PRIME Coalition

PRIME Coalition, established in 2014 and located in Cambridge, Massachusetts, is a not-for-profit venture capital firm that focuses on making early-stage investments in promising companies. The firm specializes in minority investments within the cleantech, business services, and energy services sectors across the United States. By supporting innovative ventures, PRIME Coalition aims to drive progress in sustainable technologies and promote environmental impact, fostering a transition toward a more sustainable economy.

Sarah Kearney

Founder and Executive Director

21 past transactions

Noon Energy

Seed Round in 2021
Noon Energy develops a flow battery technology that enables economical long-duration energy storage. The company's design will allow intermittent renewable electricity sources, such as solar and wind, to meet continual demand. Noon Energy was founded in 2018 and based in Palo Alto, California.

Sublime Systems

Seed Round in 2021
Developer of a cement decarbonizing technology designed to reduce emissions and co-produce green hydrogen. The company's technology uses clean renewable energy and an electrochemical process that eliminates carbon dioxide emissions without changing the properties or chemistry of the cement, enabling builders to contribute towards the shared goal of a sustainable and renewable future.

Via Separations

Grant in 2020
Via Separations, Inc. is a company based in Somerville, Massachusetts, focused on developing membrane-based products for the efficient separation of industrial liquids in complex environments. Incorporated in 2016, the company utilizes advanced materials technology that significantly reduces energy consumption—reportedly using ten times less energy than traditional separation methods. Via Separations specializes in industrial decarbonization through its innovative membrane filtration systems, improving selectivity between nano filtration solutes while enhancing temperature stability, solvent resistance, and oxidizer tolerance. This enables manufacturing facilities to increase productivity while minimizing their energy usage.

Clean Crop Technologies

Seed Round in 2020
Clean Crop Technologies, Inc. specializes in innovative food processing technology aimed at reducing molds, toxins, and pests in grains and nuts. By utilizing a method that combines air and electricity to create ionized gases, the company effectively removes harmful substances without compromising food quality. This technology not only eliminates molds and pests but also extends the shelf life of perishable foods. Founded in 2020 and headquartered in Haydenville, Massachusetts, Clean Crop Technologies is focused on translating advanced research into commercial-scale solutions for the global grain and nut industries.

Verdox

Seed Round 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.

Gradient

Venture Round in 2019
Gradient, also known as Treau, Inc., is a company based in San Francisco, California, that specializes in designing and developing environmentally friendly heating and air conditioning solutions for residential use. Founded in 2017, Gradient focuses on creating products that not only improve energy efficiency but also enhance user experience and ease of installation. The company's mission centers on providing innovative climate control systems that align with a sustainable future, making them a compelling option for homeowners seeking more pleasant and responsible alternatives to traditional heating and cooling systems.

Twelve

Seed Round in 2019
Twelve, formerly known as Opus 12, is a Berkeley, California-based company that specializes in recycling carbon dioxide emissions into valuable chemicals and fuels. Founded in 2015, the company has developed innovative technology that can be integrated with any source of CO₂ emissions. By utilizing only water and electricity as inputs, Twelve transforms captured carbon dioxide into essential products such as methane, ethylene, and ethanol. The firm aims to provide a cost-competitive alternative to petroleum-derived chemicals and fuels, thereby addressing carbon emissions while simultaneously creating economically viable solutions.
Leading Edge Equipment Technologies, Inc. manufactures and supplies manufacturing equipment to solar panel manufacturers. The company offers floating silicon method, which helps to reduce manufacturing cost of silicon wafers, increases commercial solar panel power, and reduces manufacturing emissions. Leading Edge Equipment Technologies, Inc. was formerly known as Leading Edge Crystal Technologies, Inc. and changed its name to Leading Edge Equipment Technologies, Inc. in May 2020. The company was founded in 2008 and is based in Wilmington, Massachusetts.

MicroByre

Seed Round in 2019
MicroByre, Inc. is a biotechnology company founded in 2017 and headquartered in Berkeley, California. The company focuses on developing genetically tractable strains from non-model micro-species, specializing in the domestication and genetic engineering of bacteria that are typically resistant to industrial applications. By utilizing a unique technology platform, MicroByre creates a reliable and generalizable domestication pipeline that supports fermentation processes. Its machine-learning platform analyzes a comprehensive dataset to identify bacteria that meet specific industrial functional criteria, facilitating precise genetic modifications. This approach provides clients with enhanced flexibility and yield while reducing the need for nutritional additives and improving contamination tolerance and phage resistance. Overall, MicroByre serves the biotechnology sector by addressing challenges in microbial utilization for industrial purposes.

C-Motive

Venture Round in 2019
C-Motive Technologies Inc., founded in 2012 and based in Madison, Wisconsin, specializes in manufacturing innovative electric motors that leverage electrostatic forces, a technology often referred to as "static cling." The company aims to revolutionize the electric motor industry by developing high-efficiency motors that are free of rare-earth metals, thereby addressing sustainability concerns. C-Motive's motors utilize lightweight metals, plastics, and dielectric materials to significantly reduce weight and improve efficiency, offering double the power at half the weight compared to traditional motors. With an efficiency rate exceeding 90% in direct drive applications, these motors are designed for a range of uses, including industrial applications, e-mobility, and renewable energy generation. The company's commitment to decarbonization positions it as a forward-thinking player in the evolving landscape of electric motor technology.

Charm Industrial

Seed Round in 2019
Charm Industrial specializes in producing carbon-neutral hydrogen from biomass, presenting a sustainable alternative to traditional hydrogen production methods that contribute to significant carbon emissions. The company employs a unique technology that converts biomass into pyrolysis bio-oil, which can be either stored underground for negative emissions or reformed to generate green hydrogen. This process not only produces hydrogen as a fuel and industrial chemical but also facilitates permanent carbon removal from the atmosphere, ensuring that the captured CO₂ is protected from environmental threats such as wildfires and soil erosion. Based in San Francisco with operations in central Louisiana, Charm Industrial aims to meet the growing demand for hydrogen in a reliable and cost-effective manner while supporting industrial clients in their transition to carbon-neutral energy sources.

Lilac Solutions

Grant in 2018
Lilac Solutions has developed a new ion exchange technology to address the challenges faced by lithium producers. Lilac's technology cuts capital and operating costs, accelerates project startup, boosts lithium recovery, and unlocks new resources. Their process is modular and can be ramped up quickly through pilot and commercial projects. Lilac is a mining technology company and is building partnerships with brine developers and operators around the world.

Mallinda

Seed Round in 2018
Mallinda LLC, based in Aurora, Colorado, specializes in the development and supply of advanced composite materials. The company has created Pliashell, a platform technology that features intrinsically recyclable and malleable self-healing polymers. These advanced thermoset prepreg laminates allow for the production of lightweight, strong, and remoldable composite materials, significantly enhancing manufacturing efficiency. Pliashell composites can be molded at relatively low temperatures and eliminate the need for a curing step, resulting in reduced manufacturing cycle times. This innovative approach not only streamlines production processes but also supports the circular economy, enabling clients in the automotive and aerospace industries to lower vehicle weight and improve efficiency. Overall, Mallinda is poised to transform product development across various market segments.

Twelve

Seed Round in 2018
Twelve, formerly known as Opus 12, is a Berkeley, California-based company that specializes in recycling carbon dioxide emissions into valuable chemicals and fuels. Founded in 2015, the company has developed innovative technology that can be integrated with any source of CO₂ emissions. By utilizing only water and electricity as inputs, Twelve transforms captured carbon dioxide into essential products such as methane, ethylene, and ethanol. The firm aims to provide a cost-competitive alternative to petroleum-derived chemicals and fuels, thereby addressing carbon emissions while simultaneously creating economically viable solutions.

Anfiro

Seed Round in 2017
Anfiro is a water technology start-up addressing global freshwater scarcity. They are using their self-assembling polymers to create chlorine resistant and high permeability reverse osmosis (RO) membranes that vastly outperform current membrane technology. This enables us to significantly reduce the cost of desalinating and purifying water, enabling clean and affordable water for a better tomorrow

Rebound Technologies

Seed Round in 2017
Rebound Technologies, Inc. manufactures and supplies embedded thermal energy storage systems for commercial freezer environments and off-grid cooling environments. It offers IcePoint, a low temperature refrigeration cooling equipment for supermarkets; and SunChill, an off-grid refrigeration solution that enables increased agricultural productivity by removing field heat from crops immediately following harvest, and provides continued product cooling at local markets and central processing facilities. The company’s products are used by retail stores and farmers in the United States. Rebound Technologies, Inc. was founded in 2012 and is headquartered in Commerce City, Colorado.

ConnectDER

Series A in 2017
ConnectDER LLC specializes in designing and manufacturing solutions that facilitate the connection of grid-ready distributed energy resources, particularly solar photovoltaic systems. The company creates a connection point that installs between residential electric meters and meter sockets, enhancing the integration of renewable energy. Additionally, ConnectDER offers a cloud-based platform that allows fleet operators to access metering and operational data, as well as manage the commissioning and decommissioning of ConnectDER units, including firmware updates. Founded in 2011 and based in Philadelphia, Pennsylvania, ConnectDER was previously known as Infinite Invention LLC before rebranding in 2015. The company aims to provide effective solutions to complex challenges in the power and water sectors.

ConnectDER

Seed Round in 2017
ConnectDER LLC specializes in designing and manufacturing solutions that facilitate the connection of grid-ready distributed energy resources, particularly solar photovoltaic systems. The company creates a connection point that installs between residential electric meters and meter sockets, enhancing the integration of renewable energy. Additionally, ConnectDER offers a cloud-based platform that allows fleet operators to access metering and operational data, as well as manage the commissioning and decommissioning of ConnectDER units, including firmware updates. Founded in 2011 and based in Philadelphia, Pennsylvania, ConnectDER was previously known as Infinite Invention LLC before rebranding in 2015. The company aims to provide effective solutions to complex challenges in the power and water sectors.

Wright

Seed Round in 2016
Wright Electric, Inc. is building technologies for large commercial airplanes. The company is currently developing their flagship Airplane, the Wright 1, which will be a 186-seat single aisle airliner with an 800 mile range. The company hopes to achieve entry to service for the Wright 1 by 2030 and is working with commercial airlines including easyJet and VivaAerobus. In addition to the newly announced U.S. DOE’s ARPA-E funding, the company is funded by Y Combinator, the Clean Energy Trust and venture funds.

RedWave Energy

Series B in 2016
RedWave Energy, Inc. develops a waste heat harvesting system that captures and converts low-temperature heat from power plants and transform into electricity. The company was founded in 2011 and is based in Boulder, Colorado.

Quidnet Energy

Grant in 2015
Quidnet Energy Inc. is a Houston-based company that specializes in developing grid-scale energy storage systems. Founded in 2013, the company utilizes a unique hydroelectric energy storage technology that involves pumping water under pressure into subsurface geological reservoirs. This stored water can then be released to drive turbines and generate electricity when renewable energy sources are unavailable. By leveraging established well-drilling and construction techniques, Quidnet Energy aims to enhance the reliability of the carbon-free electric grid. In addition to its headquarters in Houston, the company has offices in San Francisco and Saratoga Springs, New York.
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