Prelude Ventures

LuxWall is a building materials company that pioneers the design and manufacture of vacuum-insulated glass. LuxWall produces glass that acts as transparent insulation, providing thermal insulation values comparable to fiberglass wall insulation. With widespread adoption, LuxWall's patented technology has the potential to reduce global carbon emissions by more than 0.5 gigatonnes per year. The company was founded in 2020 and is headquartered in Ypsilanti, Michigan, United States.

Form Energy, Inc. specializes in the development of long-duration energy storage systems aimed at enhancing the reliability of renewable energy sources such as wind and solar. Founded in 2017 and based in Somerville, Massachusetts, the company focuses on creating low-cost battery systems, including its innovative iron-air battery technology, which allows for energy storage over extended periods. This capability enables the dispatch of renewable energy throughout the year, effectively replacing traditional fossil fuel-based generation and contributing to the decarbonization of the electric grid. Additionally, Form Energy offers Formware, a capacity expansion software tool designed to optimize energy management. The company's technological advancements are rooted in research from MIT and are supported by various investors committed to sustainable energy solutions.

Windfall Bio is a company focused on developing a sustainable technology that captures and transforms methane emissions into organic fertilizer, addressing significant environmental issues associated with methane and synthetic fertilizers. Founded in 2022 and based in San Mateo, California, Windfall Bio utilizes methane-eating microbes to convert methane from various sources, including agriculture, oil and gas, and waste management, into valuable soil nutrients. This innovative solution not only helps industries reduce their methane footprint but also enhances operational efficiency and profitability, benefiting the planet and consumers alike. The company is backed by prominent venture capital firms, demonstrating strong investor confidence in its mission to tackle climate change through nature-based agricultural technology.

Electric Hydrogen is a company focused on developing low-cost, high-efficiency, fossil-free hydrogen systems aimed at decarbonizing industrial sectors such as ammonia and steel production, which are significant contributors to global greenhouse gas emissions. By rethinking electrolysis, Electric Hydrogen seeks to make clean hydrogen competitive with traditional, fossil-fuel-based hydrogen in terms of cost and scalability. The company's advanced PEM technology utilizes low-cost renewable electricity to produce clean hydrogen gas, thereby helping industries reduce their reliance on fossil fuels and minimize pollution. With a leadership team experienced in transformative clean energy companies, Electric Hydrogen is positioned to address current challenges in efficiency and cost, contributing to the goal of a zero-emission industrial sector in the near future.

Boston Metal is a metallurgy company focused on reducing the carbon footprint of steel production through its innovative Molten Oxide Electrolysis (MOE) technology. Established in 2012 as a spin-off from MIT, the company has developed an industrial-scale solution that enables the efficient and cost-effective production of a diverse range of metals and alloys. Utilizing an electrolytic cell, Boston Metal processes raw iron ore to create ferroalloys, which are essential for producing various grades of steel. The company's advancements in MOE technology have resulted in a significant scaling of production capabilities, achieving a 1,000-fold increase and generating thousands of kilograms of metal. Headquartered in Woburn, Massachusetts, Boston Metal aims to provide a greener alternative for the metal industry by leveraging its unique process and a variety of feedstocks.

Trove is a leading company in the branded resale and trade-in industry, primarily based in Ann Arbor, Michigan. The company provides a sophisticated platform that enables brands to efficiently launch, manage, and scale their resale programs, capturing over 75% of the U.S. branded resale market. Trove's platform offers advanced tools for in-store and digital trade-ins, returns processing, and inventory management, which empower brands to connect with diverse customer demographics and optimize their resale strategies through comprehensive analytics. Trove collaborates with notable brands, including Canada Goose, Michael Kors, and Patagonia, enhancing their ability to manage non-new inventory and enabling peer-to-peer sales. As a Certified B Corporation, Trove emphasizes sustainability in retail, aiming to combine commerce with environmental responsibility and drive the industry toward a more sustainable future.

Terabase Energy, Inc. is a company specializing in automation and digital solutions for utility-scale solar projects. Founded in 2019 and headquartered in Berkeley, California, with an additional office in Melbourne, Australia, Terabase offers a cloud-based artificial intelligence platform that facilitates collaboration on digital project models. The company’s proprietary software is utilized by over 400 entities, including engineering, procurement, and construction firms, developers, and independent power producers across 28 countries. By providing technical advisory and engineering services, Terabase aims to reduce costs and accelerate the deployment of large solar projects, thereby enhancing scalability and efficiency in the solar energy sector.

Ebb Carbon works on a reverse electrochemical ocean deacidification process that captures CO2 from the atmosphere. It delivers a new method of carbon removal that uses electrochemistry to enhance the ocean’s natural ability to safely store CO2 while reducing ocean acidity. Its approach has the potential to be one of the safest, most scalable, and most affordable ways to remove excess CO2 from the atmosphere.

Rumin8 is focused on addressing methane emissions from livestock, a significant contributor to climate change, accounting for 3.7% of global greenhouse gas emissions. The company has developed a technology that reduces methane emissions from cattle by up to 95% by transforming natural anti-methane compounds found in plants into dietary supplements for livestock. This innovation not only decreases emissions but also enhances the efficiency of animal digestion and provides more energy for growth. Rumin8 aims to decarbonize millions of cattle worldwide, thereby advancing the global food system towards a more sustainable and climate-friendly future.

LuxWall is a building materials company that pioneers the design and manufacture of vacuum-insulated glass. LuxWall produces glass that acts as transparent insulation, providing thermal insulation values comparable to fiberglass wall insulation. With widespread adoption, LuxWall's patented technology has the potential to reduce global carbon emissions by more than 0.5 gigatonnes per year. The company was founded in 2020 and is headquartered in Ypsilanti, Michigan, United States.

Form Energy, Inc. specializes in the development of long-duration energy storage systems aimed at enhancing the reliability of renewable energy sources such as wind and solar. Founded in 2017 and based in Somerville, Massachusetts, the company focuses on creating low-cost battery systems, including its innovative iron-air battery technology, which allows for energy storage over extended periods. This capability enables the dispatch of renewable energy throughout the year, effectively replacing traditional fossil fuel-based generation and contributing to the decarbonization of the electric grid. Additionally, Form Energy offers Formware, a capacity expansion software tool designed to optimize energy management. The company's technological advancements are rooted in research from MIT and are supported by various investors committed to sustainable energy solutions.

Terabase Energy, Inc. is a company specializing in automation and digital solutions for utility-scale solar projects. Founded in 2019 and headquartered in Berkeley, California, with an additional office in Melbourne, Australia, Terabase offers a cloud-based artificial intelligence platform that facilitates collaboration on digital project models. The company’s proprietary software is utilized by over 400 entities, including engineering, procurement, and construction firms, developers, and independent power producers across 28 countries. By providing technical advisory and engineering services, Terabase aims to reduce costs and accelerate the deployment of large solar projects, thereby enhancing scalability and efficiency in the solar energy sector.

Rumin8 is focused on addressing methane emissions from livestock, a significant contributor to climate change, accounting for 3.7% of global greenhouse gas emissions. The company has developed a technology that reduces methane emissions from cattle by up to 95% by transforming natural anti-methane compounds found in plants into dietary supplements for livestock. This innovation not only decreases emissions but also enhances the efficiency of animal digestion and provides more energy for growth. Rumin8 aims to decarbonize millions of cattle worldwide, thereby advancing the global food system towards a more sustainable and climate-friendly future.

Electric Hydrogen is a company focused on developing low-cost, high-efficiency, fossil-free hydrogen systems aimed at decarbonizing industrial sectors such as ammonia and steel production, which are significant contributors to global greenhouse gas emissions. By rethinking electrolysis, Electric Hydrogen seeks to make clean hydrogen competitive with traditional, fossil-fuel-based hydrogen in terms of cost and scalability. The company's advanced PEM technology utilizes low-cost renewable electricity to produce clean hydrogen gas, thereby helping industries reduce their reliance on fossil fuels and minimize pollution. With a leadership team experienced in transformative clean energy companies, Electric Hydrogen is positioned to address current challenges in efficiency and cost, contributing to the goal of a zero-emission industrial sector in the near future.

Pyka, Inc. is a startup based in Oakland, California, that specializes in the development of autonomous electric aircraft for agricultural and cargo applications. Founded in 2016, the company focuses on creating innovative solutions that enhance safety, affordability, and accessibility in aviation. Pyka's aircraft are designed for precision spraying in agriculture, allowing for effective chemical application over diverse terrains while minimizing environmental impact. The technology incorporates advanced flight controllers and onboard sensors to ensure accuracy and efficiency in operations. Additionally, the aircraft can be utilized for cargo transportation, particularly in remote or challenging areas, showcasing their versatility. Through its commitment to sustainability and technological advancement, Pyka aims to transform traditional practices in crop protection and logistics.

Living Carbon is a biotechnology company founded in 2019 and based in San Francisco, California. The company aims to combat climate change by developing genetically engineered trees that enhance carbon dioxide capture and storage. By leveraging advanced biotechnology, Living Carbon focuses on improving photosynthesis, inhibiting photorespiration, and increasing growth rates while reducing the time required for trees to mature. In addition to its carbon capture initiatives, the company produces durable wood suitable for building and manufacturing applications. Living Carbon operates as a public benefit corporation, committed to restoring balance to the planet's metabolic processes through innovative solutions that harness the natural capabilities of plants.

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.

LuxWall is a building materials company that pioneers the design and manufacture of vacuum-insulated glass. LuxWall produces glass that acts as transparent insulation, providing thermal insulation values comparable to fiberglass wall insulation. With widespread adoption, LuxWall's patented technology has the potential to reduce global carbon emissions by more than 0.5 gigatonnes per year. The company was founded in 2020 and is headquartered in Ypsilanti, Michigan, United States.

Form Energy, Inc. specializes in the development of long-duration energy storage systems aimed at enhancing the reliability of renewable energy sources such as wind and solar. Founded in 2017 and based in Somerville, Massachusetts, the company focuses on creating low-cost battery systems, including its innovative iron-air battery technology, which allows for energy storage over extended periods. This capability enables the dispatch of renewable energy throughout the year, effectively replacing traditional fossil fuel-based generation and contributing to the decarbonization of the electric grid. Additionally, Form Energy offers Formware, a capacity expansion software tool designed to optimize energy management. The company's technological advancements are rooted in research from MIT and are supported by various investors committed to sustainable energy solutions.

Electric Hydrogen is a company focused on developing low-cost, high-efficiency, fossil-free hydrogen systems aimed at decarbonizing industrial sectors such as ammonia and steel production, which are significant contributors to global greenhouse gas emissions. By rethinking electrolysis, Electric Hydrogen seeks to make clean hydrogen competitive with traditional, fossil-fuel-based hydrogen in terms of cost and scalability. The company's advanced PEM technology utilizes low-cost renewable electricity to produce clean hydrogen gas, thereby helping industries reduce their reliance on fossil fuels and minimize pollution. With a leadership team experienced in transformative clean energy companies, Electric Hydrogen is positioned to address current challenges in efficiency and cost, contributing to the goal of a zero-emission industrial sector in the near future.

Heirloom specializes in direct air capture technology aimed at enhancing the natural absorption of carbon dioxide from the atmosphere. The company's innovative system accelerates the ability of limestone to capture CO2, allowing for its permanent storage underground. By operating on renewable energy, Heirloom's technology promotes carbon capture and utilization at a large scale, with the goal of removing significant amounts of atmospheric CO2. This approach not only minimizes secondary impacts but also supports clients in restoring the atmosphere through natural processes.

Solidia Technologies, Inc. is an advanced materials company focused on developing innovative processes for creating building and construction products, particularly in the cement and concrete industries. Founded in 2008 and based in Piscataway, New Jersey, Solidia's technology captures and stores carbon dioxide (CO2) during the production process, transforming it into a usable element that enhances product performance. By utilizing low energy processes and waste materials, Solidia's solutions significantly reduce environmental impact while offering superior performance compared to traditional cement and concrete. The company also integrates artificial intelligence into its production methods to minimize waste, improve quality control, and optimize systems, helping clients achieve lower carbon emissions and a reduced carbon footprint.

Boston Metal is a metallurgy company focused on reducing the carbon footprint of steel production through its innovative Molten Oxide Electrolysis (MOE) technology. Established in 2012 as a spin-off from MIT, the company has developed an industrial-scale solution that enables the efficient and cost-effective production of a diverse range of metals and alloys. Utilizing an electrolytic cell, Boston Metal processes raw iron ore to create ferroalloys, which are essential for producing various grades of steel. The company's advancements in MOE technology have resulted in a significant scaling of production capabilities, achieving a 1,000-fold increase and generating thousands of kilograms of metal. Headquartered in Woburn, Massachusetts, Boston Metal aims to provide a greener alternative for the metal industry by leveraging its unique process and a variety of feedstocks.

Form Energy, Inc. specializes in the development of long-duration energy storage systems aimed at enhancing the reliability of renewable energy sources such as wind and solar. Founded in 2017 and based in Somerville, Massachusetts, the company focuses on creating low-cost battery systems, including its innovative iron-air battery technology, which allows for energy storage over extended periods. This capability enables the dispatch of renewable energy throughout the year, effectively replacing traditional fossil fuel-based generation and contributing to the decarbonization of the electric grid. Additionally, Form Energy offers Formware, a capacity expansion software tool designed to optimize energy management. The company's technological advancements are rooted in research from MIT and are supported by various investors committed to sustainable energy solutions.

Lime is a transportation company that focuses on providing sustainable solutions for urban mobility by offering electric scooters and bike-sharing services. The company partners with cities to deploy a fleet of electric bikes and scooters equipped with GPS and self-activating locks, which allows users to access affordable and reliable transportation options. Lime aims to address the first- and last-mile transportation challenges, promoting environmentally friendly alternatives that help reduce carbon footprints. By encouraging a shift in transportation behavior, Lime seeks to empower future generations to contribute to a more sustainable planet.

Trove is a leading company in the branded resale and trade-in industry, primarily based in Ann Arbor, Michigan. The company provides a sophisticated platform that enables brands to efficiently launch, manage, and scale their resale programs, capturing over 75% of the U.S. branded resale market. Trove's platform offers advanced tools for in-store and digital trade-ins, returns processing, and inventory management, which empower brands to connect with diverse customer demographics and optimize their resale strategies through comprehensive analytics. Trove collaborates with notable brands, including Canada Goose, Michael Kors, and Patagonia, enhancing their ability to manage non-new inventory and enabling peer-to-peer sales. As a Certified B Corporation, Trove emphasizes sustainability in retail, aiming to combine commerce with environmental responsibility and drive the industry toward a more sustainable future.

Form Energy, Inc. specializes in the development of long-duration energy storage systems aimed at enhancing the reliability of renewable energy sources such as wind and solar. Founded in 2017 and based in Somerville, Massachusetts, the company focuses on creating low-cost battery systems, including its innovative iron-air battery technology, which allows for energy storage over extended periods. This capability enables the dispatch of renewable energy throughout the year, effectively replacing traditional fossil fuel-based generation and contributing to the decarbonization of the electric grid. Additionally, Form Energy offers Formware, a capacity expansion software tool designed to optimize energy management. The company's technological advancements are rooted in research from MIT and are supported by various investors committed to sustainable energy solutions.

Boston Metal is a metallurgy company focused on reducing the carbon footprint of steel production through its innovative Molten Oxide Electrolysis (MOE) technology. Established in 2012 as a spin-off from MIT, the company has developed an industrial-scale solution that enables the efficient and cost-effective production of a diverse range of metals and alloys. Utilizing an electrolytic cell, Boston Metal processes raw iron ore to create ferroalloys, which are essential for producing various grades of steel. The company's advancements in MOE technology have resulted in a significant scaling of production capabilities, achieving a 1,000-fold increase and generating thousands of kilograms of metal. Headquartered in Woburn, Massachusetts, Boston Metal aims to provide a greener alternative for the metal industry by leveraging its unique process and a variety of feedstocks.

Solidia Technologies, Inc. is an advanced materials company focused on developing innovative processes for creating building and construction products, particularly in the cement and concrete industries. Founded in 2008 and based in Piscataway, New Jersey, Solidia's technology captures and stores carbon dioxide (CO2) during the production process, transforming it into a usable element that enhances product performance. By utilizing low energy processes and waste materials, Solidia's solutions significantly reduce environmental impact while offering superior performance compared to traditional cement and concrete. The company also integrates artificial intelligence into its production methods to minimize waste, improve quality control, and optimize systems, helping clients achieve lower carbon emissions and a reduced carbon footprint.

Heliotrope develops next-generation electrochromic "smart" windows capable of independent control over light and heat transmission. The core technology was developed by Delia Milliron, Guillermo Garcia, and colleagues at Lawrence Berkeley National Laboratory. It was incorporated in 2012 and is based in Alameda, California.

Heliotrope develops next-generation electrochromic "smart" windows capable of independent control over light and heat transmission. The core technology was developed by Delia Milliron, Guillermo Garcia, and colleagues at Lawrence Berkeley National Laboratory. It was incorporated in 2012 and is based in Alameda, California.

Trove is a leading company in the branded resale and trade-in industry, primarily based in Ann Arbor, Michigan. The company provides a sophisticated platform that enables brands to efficiently launch, manage, and scale their resale programs, capturing over 75% of the U.S. branded resale market. Trove's platform offers advanced tools for in-store and digital trade-ins, returns processing, and inventory management, which empower brands to connect with diverse customer demographics and optimize their resale strategies through comprehensive analytics. Trove collaborates with notable brands, including Canada Goose, Michael Kors, and Patagonia, enhancing their ability to manage non-new inventory and enabling peer-to-peer sales. As a Certified B Corporation, Trove emphasizes sustainability in retail, aiming to combine commerce with environmental responsibility and drive the industry toward a more sustainable future.

Heliotrope develops next-generation electrochromic "smart" windows capable of independent control over light and heat transmission. The core technology was developed by Delia Milliron, Guillermo Garcia, and colleagues at Lawrence Berkeley National Laboratory. It was incorporated in 2012 and is based in Alameda, California.

Project Frog, Inc., founded in 2006 and based in San Francisco, California, specializes in the development, construction, and delivery of energy-efficient component building structures. The company provides a versatile range of products designed for various architectural applications, including education, healthcare, community centers, retail, and more. By utilizing technology to enhance the building process, Project Frog offers a fast and cost-effective solution that results in aesthetically pleasing and sustainable structures. Their approach aims to address the inefficiencies of traditional construction, leading to greener and smarter buildings that foster healthier environments. Through this innovative model, Project Frog seeks to revolutionize the construction industry while creating spaces that promote better performance for their occupants.