Massachusetts Clean Energy Center

Found Energy is a renewable energy company engaging in turning aluminum into a renewable energy carrier. It recovers aluminum waste from landfills and uses a carbon-free process to produce hydrogen on-demand for less than $0.50 per kilogram of hydrogen and at five times the volumetric energy density of liquid hydrogen.

MacroCycle is developing a technology to curb the usage of fossil fuel derived plastic through a circular, sustainable and zero-carbon plastic upcycling process. The company's proprietary process based on the synthesis of cyclic macromolecules enables us to produce virgin-grade recycled PET from plastic waste at lower energy use than traditional processes.

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

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.

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.

Ascend Elements specializes in the production of advanced battery materials by reclaiming valuable elements from spent lithium-ion batteries. The company employs hydroprocess recycling and direct recycling methods, which deconstruct old cathode materials at the atomic level to generate new cathode materials. This innovative approach not only enhances the efficiency of recycling processes but also enables clients to maximize their returns on assets, ultimately supporting the production of economically viable and low-cost battery materials.

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.

Littoral Power Systems focuses on developing, manufacturing, and installing equipment for hydropower and renewable energy to tackle issues related to cost, environmental impact, and regulatory complexity in ocean energy. The company creates products made from recycled materials that can be utilized in both small-scale applications for constrained waterways and larger energy farms. This approach enables clients to efficiently harvest energy while minimizing costs and reducing environmental impacts.

Alkemy Environmental is a cleantech company that offers recycling services to its clients. The company recycles industrial waste streams into concrete aggregate. Its product portfolio consists of expandable lightweight aggregate, ultra lightweight aggregate, and high strength lightweight aggregate. Furthermore, it offers waste management services to its clients. Alkemy Environmental was founded in 2008 by Sofia Bethani and Peter Kombouras and is based in Massachusetts.

ZwitterCo specializes in advanced membrane solutions for the treatment of highly impaired wastewater, focusing on the development of reverse osmosis and nanofiltration technologies. These innovations enable the effective reuse and recycling of water resources by addressing challenges such as fouling and chemical demands. ZwitterCo's membranes are designed to treat historically unfilterable streams, allowing customers to transform waste into a valuable resource. With features such as chlorine tolerance and resistance to irreversible fouling, the company's technology supports steady performance and durability, making wastewater treatment economically viable for industrial applications.

Harvest Power is a waste management company focused on converting organic materials into renewable energy and high-value products such as soil, mulch, and organic fertilizers. By recycling discarded organic materials, Harvest helps communities generate environmentally friendly products that enhance local ecosystems. The company operates facilities across North America, including locations in British Columbia, Ontario, California, and various states in the Mid-Atlantic, Midwest, and Northeastern regions of the United States. Through its energy gardens and production capabilities, Harvest Power enables the sustainable recycling of energy and nutrients, fostering local consumption and contributing to environmental well-being.

CleanFiber, LLC specializes in producing high-performance cellulose insulation materials made from recycled corrugated cardboard for residential and commercial construction. Founded in 2013 and based in Blasdell, New York, with an additional office in Buffalo, CleanFiber transitioned from its previous name, UltraCell Insulation, in September 2018. The company focuses on providing sustainable, carbon-negative insulation solutions that can be applied in attics, walls, and floors, catering to both new construction and retrofit projects. CleanFiber's products not only enhance fire resistance in buildings but also offer a cost-competitive alternative for construction companies, supporting environmentally friendly building practices. The company is currently expanding its production capabilities to meet growing demand.

Infinium Metals formerly Metal Oxygen Separation Technologies, Inc. develops technologies for producing metals and oxygen gas directly from metal oxides. The company focuses on developing and scaling the solid oxide membrane (SOM) electrolysis process and related technologies for making metals from their oxide ores. It offers SOM Electrolysis, a low-energy process for making pure metals and magnesium metals. Infinium Metals was formerly known as MOXST LLC. The company was incorporated in 2008 and is based in Natick, Massachusetts.

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

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.