Massachusetts Clean Energy Center

The Massachusetts Clean Energy Center (MassCEC) is a state agency established to promote the growth of the clean energy sector in Massachusetts. Founded in 2009 under the Green Jobs Act, MassCEC focuses on accelerating job creation and economic development within the clean energy industry. The organization provides early-stage investments to startups, offers renewable energy rebates for residents and businesses, and supports workforce development initiatives to prepare individuals for careers in clean energy. By leveraging the state's unique assets, MassCEC aims to facilitate the development of renewable energy projects and establish Massachusetts as a leader in the national and global clean energy landscape.

Stephen Pike

CEO

Emily Reichert

CEO

David Wilson

Senior Investment Associate

Past deals in CleanTech

BlueShift

Pre Seed Round in 2025
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

Grant in 2025
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

Seed Round in 2024
Triton Anchor specializes in subsea technology aimed at improving anchor systems for offshore applications. The company provides innovative anchoring solutions, including catenary and tension leg configurations, suitable for various soil types. Triton Anchor's technology focuses on delivering efficient and cost-effective anchoring station-keeping services, offering a low-weight, modular system that can be silently installed. This versatility allows clients in the offshore wind industry to optimize their anchoring solutions, enhancing performance while reducing costs.

Lithios

Seed Round in 2024
Lithios is a technology company specializing in advanced lithium extraction through innovative electrochemical methods. The firm focuses on capturing and releasing lithium from complex mixtures, which are traditionally challenging to process. By leveraging breakthroughs in applied electrochemistry, Lithios offers solutions that facilitate low-cost and selective extraction of lithium from previously untapped brine resources. This approach not only enhances the efficiency of lithium recovery but also aligns with sustainable practices, supporting the growing demand for lithium in various industries, particularly in the context of an electric future.

Adept Materials

Seed Round in 2024
Adept Materials, founded in 2018 and headquartered in Somerville, Massachusetts, specializes in the production of innovative multi-functional construction and advanced coating materials aimed at enhancing the sustainability of buildings. The company's products are utilized in various applications, including wall panels, sheathing, and roofing, and are designed to improve energy efficiency, comfort, and durability while simplifying construction processes. By passively managing heat and water vapor flows, Adept Materials' solutions help reduce energy consumption for heating and cooling, as well as mitigate risks associated with mold, rot, and other water-related issues in buildings.

Found Energy

Seed Round in 2024
Found Energy is a renewable energy company focused on transforming aluminum into a renewable energy carrier. The company specializes in recovering aluminum waste from landfills and employs a carbon-free process to generate hydrogen on demand, achieving production costs under $0.50 per kilogram. This process yields hydrogen with five times the volumetric energy density of liquid hydrogen, making it a viable alternative to fossil fuels. By providing a sustainable energy solution, Found Energy aims to support heavy industries in their transition to renewable energy sources while maintaining competitive pricing and energy efficiency.

Cala Systems

Seed Round in 2024
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.

MacroCycle Technologies

Grant in 2023
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.

River Otter Renewables

Grant in 2023
River Otter Renewables is a recycling comany that produced biocrude oil from plant and waste as well as sewage and plastic waste.

Blaze Power

Grant in 2023
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

Grant in 2023
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 has the potential to transform 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.

BlocPower

Grant in 2023
BlocPower is an energy technology startup based in Los Angeles, California, focused on creating healthier, greener, and smarter buildings. Founded in 2014 in Brooklyn, New York, by Donnel Baird and Morris Cox, the company specializes in retrofitting urban buildings with advanced energy efficiency technologies and green heating and cooling systems. BlocPower identifies energy-wasting buildings and utilizes a proprietary machine learning platform to determine the most effective retrofits for maximizing energy savings. The company connects various stakeholders, including government agencies, utilities, building owners, and equipment providers, to facilitate these upgrades. With a mission to serve financially underserved communities, BlocPower has completed projects in nearly 1,000 buildings, helping customers save 20–40% on their annual energy bills. By leveraging data and innovative financing, BlocPower aims to reduce carbon emissions and improve health outcomes while addressing the climate crisis.

Loop CO2

Grant in 2023
Loop CO2 is a company focused on developing innovative technology that transforms carbon dioxide into essential products, contributing to a sustainable future. By converting CO2 into items such as cosmetic oils, adhesives, and thermoplastic elastomers, Loop CO2 enables its customers to minimize their environmental impact through the use of eco-friendly alternatives. The company's solutions aim to address climate challenges while promoting the utilization of carbon emissions in a productive manner.

Cala Systems

Grant in 2023
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

Seed Round in 2022
Triton Anchor specializes in subsea technology aimed at improving anchor systems for offshore applications. The company provides innovative anchoring solutions, including catenary and tension leg configurations, suitable for various soil types. Triton Anchor's technology focuses on delivering efficient and cost-effective anchoring station-keeping services, offering a low-weight, modular system that can be silently installed. This versatility allows clients in the offshore wind industry to optimize their anchoring solutions, enhancing performance while reducing costs.

Powerhouse

Grant in 2021
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

Series B in 2021
Via Separations, Inc. is focused on developing innovative membrane-based products for industrial liquid separation in challenging environments. Founded in 2016 and based in Somerville, Massachusetts, the company aims to address the significant energy waste in the chemical separation process, which accounts for 12% of U.S. energy consumption. By employing its advanced membrane technology, Via Separations can reduce energy use by up to 90% and enhance product output. Their highly selective and robust membrane filters replace traditional heat-based separation methods, contributing to industrial decarbonization efforts. The company is currently conducting pilot trials in pulp and paper facilities, with the goal of eliminating 100 million metric tons of CO2 emissions by 2050. Originating from MIT's Department of Material Science & Engineering, Via Separations has successfully scaled its technology and demonstrated working prototypes at a commercial level.

Multiscale Systems

Grant in 2021
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.

Nth Cycle

Grant in 2021
Nth Cycle is a metal processing technology company that focuses on recovering critical minerals through innovative electro-extraction methods. It collaborates with battery recyclers and mining operations to extract production-grade minerals from e-waste and low-grade mine tailings, offering a cleaner and more customizable alternative to traditional hydrometallurgical and pyrometallurgical processes. By utilizing its advanced recycling technology, Nth Cycle aims to reduce reliance on primary mining, thereby creating a sustainable secondary source of rare earth metals in the United States. This approach supports the manufacturing and recycling industries while contributing to advancements in clean energy.

Team Solar

Grant in 2021
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.

Takachar

Grant in 2021
Takachar is focused on creating a network of waste management enterprises in Kenya that convert agricultural residues into eco-friendly charcoal, providing an affordable cooking fuel for low-income households. The company has developed low-cost technologies that can be locally manufactured and have been successfully tested in Kenya over the past three years. Since its inception, Takachar has assisted in establishing seven local waste-to-charcoal enterprises, some of which have achieved operational profitability. To date, Takachar has created approximately 100 jobs and sold 50 tons of eco-char. The company aims to demonstrate the long-term financial sustainability of these enterprises, with the intention of developing a franchise network in the future. Additionally, Takachar employs oxygen-lean torrefaction reactors to transform biomass into commercially viable products, helping farmers prevent the open burning of agricultural waste while providing them with opportunities to generate extra income through value-added chemicals.

UMass Clean Energy Extension

Grant in 2021
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

Venture Round in 2021
Solstice is a company dedicated to making renewable energy accessible to all Americans through community-shared solar power. Founded in 2016 and headquartered in Cambridge, Massachusetts, Solstice provides comprehensive customer solutions for shared solar, including subscriber aggregation and management services aimed at solar developers, utilities, and other providers. By employing community organizing techniques along with its innovative online marketplace, Solstice aggregates consumer demand to facilitate the deployment of community solar projects. This approach enables renters and homeowners with non-optimal roofs to participate in solar energy, allowing them to save on utility bills without upfront costs. Solstice is driven by a commitment to energy equity, striving to ensure that affordable renewable energy is available to every household, regardless of income or credit status. The company has been recognized with multiple awards for its contributions to clean energy and entrepreneurship.

Boston Materials

Grant in 2020
Boston Materials, Inc. is a manufacturer of advanced composite materials, specializing in 3D reinforced carbon fiber pre-pregs. Founded in 2016 and based in Bedford, Massachusetts, the company utilizes patented Z-axis Fiber technology, which incorporates vertically aligned carbon fibers to enhance energy transfer properties. Its product line includes Carbon Supercomposite, a magnetically assembled carbon fiber pre-preg, which finds applications across various sectors such as aerospace, automotive, marine, wind energy, and sports equipment. Boston Materials' advanced materials aim to improve thermal, electrical, and mechanical properties, offering a roll-to-roll manufacturing process with in-line quality control and an annual production capacity of one million square meters. These innovations enable industries like semiconductors and electrified vehicles to achieve greater efficiency, reliability, and weight reduction while addressing critical challenges in durability and performance.

EnergySage

Grant in 2020
EnergySage, LLC is an online marketplace based in Boston, Massachusetts, specializing in solar and clean energy technologies for homeowners, businesses, and non-profits. Founded in 2009, the company provides a platform that offers educational resources and analytical tools, helping consumers identify and compare suitable clean energy solutions, including rooftop solar, battery storage, community solar, heat pumps, and electric vehicle charging. Through its service, EnergySage guides potential buyers in requesting and evaluating competitive quotes from pre-screened installers, facilitating a convenient and cost-effective shopping experience for clean energy products and services.

Blackburn Energy

Grant in 2020
Blackburn Energy, Inc. specializes in renewable energy solutions for the commercial trucking industry through its innovative product, RelGen. This technology harnesses kinetic energy from a truck's drive shaft, converting it into electricity via a custom alternator. The generated power is stored in a battery array, enabling it to supply energy to various truck subsystems including liftgates, electric auxiliary power units (APUs), and sensors for driver-assist and autonomous features. Blackburn Energy's solutions aim to reduce reliance on engine idling, thus cutting fuel and maintenance costs while minimizing carbon emissions. The company's products are particularly beneficial for long-haul drivers, providing essential power for climate control and operational needs during rest periods. Blackburn Energy was founded in 2008 and is headquartered in Amesbury, Massachusetts.

Cala Systems

Grant in 2020
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.

ADL Ventures

Grant in 2020
ADL Ventures is a consulting firm that specializes in creating and implementing innovative services and products for established corporations in critical infrastructure sectors. The company collaborates with experienced professionals in corporate innovation and entrepreneurship to develop disruptive businesses alongside these incumbents. By leveraging their expertise, ADL Ventures aims to launch streamlined entities that enhance the likelihood of success. This approach enables clients to foster new ventures, ensuring their growth and adaptation in an evolving market.

FLxDER

Grant in 2020
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.

Titan Advanced Energy Solutions

Grant in 2020
Titan Advanced Energy Solutions specializes in developing advanced battery management systems for lithium-ion batteries, leveraging patented ultrasound technology to enhance battery performance. Their flagship product, ionView, delivers over 99% accuracy in state-of-health and state-of-charge assessments, which leads to a minimum 20% increase in charge capacity and a 125% extension of battery life. The systems also offer real-time monitoring, safety controls, and cell-level balancing. Titan's solutions cater to a diverse range of industries, including automotive, energy storage, mobile devices, and battery manufacturing, ultimately supporting the electrification and decarbonization efforts for a sustainable future. Founded in 2016 and located in Somerville, Massachusetts, the company was previously known as Titan Energy Analytics.

Sol Clarity

Grant in 2020
Sol Clarity is engaged in the development and production of self-cleaning solar technologies. The company specializes in transparent Electrodynamic Screens (EDS), which serve as overlays for solar panels. These screens utilize a unique technology that generates a traveling electric wave to charge and displace dust particles from the panel's surface, effectively preventing dust accumulation. This innovative solution enhances the energy yield and output power of solar panels without the need for water, manual labor, or moving parts. Sol Clarity's approach not only improves the efficiency of solar energy systems but also addresses the challenges associated with maintaining cleanliness in solar installations.

Ithaca Clean Energy

Grant in 2020
Ithaca Clean Energy develops a renewable energy platform that leverages artificial intelligence-driven data analytics to enhance the efficiency of energy generation. The company's technology facilitates greater connectivity and interaction among stakeholders in the energy sector, including investors, developers, and operators. By providing insights and analytics, Ithaca aims to support these parties in making better-informed and optimized decisions regarding energy investments and operations.

Lydian Labs

Grant in 2020
Lydian Labs manufactures renewable energy equipment from industrial plants, landfills or directly from air.

Highland Electric Transportation

Grant in 2020
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).

Plug In America

Grant in 2020
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.

Enel Green Power

Grant in 2020
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.

E4TheFuture

Grant in 2020
E4TheFuture promotes residential clean energy and sustainable resource solutions to advance climate protection and economic fairness.

Boston Materials

Convertible Note in 2020
Boston Materials, Inc. is a manufacturer of advanced composite materials, specializing in 3D reinforced carbon fiber pre-pregs. Founded in 2016 and based in Bedford, Massachusetts, the company utilizes patented Z-axis Fiber technology, which incorporates vertically aligned carbon fibers to enhance energy transfer properties. Its product line includes Carbon Supercomposite, a magnetically assembled carbon fiber pre-preg, which finds applications across various sectors such as aerospace, automotive, marine, wind energy, and sports equipment. Boston Materials' advanced materials aim to improve thermal, electrical, and mechanical properties, offering a roll-to-roll manufacturing process with in-line quality control and an annual production capacity of one million square meters. These innovations enable industries like semiconductors and electrified vehicles to achieve greater efficiency, reliability, and weight reduction while addressing critical challenges in durability and performance.

Triton Anchor

Grant in 2020
Triton Anchor specializes in subsea technology aimed at improving anchor systems for offshore applications. The company provides innovative anchoring solutions, including catenary and tension leg configurations, suitable for various soil types. Triton Anchor's technology focuses on delivering efficient and cost-effective anchoring station-keeping services, offering a low-weight, modular system that can be silently installed. This versatility allows clients in the offshore wind industry to optimize their anchoring solutions, enhancing performance while reducing costs.

Alloy Enterprises

Grant in 2020
Alloy Enterprises Inc. is a company based in Somerville, Massachusetts, that specializes in developing advanced 3D printing technologies aimed at addressing inefficiencies in conventional manufacturing processes. Founded in 2020, Alloy focuses on industrial engineering and manufacturing technology, particularly for aluminum parts. The company's innovative aluminum additive technology allows for the production of dense, low-cost parts without relying on expensive and hazardous powders. This approach helps clients overcome limitations associated with traditional manufacturing methods, fostering innovation and facilitating progress in lightweight design and emissions reduction.

Pioneer Valley Coral & Natural Science Institute

Grant in 2020
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.

Gridtwin

Grant in 2020
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.

VIA

Grant in 2020
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.

Verdox

Grant in 2020
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.

Techstyle Materials

Grant in 2020
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.

Multiscale Systems

Grant in 2020
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.

Titan Advanced Energy Solutions

Series A in 2019
Titan Advanced Energy Solutions specializes in developing advanced battery management systems for lithium-ion batteries, leveraging patented ultrasound technology to enhance battery performance. Their flagship product, ionView, delivers over 99% accuracy in state-of-health and state-of-charge assessments, which leads to a minimum 20% increase in charge capacity and a 125% extension of battery life. The systems also offer real-time monitoring, safety controls, and cell-level balancing. Titan's solutions cater to a diverse range of industries, including automotive, energy storage, mobile devices, and battery manufacturing, ultimately supporting the electrification and decarbonization efforts for a sustainable future. Founded in 2016 and located in Somerville, Massachusetts, the company was previously known as Titan Energy Analytics.

Blackburn Energy

Grant in 2019
Blackburn Energy, Inc. specializes in renewable energy solutions for the commercial trucking industry through its innovative product, RelGen. This technology harnesses kinetic energy from a truck's drive shaft, converting it into electricity via a custom alternator. The generated power is stored in a battery array, enabling it to supply energy to various truck subsystems including liftgates, electric auxiliary power units (APUs), and sensors for driver-assist and autonomous features. Blackburn Energy's solutions aim to reduce reliance on engine idling, thus cutting fuel and maintenance costs while minimizing carbon emissions. The company's products are particularly beneficial for long-haul drivers, providing essential power for climate control and operational needs during rest periods. Blackburn Energy was founded in 2008 and is headquartered in Amesbury, Massachusetts.

Via Separations

Series A in 2019
Via Separations, Inc. is focused on developing innovative membrane-based products for industrial liquid separation in challenging environments. Founded in 2016 and based in Somerville, Massachusetts, the company aims to address the significant energy waste in the chemical separation process, which accounts for 12% of U.S. energy consumption. By employing its advanced membrane technology, Via Separations can reduce energy use by up to 90% and enhance product output. Their highly selective and robust membrane filters replace traditional heat-based separation methods, contributing to industrial decarbonization efforts. The company is currently conducting pilot trials in pulp and paper facilities, with the goal of eliminating 100 million metric tons of CO2 emissions by 2050. Originating from MIT's Department of Material Science & Engineering, Via Separations has successfully scaled its technology and demonstrated working prototypes at a commercial level.

Onvector

Grant in 2019
Onvector LLC, founded in 2018 and based in Somerville, Massachusetts, specializes in manufacturing advanced devices for industrial wastewater treatment. The company focuses on developing non-chemical water treatment technologies, particularly utilizing its proprietary Plasma Vortex technology, which employs a plasma hydrocyclone to effectively eliminate challenging contaminants such as PFAS and other emerging pollutants. By harnessing the power of directed energy, Onvector's solutions provide robust alternatives to traditional methods like ozone or UV disinfection. Its innovative approaches also include low-voltage radio-frequency technology for cooling water scale suppression, making it a valuable partner for industries including industrial manufacturing, commercial real estate, and maritime operations. The company aims to address critical environmental challenges while ensuring safe and efficient treatment of hazardous substances in water and wastewater.

Titan Advanced Energy Solutions

Grant in 2019
Titan Advanced Energy Solutions specializes in developing advanced battery management systems for lithium-ion batteries, leveraging patented ultrasound technology to enhance battery performance. Their flagship product, ionView, delivers over 99% accuracy in state-of-health and state-of-charge assessments, which leads to a minimum 20% increase in charge capacity and a 125% extension of battery life. The systems also offer real-time monitoring, safety controls, and cell-level balancing. Titan's solutions cater to a diverse range of industries, including automotive, energy storage, mobile devices, and battery manufacturing, ultimately supporting the electrification and decarbonization efforts for a sustainable future. Founded in 2016 and located in Somerville, Massachusetts, the company was previously known as Titan Energy Analytics.

Exact Lux

Grant in 2019
Exact Lux specializes in the development of advanced LED lighting systems that incorporate a patent-pending technology aimed at eliminating the common issue of light depreciation associated with traditional LEDs. The company's products feature integrated sensors that allow for remote monitoring of lighting levels, ensuring optimal performance. Additionally, Exact Lux offers a line of horticultural lighting fixtures designed to adjust the light intensity according to specific needs, thereby maintaining consistent initial light output throughout the five-year warranty period.

Via Separations

Grant in 2019
Via Separations, Inc. is focused on developing innovative membrane-based products for industrial liquid separation in challenging environments. Founded in 2016 and based in Somerville, Massachusetts, the company aims to address the significant energy waste in the chemical separation process, which accounts for 12% of U.S. energy consumption. By employing its advanced membrane technology, Via Separations can reduce energy use by up to 90% and enhance product output. Their highly selective and robust membrane filters replace traditional heat-based separation methods, contributing to industrial decarbonization efforts. The company is currently conducting pilot trials in pulp and paper facilities, with the goal of eliminating 100 million metric tons of CO2 emissions by 2050. Originating from MIT's Department of Material Science & Engineering, Via Separations has successfully scaled its technology and demonstrated working prototypes at a commercial level.

Ascend Elements

Grant in 2019
Ascend Elements is a manufacturer of advanced battery materials, specializing in the reclamation of valuable elements from spent lithium-ion batteries. The company employs hydroprocess recycling and direct recycling techniques to deconstruct old cathode materials to the atomic level, allowing for the creation of new cathode materials. This innovative approach not only facilitates the recycling of battery components but also supports clients in maximizing their returns on investments, promoting the economic viability of recycling and the production of low-cost battery materials.

Bending Spoon

Grant in 2019
affordable, open book, and professional coding for cleantech companies

Boston Materials

Grant in 2018
Boston Materials, Inc. is a manufacturer of advanced composite materials, specializing in 3D reinforced carbon fiber pre-pregs. Founded in 2016 and based in Bedford, Massachusetts, the company utilizes patented Z-axis Fiber technology, which incorporates vertically aligned carbon fibers to enhance energy transfer properties. Its product line includes Carbon Supercomposite, a magnetically assembled carbon fiber pre-preg, which finds applications across various sectors such as aerospace, automotive, marine, wind energy, and sports equipment. Boston Materials' advanced materials aim to improve thermal, electrical, and mechanical properties, offering a roll-to-roll manufacturing process with in-line quality control and an annual production capacity of one million square meters. These innovations enable industries like semiconductors and electrified vehicles to achieve greater efficiency, reliability, and weight reduction while addressing critical challenges in durability and performance.

Aclarity

Grant in 2018
Aclarity, LLC is a cleantech startup established in 2017 and based in the United States. The company specializes in manufacturing and marketing advanced water purification devices designed for residential use. Aclarity's systems utilize innovative electrochemical technology to effectively eliminate a wide range of contaminants, including pathogens, metals, volatile organic compounds (VOCs), per- and polyfluoroalkyl substances (PFAS), and ammonia from water. These devices provide customers with cost-effective and low-maintenance solutions for comprehensive water treatment, addressing the pressing need for clean water in homes and contributing to broader environmental sustainability efforts.

Vata Verks

Grant in 2018
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.

Takachar

Grant in 2018
Takachar is focused on creating a network of waste management enterprises in Kenya that convert agricultural residues into eco-friendly charcoal, providing an affordable cooking fuel for low-income households. The company has developed low-cost technologies that can be locally manufactured and have been successfully tested in Kenya over the past three years. Since its inception, Takachar has assisted in establishing seven local waste-to-charcoal enterprises, some of which have achieved operational profitability. To date, Takachar has created approximately 100 jobs and sold 50 tons of eco-char. The company aims to demonstrate the long-term financial sustainability of these enterprises, with the intention of developing a franchise network in the future. Additionally, Takachar employs oxygen-lean torrefaction reactors to transform biomass into commercially viable products, helping farmers prevent the open burning of agricultural waste while providing them with opportunities to generate extra income through value-added chemicals.

Boston Materials

Grant in 2018
Boston Materials, Inc. is a manufacturer of advanced composite materials, specializing in 3D reinforced carbon fiber pre-pregs. Founded in 2016 and based in Bedford, Massachusetts, the company utilizes patented Z-axis Fiber technology, which incorporates vertically aligned carbon fibers to enhance energy transfer properties. Its product line includes Carbon Supercomposite, a magnetically assembled carbon fiber pre-preg, which finds applications across various sectors such as aerospace, automotive, marine, wind energy, and sports equipment. Boston Materials' advanced materials aim to improve thermal, electrical, and mechanical properties, offering a roll-to-roll manufacturing process with in-line quality control and an annual production capacity of one million square meters. These innovations enable industries like semiconductors and electrified vehicles to achieve greater efficiency, reliability, and weight reduction while addressing critical challenges in durability and performance.

EnergySage

Series A in 2018
EnergySage, LLC is an online marketplace based in Boston, Massachusetts, specializing in solar and clean energy technologies for homeowners, businesses, and non-profits. Founded in 2009, the company provides a platform that offers educational resources and analytical tools, helping consumers identify and compare suitable clean energy solutions, including rooftop solar, battery storage, community solar, heat pumps, and electric vehicle charging. Through its service, EnergySage guides potential buyers in requesting and evaluating competitive quotes from pre-screened installers, facilitating a convenient and cost-effective shopping experience for clean energy products and services.

Alkemy Environmental

Convertible Note in 2018
Alkemy Environmental is a Massachusetts-based cleantech company founded in 2008 by Sofia Bethani and Peter Kombouras. The company specializes in recycling industrial waste streams, transforming them into structural grade lightweight concrete aggregates, including expandable lightweight aggregate, ultra lightweight aggregate, and high strength lightweight aggregate. Alkemy Environmental's services not only facilitate the responsible disposal of toxic waste but also help clients reduce construction costs by providing LEED-certified synthetic aggregates. In addition to its recycling capabilities, the company offers comprehensive waste management services, positioning itself as a valuable partner for businesses seeking sustainable solutions in waste disposal and construction materials.

Change:WATER

Convertible Note in 2018
Change:WATER Labs focuses on creating innovative technologies aimed at improving sanitation for impoverished and vulnerable communities lacking sewer systems. The company offers off-grid wastewater management solutions for residential, commercial, and industrial applications, emphasizing safety, cleanliness, and sustainability. Their flagship products include advanced evaporative toilet technologies that efficiently reduce waste onsite without relying on external power or plumbing infrastructure. This approach not only enhances sanitation access but also lowers costs associated with waste collection and management, making it a viable option for underserved households and communities.

Solstice

Convertible Note in 2018
Solstice is a company dedicated to making renewable energy accessible to all Americans through community-shared solar power. Founded in 2016 and headquartered in Cambridge, Massachusetts, Solstice provides comprehensive customer solutions for shared solar, including subscriber aggregation and management services aimed at solar developers, utilities, and other providers. By employing community organizing techniques along with its innovative online marketplace, Solstice aggregates consumer demand to facilitate the deployment of community solar projects. This approach enables renters and homeowners with non-optimal roofs to participate in solar energy, allowing them to save on utility bills without upfront costs. Solstice is driven by a commitment to energy equity, striving to ensure that affordable renewable energy is available to every household, regardless of income or credit status. The company has been recognized with multiple awards for its contributions to clean energy and entrepreneurship.

Metalmark Innovations

Grant in 2018
Metalmark Innovations, Inc. develops advanced 3D nanostructured coatings designed to treat airborne pollutants and toxins, thereby enhancing indoor air quality. The company offers its innovative materials as coating additives for various applications, including building materials and vehicle interiors. Its technology effectively targets and breaks down harmful substances such as hydrocarbons, carbon monoxide, ozone, PM2.5, volatile organic compounds, odors, and germs in diverse transportation settings, including airplanes, ships, trains, cars, and buses. Founded in 2017 and based in Boston, Massachusetts, Metalmark Innovations aims to address the pressing challenges of air pollution and climate change through its cutting-edge air cleaning solutions. The company was previously known as Aircrew Technologies, Inc. before rebranding in January 2019.

Titan Advanced Energy Solutions

Grant in 2018
Titan Advanced Energy Solutions specializes in developing advanced battery management systems for lithium-ion batteries, leveraging patented ultrasound technology to enhance battery performance. Their flagship product, ionView, delivers over 99% accuracy in state-of-health and state-of-charge assessments, which leads to a minimum 20% increase in charge capacity and a 125% extension of battery life. The systems also offer real-time monitoring, safety controls, and cell-level balancing. Titan's solutions cater to a diverse range of industries, including automotive, energy storage, mobile devices, and battery manufacturing, ultimately supporting the electrification and decarbonization efforts for a sustainable future. Founded in 2016 and located in Somerville, Massachusetts, the company was previously known as Titan Energy Analytics.

Community Clean Energy Project

Grant in 2018
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.

Ameresco

Grant in 2017
Ameresco, Inc. is an energy efficiency solutions provider operating primarily in North America and Europe. Founded in 2000 and headquartered in Framingham, Massachusetts, the company specializes in the development, design, engineering, and installation of projects that aim to reduce energy consumption and operational costs for various sectors, including governmental, educational, utility, healthcare, commercial, and industrial facilities. Ameresco's services encompass upgrades to energy infrastructure and the construction of renewable energy plants that generate electricity, gas, heat, or cooling from sustainable sources. Additionally, the company offers a range of solar energy products and systems, including photovoltaic panels, inverters, solar-powered lighting, and other essential components for both grid-connected and off-grid applications. Through its initiatives, Ameresco supports clients in achieving greater energy efficiency and sustainability.

Solect Energy

Seed Round in 2017
Solect Energy, located in Hopkinton, Massachusetts, is a prominent player in the commercial-scale solar industry. The company focuses on providing solar energy solutions tailored for businesses, helping them harness renewable energy to reduce costs and enhance sustainability. Solect Energy is known for its expertise in designing, financing, and installing solar energy systems, making it a key partner for organizations looking to transition to solar power.

Borrego Solar Systems

Grant in 2017
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.

Tesla

Grant in 2017
Tesla, Inc., established in 2003, is a leading innovator in the electric vehicle (EV) industry, headquartered in Palo Alto, California. The company designs, manufactures, and sells a range of electric vehicles, including luxury and midsize sedans, crossover SUVs, a light truck, and a semi-truck. Tesla's mission is to accelerate the world's transition to sustainable energy, offering an expanding lineup of increasingly affordable electric cars. The company operates through two segments: Automotive, which focuses on EV production, powertrain components, and services, and Energy Generation and Storage, which provides rechargeable battery systems, solar energy generation, and energy storage products for residential, commercial, and utility-scale applications. Tesla markets its products through company-owned stores, galleries, and its official website, and supports them with a network of service centers and mobile technicians. Additionally, Tesla operates a fast-charging network for EV owners.

Sunrun

Grant in 2017
Sunrun Inc. is a leading provider of residential solar energy systems in the United States, specializing in the design, development, installation, ownership, and maintenance of solar power solutions. Founded in 2007 and headquartered in San Francisco, California, the company offers a unique solar service model that allows homeowners to pay for the electricity generated by the solar systems rather than purchasing the panels outright. This approach enables customers to benefit from lower, locked-in electricity rates while Sunrun maintains and monitors the systems. Operating in twelve states, Sunrun installs solar systems at a rapid pace, averaging one installation every ten minutes. The company utilizes a direct-to-consumer marketing strategy complemented by partnerships with various solar and strategic entities. In addition to solar energy systems, Sunrun also provides battery storage solutions and sells solar products such as panels and racking. With a workforce of over 3,000 employees, Sunrun continues to lead the residential solar market by prioritizing customer savings and sustainable energy solutions.

Greenlots

Grant in 2017
Greenlots is a company based in Los Angeles, California, focused on developing electric vehicle (EV) charging networks. It provides innovative software and services that facilitate the deployment of EV charging infrastructure for utilities, cities, communities, and automakers. The company’s platform integrates network management software with charging optimization and grid balancing services, creating a seamless experience for drivers, site hosts, and network operators. Additionally, Greenlots offers a user-friendly mobile app that enhances the charging experience. With a presence in 13 countries across three continents, Greenlots aims to promote a safer, cleaner, and smarter approach to electric mobility.

SLIPS Technologies

Series B in 2017
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.

MTPV

Grant in 2017
MTPV Power Corporation is a clean energy company based in Austin, Texas, that specializes in Micron-gap ThermalPhotoVoltaics (MTPV) technology. Founded in 2003, the company originated its technology from research at MIT and Draper Laboratory. MTPV Power develops semiconductor chips designed to convert waste heat from various sources into clean energy, primarily electricity. This innovation enables industrial businesses to harness alternative energy sources, thereby enhancing productivity and reducing operational costs. Through its advancements in semiconductor technology, MTPV Power aims to contribute to more sustainable energy solutions in the industrial sector.

BrightSpot Automation

Grant in 2017
BrightSpot Automation provides the solar energy industry and photovoltaic researchers with specialized manufacturing and measurement tools.

Aquafresco

Grant in 2017
AquaFresco is transforming the cleaning industry with its innovative wastewater recycling system. Founded by a team that emerged from the MIT MADMEC competition in 2014, the company has advanced its technology from laboratory research to commercial application. Currently, AquaFresco's system is being tested in three pilot hotels and three commercial laundry facilities, with the potential to reduce water and detergent usage by up to 95%. The company holds full ownership of its intellectual property and has gained recognition in the community, winning the MassChallenge Gold Award in 2015 and receiving funding from MassCEC in 2016. AquaFresco is focused on completing product development and pilot testing in the near future.

Via Separations

Grant in 2016
Via Separations, Inc. is focused on developing innovative membrane-based products for industrial liquid separation in challenging environments. Founded in 2016 and based in Somerville, Massachusetts, the company aims to address the significant energy waste in the chemical separation process, which accounts for 12% of U.S. energy consumption. By employing its advanced membrane technology, Via Separations can reduce energy use by up to 90% and enhance product output. Their highly selective and robust membrane filters replace traditional heat-based separation methods, contributing to industrial decarbonization efforts. The company is currently conducting pilot trials in pulp and paper facilities, with the goal of eliminating 100 million metric tons of CO2 emissions by 2050. Originating from MIT's Department of Material Science & Engineering, Via Separations has successfully scaled its technology and demonstrated working prototypes at a commercial level.

Wright Electric

Grant in 2016
Wright Electric Inc. is a manufacturer of commercial electric airplanes, focusing on reducing costs and emissions in the aviation industry. Established in 2016 and headquartered in Los Angeles, California, the company utilizes innovative propulsion technology to produce aircraft that eliminate emissions without requiring offsets. This advancement not only promotes zero-emissions flight but also aims to make the operational costs comparable to those of traditional fossil-fueled fleets, thereby facilitating the transition to a more sustainable aerospace sector. Wright Electric is positioned to play a significant role in the electrification of aviation, marking a transformative shift in the industry.

Greentown Labs

Grant in 2016
Greentown Labs, Inc. is a climate technology incubator founded in 2011 and located in Somerville, Massachusetts. The company provides co-located prototyping, office, and event spaces specifically designed for businesses in the clean technology, energy, and environmental sectors. Its mission is to foster a vibrant community of entrepreneurs by offering the necessary resources and support to help early-stage companies thrive. By creating shared warehouse spaces and facilitating collaboration, Greentown Labs aims to enable innovative solutions that address pressing climate challenges.

Tank Utility

Grant in 2015
Tank Utility, Inc. specializes in developing software solutions for the fuel and energy sector, focusing on enhancing operational efficiency for fuel distribution companies. Founded in 2014 and based in Boston, Massachusetts, the company offers smart meters and cloud-based software that integrates wireless sensors to monitor propane levels in real time. By utilizing IoT technology and business intelligence software, Tank Utility enables fuel providers to reduce unnecessary delivery miles, thereby minimizing waste and improving customer engagement. Their products include easy-to-install wireless tank monitors and web applications that deliver real-time data on tank levels, usage, and pricing, ultimately enhancing service efficiency and customer retention. Additionally, Tank Utility provides installation and support services to ensure optimal utilization of its solutions.

Change:WATER

Grant in 2015
Change:WATER Labs focuses on creating innovative technologies aimed at improving sanitation for impoverished and vulnerable communities lacking sewer systems. The company offers off-grid wastewater management solutions for residential, commercial, and industrial applications, emphasizing safety, cleanliness, and sustainability. Their flagship products include advanced evaporative toilet technologies that efficiently reduce waste onsite without relying on external power or plumbing infrastructure. This approach not only enhances sanitation access but also lowers costs associated with waste collection and management, making it a viable option for underserved households and communities.

EnergySage

Series A in 2015
EnergySage, LLC is an online marketplace based in Boston, Massachusetts, specializing in solar and clean energy technologies for homeowners, businesses, and non-profits. Founded in 2009, the company provides a platform that offers educational resources and analytical tools, helping consumers identify and compare suitable clean energy solutions, including rooftop solar, battery storage, community solar, heat pumps, and electric vehicle charging. Through its service, EnergySage guides potential buyers in requesting and evaluating competitive quotes from pre-screened installers, facilitating a convenient and cost-effective shopping experience for clean energy products and services.

SiEnergy Systems

Grant in 2015
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

Grant in 2015
Building Envelope Materials focuses on creating efficient solutions to minimize thermal energy consumption in buildings. Established in 2014 following a grant from the Massachusetts Clean Energy Center, the company pioneered a method to inject highly insulating closed-cell polyurethane foam into poorly insulated wall cavities. Their innovative pinhole insulation technology allows for insulation of an entire wall through a single small opening, significantly enhancing insulation values from R10 to R23 and achieving energy savings of 25% or more. This technology is not limited to walls; it is being adapted for use in cathedral ceilings, dormer roofs, and flat roofs. Additionally, the company is working on developing safer alternatives to traditional spray foam for various construction applications. When fully implemented, this pinhole insulation system can substantially exceed the energy savings provided by conventional weatherization methods.

DropWise Technologies

Grant in 2015
DropWise Technologies Corp. specializes in manufacturing advanced coating materials aimed at reducing carbon emissions in power plants and enhancing the efficiency of thermal systems. The company utilizes a unique vapor-based deposition process, developed in collaboration with leading MIT labs, to create ultra-thin, durable coatings that effectively address fouling and corrosion in heat exchange equipment. These coatings are significantly thinner than conventional options, allowing for improved heat transfer and reducing the need for excessive coolant water. DropWise's technology is applicable across various sectors, including power generation, desalination, HVAC/R, and chemical refining. By chemically grafting coatings to surfaces with precision, DropWise enhances the performance of critical components such as heat exchangers, ultimately enabling operators to maintain higher efficiency and durability while minimizing operational costs. Established in 2014 and based in Cambridge, Massachusetts, DropWise Technologies is poised to transform traditional coating solutions and access markets previously deemed unattainable.

DropWise Technologies

Grant in 2015
DropWise Technologies Corp. specializes in manufacturing advanced coating materials aimed at reducing carbon emissions in power plants and enhancing the efficiency of thermal systems. The company utilizes a unique vapor-based deposition process, developed in collaboration with leading MIT labs, to create ultra-thin, durable coatings that effectively address fouling and corrosion in heat exchange equipment. These coatings are significantly thinner than conventional options, allowing for improved heat transfer and reducing the need for excessive coolant water. DropWise's technology is applicable across various sectors, including power generation, desalination, HVAC/R, and chemical refining. By chemically grafting coatings to surfaces with precision, DropWise enhances the performance of critical components such as heat exchangers, ultimately enabling operators to maintain higher efficiency and durability while minimizing operational costs. Established in 2014 and based in Cambridge, Massachusetts, DropWise Technologies is poised to transform traditional coating solutions and access markets previously deemed unattainable.

Loci Controls

Grant in 2015
Loci Controls, Inc. specializes in the development and commercialization of an automated landfill gas collection system. The company offers Loci WellWatcher, a system featuring wellhead-mounted hardware and cloud-based monitoring and analytics that optimize methane extraction from landfills. By providing real-time monitoring of gas composition, pressure, temperature, and flow, Loci Controls has demonstrated the capability to enhance gas collection efficiency by over 20%, while also improving safety and reducing operational costs for landfill operators and energy utility customers in the United States. The company combines innovative sensor technology, continuous monitoring, advanced algorithms, and field service support to increase profitability and mitigate environmental, health, and safety risks. Founded in 2012 and based in Fall River, Massachusetts, Loci Controls is committed to advancing technology for the effective management of landfill gas resources.

Bevi

Grant in 2015
Bevi is a manufacturer of smart water dispensers designed for offices and commercial spaces. Their innovative product offers customizable flavors created from filtered tap water and natural ingredients, allowing users to make personalized drinks. Bevi's dispensers provide nutritional information and enable users to track their environmental impact, promoting eco-friendly hydration. By eliminating the need for bottled beverages, Bevi aims to reduce waste associated with production, shipping, and disposal. The company envisions a future in which their platform transforms beverage delivery by utilizing the municipal water supply.

7AC Technologies

Grant in 2015
7AC Technologies Inc. is a company based in Beverly, Massachusetts, specializing in the development of innovative HVAC solutions that utilize membrane-isolated plastic plate technology and liquid desiccants. This approach allows for the design of ultra-efficient HVAC systems tailored for commercial and industrial buildings, achieving over a 50% reduction in energy costs compared to traditional HVAC units. Originally founded in 2009 as 7Solar Technologies, Inc., the company rebranded to 7AC Technologies Inc. in September 2011. As of late 2020, it operates as a subsidiary of Emerson Electric Co.

Blackburn Energy

Grant in 2015
Blackburn Energy, Inc. specializes in renewable energy solutions for the commercial trucking industry through its innovative product, RelGen. This technology harnesses kinetic energy from a truck's drive shaft, converting it into electricity via a custom alternator. The generated power is stored in a battery array, enabling it to supply energy to various truck subsystems including liftgates, electric auxiliary power units (APUs), and sensors for driver-assist and autonomous features. Blackburn Energy's solutions aim to reduce reliance on engine idling, thus cutting fuel and maintenance costs while minimizing carbon emissions. The company's products are particularly beneficial for long-haul drivers, providing essential power for climate control and operational needs during rest periods. Blackburn Energy was founded in 2008 and is headquartered in Amesbury, Massachusetts.

RainBank

Grant in 2015
RainBank Inc. is a civil engineering firm based in Newton, Massachusetts, established in 2012. The company specializes in constructing and installing distributed runoff collection storage systems on rooftops, utilizing trays with small holes to facilitate slow drainage and reduce flooding in lowland areas. RainBank's team has extensive experience in water sector technologies and funding strategies, which has enabled them to innovate in stormwater management. Their systems enhance existing passive stormwater infrastructure, allowing municipalities to optimize both current and new networks for improved efficiency and effectiveness in flood prevention.

Tessolar

Grant in 2015
Tessolar focuses on enhancing the performance of solar photovoltaic systems while lowering installation costs. The company develops integrated racking products specifically designed for solar panel installations, catering to both rooftop and ground mount applications. By utilizing aerospace-quality composite materials in their products, Tessolar enables faster installation processes and effectively reduces both soft and hard costs associated with the deployment lifecycle of solar systems.

Infinium Metals

Grant in 2015
Infinium Metals, based in Natick, Massachusetts, specializes in the development and commercialization of advanced metallurgical processes for producing lightweight and magnetic materials. The company manufactures essential metals including magnesium, titanium, tantalum, neodymium, dysprosium, and solar-grade silicon using innovative techniques such as solid oxide membrane electrolysis. This low-energy process not only enhances efficiency but also minimizes environmental impact. Infinium Metals provides magnesium for fuel-efficient vehicles and aircraft components, neodymium for magnets used in wind turbines and hybrid vehicles, and elements for high power-to-weight generators. Additionally, the company offers recycling solutions for magnesium and rare earth elements. Infinium serves various industries, including aerospace, automotive, consumer technology, defense, energy, and mass transit. Originally founded in 2008 as Metal Oxygen Separation Technologies, Inc., the company rebranded in 2013 to reflect its broader focus on clean metals.

DropWise Technologies

Grant in 2014
DropWise Technologies Corp. specializes in manufacturing advanced coating materials aimed at reducing carbon emissions in power plants and enhancing the efficiency of thermal systems. The company utilizes a unique vapor-based deposition process, developed in collaboration with leading MIT labs, to create ultra-thin, durable coatings that effectively address fouling and corrosion in heat exchange equipment. These coatings are significantly thinner than conventional options, allowing for improved heat transfer and reducing the need for excessive coolant water. DropWise's technology is applicable across various sectors, including power generation, desalination, HVAC/R, and chemical refining. By chemically grafting coatings to surfaces with precision, DropWise enhances the performance of critical components such as heat exchangers, ultimately enabling operators to maintain higher efficiency and durability while minimizing operational costs. Established in 2014 and based in Cambridge, Massachusetts, DropWise Technologies is poised to transform traditional coating solutions and access markets previously deemed unattainable.

Greentown Labs

Grant in 2014
Greentown Labs, Inc. is a climate technology incubator founded in 2011 and located in Somerville, Massachusetts. The company provides co-located prototyping, office, and event spaces specifically designed for businesses in the clean technology, energy, and environmental sectors. Its mission is to foster a vibrant community of entrepreneurs by offering the necessary resources and support to help early-stage companies thrive. By creating shared warehouse spaces and facilitating collaboration, Greentown Labs aims to enable innovative solutions that address pressing climate challenges.

SolarOne Solutions

Grant in 2014
SolarOne Solutions, Inc. is a company that specializes in the development and manufacturing of solar-powered lighting and generator systems for various applications globally. Based in Needham, Massachusetts, SolarOne provides a diverse range of products, including overhead lights for pathways, parking lots, and bus shelters, as well as landscape luminaires and solar kits designed for different mounting options. Their systems operate independently of the electric grid, utilizing solar panels as a power source, which ensures reliable operation even during power outages. This independence allows for flexible siting and easy installation, reducing the need for costly electrical infrastructure. SolarOne serves a wide array of customers, including college campuses, government laboratories, and municipalities, and markets its products through a network of representatives and dealers across the United States, Canada, and Mexico. Founded in 2004, SolarOne Solutions has established itself as a provider of effective off-grid solutions that can be implemented with minimal disruption and long-term reliability.

Nuvera Fuel Cells

Grant in 2014
Nuvera Fuel Cells, LLC specializes in manufacturing heavy-duty, zero-emissions engines tailored for mobility applications. The company operates facilities in both the United States and Europe, focusing on clean and efficient fuel cell technology. Nuvera's products serve a diverse range of markets, including on- and off-road vehicles, industrial equipment, port and maritime applications, as well as stationary and portable power solutions. By addressing the demanding requirements of these sectors, Nuvera enables its clients to meet global commercial standards for sustainability and efficiency.

Black Island Wind Turbines

Grant in 2014
Black Island Wind Turbines specializes in manufacturing high-performance wind turbines designed to operate in challenging environments. Their HRX-series, particularly the HR3 model, is engineered for reliability and efficiency, having proven its durability in extreme conditions, such as those found in Antarctica with winds exceeding 200 mph. These wind turbines cater to clients seeking robust and dependable solutions for harnessing wind energy, making them suitable for critical applications and demanding operational requirements. By focusing on high-reliability options, Black Island Wind Turbines aims to meet the needs of customers who require performance in tough terrains while contributing to sustainable energy production.

Greentown Labs

Grant in 2013
Greentown Labs, Inc. is a climate technology incubator founded in 2011 and located in Somerville, Massachusetts. The company provides co-located prototyping, office, and event spaces specifically designed for businesses in the clean technology, energy, and environmental sectors. Its mission is to foster a vibrant community of entrepreneurs by offering the necessary resources and support to help early-stage companies thrive. By creating shared warehouse spaces and facilitating collaboration, Greentown Labs aims to enable innovative solutions that address pressing climate challenges.
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