technology focused on enhancing anchoring systems for offshore applications. The company provides innovative anchoring station-keeping solutions, accommodating various configurations, including catenary and tension leg systems, suitable for all soil types. Triton Anchor's technology features a lightweight, modular design that can be installed quietly, making it ideal for offshore wind turbines. This approach allows clients to optimize their anchor services while maintaining cost efficiency.

Alloy Enterprises is a Somerville, Massachusetts-based developer of 3D printing technologies and industrial-engineered products aimed at reducing inefficiencies in conventional manufacturing. The company has developed an aluminum additive technology that enables dense, low-cost parts without relying on expensive or hazardous powders, addressing limitations in traditional methods and supporting advances in lightweight components and emissions reduction.

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.

Gridtwin is a SaaS-based company providing software tools to both energy developers and utilities to streamline the interconnection process. Gridtwin was founded by researchers and graduates from the MIT Energy Initiative who were passionate about modernizing the electricity network and developing tools to facilitate that process. Gridtwin is based in Cambridge, Massachusetts.

Multiscale Systems produces industrial innovations through technical engineering services and a robust in-house R&D program. The company specializes in metamaterial composites and focuses on advanced manufacturing.

Flux Marine develops electric marine propulsion systems that deliver high performance while minimizing environmental impact. Their motors utilize solid-state components for no emissions, reduced maintenance, increased efficiency, and lower noise pollution.

VIA Science, Inc. is a technology company that develops an artificial intelligence (AI) application tailored for the energy sector. Founded in 2016 and headquartered in Somerville, Massachusetts, with an additional office in Montreal, Canada, VIA provides a blockchain-based application called Trusted Analytics Chain. This platform aggregates company-wide data, allowing organizations to analyze information across multiple locations securely. VIA focuses on addressing asset management and operational challenges in collaboration with key stakeholders in the energy industry, including governments and large utilities. Its innovative solutions leverage AI and causal analytics to prioritize risks to critical infrastructure, facilitating encrypted analysis of sensitive data and enhancing initiatives such as predictive maintenance and contingency planning.

Pioneer Valley Coral & Natural Science Institute is helping to bring sustainability to the marine reef industry by growing aquacultured corals while supporting natural science research.

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.

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.

Titan Advanced Energy Solutions, Inc. is a developer of advanced battery management systems specifically for lithium-ion batteries. Founded in 2016 and based in Somerville, Massachusetts, the company utilizes patented ultrasound technology to enhance battery performance, achieving over 99% accuracy in state of health and state of charge assessments. This technology offers substantial benefits, including a minimum 20% increase in charge capacity and a 125% extension in battery life, while also providing real-time monitoring and balancing at the cell level. Titan's solutions cater to various industries, including electric vehicles, stationary energy storage, mobile devices, and battery manufacturing. Their ionView technology is competitively priced compared to traditional systems, delivering significant advantages to manufacturers, integrators, and end-users in the automotive and consumer markets, thereby contributing to the electrification and decarbonization efforts for a sustainable future.

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.

Via Separations, Inc. is a company that specializes in developing membrane-based products for the separation of industrial liquids, aimed at enhancing efficiency in challenging industrial environments. Founded in 2016 and based in Somerville, Massachusetts, the company focuses on industrial decarbonization through innovative chemistries that significantly reduce energy consumption in manufacturing processes. Via's technology allows facilities to cut energy usage by 90% during chemical separation, replacing traditional heat-based methods with a highly selective and robust membrane filtration system. This advancement not only helps to minimize the environmental impact of industrial processes, but it also creates additional revenue opportunities for customers. Currently, Via is conducting pilot trials at pulp and paper facilities with the goal of eliminating 100 million metric tons of CO2 emissions by 2050. The company has successfully scaled its technology and demonstrated working prototypes at a commercial level, having emerged from MIT's Department of Material Science & Engineering.

Founded in 2018, Onvector specializes in non-chemical water treatment technologies using plasma, advanced oxidation, and disinfection processes. Its Plasma Vortex technology effectively treats hard-to-treat contaminants like PFAS chemicals in industrial wastewater.

Exact Lux specializes in the development of advanced LED lighting systems that leverage its proprietary Light Maintenance technology to address the common issue of light depreciation associated with traditional LEDs. The company's innovative solutions include remote monitoring capabilities through integrated sensors, ensuring optimal lighting levels for users. Additionally, Exact Lux offers a range of horticultural lighting fixtures that can be adjusted to meet specific intensity requirements, allowing clients to maintain consistent light output throughout the five-year warranty period of the system.

Titan Advanced Energy Solutions, Inc. is a developer of advanced battery management systems specifically for lithium-ion batteries. Founded in 2016 and based in Somerville, Massachusetts, the company utilizes patented ultrasound technology to enhance battery performance, achieving over 99% accuracy in state of health and state of charge assessments. This technology offers substantial benefits, including a minimum 20% increase in charge capacity and a 125% extension in battery life, while also providing real-time monitoring and balancing at the cell level. Titan's solutions cater to various industries, including electric vehicles, stationary energy storage, mobile devices, and battery manufacturing. Their ionView technology is competitively priced compared to traditional systems, delivering significant advantages to manufacturers, integrators, and end-users in the automotive and consumer markets, thereby contributing to the electrification and decarbonization efforts for a sustainable future.

INroof.solar specializes in innovative solar roofing systems that seamlessly integrate solar technology into the architecture of homes. By combining premium roofing materials with a unique solar thermal collection system, INroof.solar transforms the roof into a solar panel, offering a streamlined and aesthetically pleasing appearance. Their Nor’easter solar metal roof panels are specifically designed for cool weather, featuring a smooth coating that facilitates snow shedding and can even heat the roof to melt ice when necessary. In addition to solar hot water and space heating, these panels support radiant floor heating and swimming pool heating, making them a versatile choice for various energy needs. Furthermore, INroof panels are compatible with geothermal heating systems, positioning them as a leading solution for homeowners seeking the benefits of solar energy without the conventional look of traditional solar panels.

SteamIQ, established in 2017 and headquartered in Hingham, Massachusetts, specializes in steam trap monitoring systems. Their core product is an advanced, ultrasonic-based system that continuously monitors steam traps in industrial facilities. This data is then analyzed via a cloud-based platform, providing real-time insights into trap health and performance. By proactively identifying and addressing failures, SteamIQ helps facilities enhance efficiency, reduce energy consumption, and minimize downtime.

Via Separations, Inc. is a company that specializes in developing membrane-based products for the separation of industrial liquids, aimed at enhancing efficiency in challenging industrial environments. Founded in 2016 and based in Somerville, Massachusetts, the company focuses on industrial decarbonization through innovative chemistries that significantly reduce energy consumption in manufacturing processes. Via's technology allows facilities to cut energy usage by 90% during chemical separation, replacing traditional heat-based methods with a highly selective and robust membrane filtration system. This advancement not only helps to minimize the environmental impact of industrial processes, but it also creates additional revenue opportunities for customers. Currently, Via is conducting pilot trials at pulp and paper facilities with the goal of eliminating 100 million metric tons of CO2 emissions by 2050. The company has successfully scaled its technology and demonstrated working prototypes at a commercial level, having emerged from MIT's Department of Material Science & Engineering.

affordable, open book, and professional coding for cleantech companies

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.

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.

Aclarity, LLC is a United States-based manufacturer specializing in innovative water purification devices for residential use. Founded in 2017, the company develops advanced electrochemical water treatment systems that effectively eliminate contaminants such as pathogens, metals, volatile organic compounds (VOCs), per- and polyfluoroalkyl substances (PFAS), and ammonia from water. Aclarity's patented technology aims to provide cost-effective, low-maintenance solutions for comprehensive water treatment, catering to the growing need for clean water and addressing pollution challenges in both water and wastewater systems. As a venture capital-backed cleantech startup, Aclarity is focused on revolutionizing the water treatment industry with its cutting-edge approach.

Vata Verks is a technology company that specializes in non-invasive, high-resolution data acquisition solutions for water and natural gas usage in buildings. They manufacture sensors that monitor utility consumption and detect leaks, helping clients optimize resource usage and conserve water and gas.

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.

EnergySage, LLC is an online marketplace based in Boston, Massachusetts, that specializes in solar and clean energy technologies for homeowners, businesses, and non-profits. Founded in 2009, the company provides a platform that enables consumers to explore a variety of energy solutions, including rooftop solar, battery storage, community solar, heat pumps, electric vehicle charging, and more. EnergySage offers educational content, analytical tools, and standardized shopping experiences, allowing users to request and compare competitive quotes from pre-screened installers. This facilitates informed decision-making and streamlines the process of selecting and installing clean energy systems, making it a valuable resource for those seeking sustainable energy alternatives.

Solstice facilitates shared solar energy solutions, aggregating consumer demand and connecting households with community solar projects. Founded in 2016, it aims to increase access to affordable renewable energy regardless of income or credit score.

Founded in 2008, Alkemy Environmental specializes in recycling industrial waste streams into concrete aggregates. Its primary products are expandable lightweight aggregate, ultra-lightweight aggregate, and high-strength lightweight aggregate. The company also offers waste management services to its clients.

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

Titan Advanced Energy Solutions, Inc. is a developer of advanced battery management systems specifically for lithium-ion batteries. Founded in 2016 and based in Somerville, Massachusetts, the company utilizes patented ultrasound technology to enhance battery performance, achieving over 99% accuracy in state of health and state of charge assessments. This technology offers substantial benefits, including a minimum 20% increase in charge capacity and a 125% extension in battery life, while also providing real-time monitoring and balancing at the cell level. Titan's solutions cater to various industries, including electric vehicles, stationary energy storage, mobile devices, and battery manufacturing. Their ionView technology is competitively priced compared to traditional systems, delivering significant advantages to manufacturers, integrators, and end-users in the automotive and consumer markets, thereby contributing to the electrification and decarbonization efforts for a sustainable future.

Watchtower Robotics is a company specializing in advanced leakage detection technology aimed at mitigating water breaks and minimizing infrastructure damage. The company develops innovative robots that accurately identify leaks in water distribution pipes without disrupting service. By enabling early detection of potential water issues, Watchtower Robotics allows clients to take proactive measures to prevent costly water leakage and infrastructure deterioration. Their technology focuses on enhancing the efficiency and reliability of water management systems, contributing to better resource conservation and operational sustainability.

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.

The Community Clean Energy Project (CCEP) model involves consumers, utilities, community stakeholders, technology companies, funders, Federal/State energy programs, clean energy, and mobility organizations, and local government as partners committed to reliable, clean energy future.

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.

EnerNOC provides technology-enabled energy management solutions to assist utilities and grid operators in maintaining the real-time balance between supply and demand. Their services help optimize energy usage and improve grid reliability for their clients.

Tesla designs and manufactures electric vehicles and energy generation and storage systems, pursuing a vertically integrated approach to product and software development. It offers a full range of electric cars, including sedans and crossover models, and markets its vehicles through company-owned stores and its website. The company also produces and sells stationary energy storage batteries for residential, commercial, and utility use, and provides solar energy generation and solar storage products. It operates a fast-charging network and develops autonomous driving software. Headquartered in Palo Alto, California, Tesla serves international markets and aims to accelerate the transition to sustainable mobility through innovation across vehicles, energy, and software.

Solect Energy, located in Hopkinton, Massachusetts, is a prominent leader in the commercial-scale solar sector. The company specializes in providing solar energy solutions tailored for businesses, emphasizing the development, design, and implementation of solar projects that enhance sustainability and reduce energy costs. With a commitment to advancing renewable energy, Solect Energy plays a significant role in helping organizations transition to cleaner energy sources, contributing to both environmental goals and economic benefits. Through its expertise and innovative approach, the company has established itself as a key player in the growing solar energy market.

Sunrun is a United States-based provider of residential solar electricity and related solar power services for homeowners. It designs, owns, and maintains solar energy systems and offers a solar service model in which customers pay for the electricity produced rather than the panels; Sunrun retains ownership of the systems and provides battery storage and related products. The company markets its offerings directly to homeowners through online and offline channels and collaborates with a network of installers and partners to deliver installations. Founded in 2007 and headquartered in San Francisco, Sunrun operates across multiple states and typically signs long-term agreements to supply power at fixed rates.

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.

CIMCON Lighting, established in 2012, specializes in developing web-based wireless outdoor lighting management systems. Headquartered in Burlington, Massachusetts, the company serves utilities, municipalities, ESCOs, and commercial customers by providing solutions for traditional, LED, and solar-based street lights. Their offerings include the LightingGale software for automated streetlight management, wireless controllers like iSLC-3100 with dimming capabilities, and the NearSky platform for smart city applications. CIMCON's systems enable clients to remotely monitor and control outdoor lighting fixtures, reducing energy consumption and maintenance costs while transforming existing infrastructure into a foundation for smart city solutions.

BrightSpot Automation provides the solar energy industry and photovoltaic researchers with specialized manufacturing and measurement tools.

MTPV Power Corporation, established in 2003 and based in Austin, Texas, specializes in innovative clean energy solutions. The company focuses on developing Micron-gap ThermalPhotoVoltaics (MTPV) technology, originally researched at MIT and Draper Laboratory before being brought under MTPV Power's umbrella. Their core product is semiconductor chips designed to convert waste heat from various sources into usable electricity, benefiting industrial businesses by enhancing productivity while reducing energy costs.

INroof.solar specializes in innovative solar roofing systems that seamlessly integrate solar technology into the architecture of homes. By combining premium roofing materials with a unique solar thermal collection system, INroof.solar transforms the roof into a solar panel, offering a streamlined and aesthetically pleasing appearance. Their Nor’easter solar metal roof panels are specifically designed for cool weather, featuring a smooth coating that facilitates snow shedding and can even heat the roof to melt ice when necessary. In addition to solar hot water and space heating, these panels support radiant floor heating and swimming pool heating, making them a versatile choice for various energy needs. Furthermore, INroof panels are compatible with geothermal heating systems, positioning them as a leading solution for homeowners seeking the benefits of solar energy without the conventional look of traditional solar panels.

AquaFresco is a company focused on transforming the cleaning market through its innovative wastewater recycling system, which addresses the substantial need for sustainable practices in laundry services. Founded in 2014 as a spin-off from the MIT MADMEC competition, AquaFresco has developed a patented technology that allows for the regeneration of laundry wastewater, significantly reducing water and detergent usage by up to 95%. The system is currently undergoing testing in three pilot hotels and three commercial laundry facilities, demonstrating its potential for widespread adoption. With full ownership of its intellectual property, AquaFresco has garnered recognition in the industry, including the MassChallenge Gold Award in 2015. The company is committed to completing product development and pilot testing within the next six months, further advancing its mission to bring this groundbreaking technology to market.

Via Separations, Inc. is a company that specializes in developing membrane-based products for the separation of industrial liquids, aimed at enhancing efficiency in challenging industrial environments. Founded in 2016 and based in Somerville, Massachusetts, the company focuses on industrial decarbonization through innovative chemistries that significantly reduce energy consumption in manufacturing processes. Via's technology allows facilities to cut energy usage by 90% during chemical separation, replacing traditional heat-based methods with a highly selective and robust membrane filtration system. This advancement not only helps to minimize the environmental impact of industrial processes, but it also creates additional revenue opportunities for customers. Currently, Via is conducting pilot trials at pulp and paper facilities with the goal of eliminating 100 million metric tons of CO2 emissions by 2050. The company has successfully scaled its technology and demonstrated working prototypes at a commercial level, having emerged from MIT's Department of Material Science & Engineering.

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.

Essess is a technology company that specializes in improving building energy efficiency through its thermal imaging and data analytics platform. The company collects and analyzes energy performance data from a vast number of buildings, synthesizing this information into clear metrics and scores. Essess generates straightforward reports in plain language, making it accessible for building owners to understand potential energy losses and identify areas for improvement. By highlighting issues through easy-to-read thermal images, the platform enables users to implement solutions that enhance comfort and reduce energy costs, thereby promoting greater energy efficiency across large geographic areas.

Tank Utility, Inc. is a Boston-based company, founded in 2014, that specializes in software solutions for the fuel and energy sector. The company designs smart metering devices that utilize wireless sensors to provide real-time tank-level data. Its primary product is a propane monitoring system that combines these sensors with cloud-based applications for efficient business operations. By leveraging innovative business intelligence software, Tank Utility enables fuel distribution companies to minimize unnecessary delivery miles and optimize logistics, thus enhancing customer satisfaction through increased transparency. Additionally, the company offers installation and support services, helping clients improve service efficiency and boost retention rates.

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

EnergySage, LLC is an online marketplace based in Boston, Massachusetts, that specializes in solar and clean energy technologies for homeowners, businesses, and non-profits. Founded in 2009, the company provides a platform that enables consumers to explore a variety of energy solutions, including rooftop solar, battery storage, community solar, heat pumps, electric vehicle charging, and more. EnergySage offers educational content, analytical tools, and standardized shopping experiences, allowing users to request and compare competitive quotes from pre-screened installers. This facilitates informed decision-making and streamlines the process of selecting and installing clean energy systems, making it a valuable resource for those seeking sustainable energy alternatives.

SiEnergy Systems LLC is an early-stage company commercializing a novel thin film solid oxide fuel cell (SOFC) developed at Harvard University. The technology uses inexpensive silicon-based technology and nanometer scale electrolytes to create SOFCs that operate at a commercially desirable temperature and are scalable to meet various power requirements. Thin film SOFC is a promising technology that provides solutions to cost and reliability challenges of fuel cells today.

Building Envelope Materials specializes in creating innovative solutions to enhance the energy efficiency of existing buildings. Founded in 2014, the company initially received a grant from the Massachusetts Clean Energy Center to develop a method for injecting closed-cell polyurethane foam into under-insulated wall cavities. This technology has been refined through further funding from various organizations, enabling the company to significantly increase insulation values in typical fiberglass-filled walls, from R10 to R23, resulting in a reduction of energy usage by 25% or more. Their pinhole insulation technique allows for insulation installation through a small, easily repaired opening, completing the process for an entire home in just one day. The company is expanding its offerings to include insulation solutions for cathedral ceilings, dormer roofs, and flat roofs, while also working on safer alternatives to traditional spray foam for new construction applications. By fully implementing their pinhole insulation across all cavities, Building Envelope Materials aims to double or triple the energy savings compared to conventional weatherization methods.

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.

Loci Controls, Inc. specializes in developing and commercializing automated landfill gas collection systems. The company has created the Loci WellWatcher, which consists of wellhead-mounted hardware and a cloud-based monitoring platform that collects crucial data to enhance landfill gas production. Loci Controls provides real-time monitoring and control of gas composition, pressure, temperature, and flow, resulting in an increase in gas collection efficiency by 20% or more. The company aims to improve safety and reduce operational costs for landfill operators and energy utility customers across the United States. Founded in 2012 and headquartered in Fall River, Massachusetts, Loci Controls combines innovative technology with field service personnel to optimize gas collection and mitigate environmental, health, and safety risks associated with landfill operations.

Bevi develops bottle-less water dispensers for offices and commercial spaces that dispense beverages made from filtered tap water with natural flavors, including real fruit essences. The systems allow users to customize drinks and view nutrition information, while the company emphasizes tracking environmental impact and reducing waste from bottled beverages. The technology is designed to run on the municipal water supply, aiming to transform beverage delivery by offering eco-friendly, healthy hydration options on site.

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.

DropWise Technologies Corp. is a manufacturer of advanced coating materials aimed at enhancing the efficiency and longevity of heat exchange equipment in various industries, including power generation and HVAC/R. The company utilizes a unique vapor-based deposition process to create ultra-thin, durable coatings that are chemically grafted to metal surfaces, significantly improving thermal transport and reducing fouling and corrosion. This innovative technology allows power plants to generate the same amount of electricity while using less coolant water, thereby helping to offset carbon emissions. By offering coatings that are hundreds of times thinner than conventional solutions, DropWise addresses critical challenges in thermal fluid systems, allowing for increased heat transfer and operational efficiency. Established in 2014 and headquartered in Cambridge, Massachusetts, DropWise Technologies leverages intellectual property from leading MIT labs to develop a diverse library of coating materials tailored for various applications, including desalination and chemical refining.