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.

Thea Energy is focused on developing a scalable fusion energy system designed to provide a limitless, zero-emission power source for a sustainable future. Founded in 2022 as a spin-out from the Princeton Plasma Physics Laboratory and Princeton University, Thea Energy aims to innovate the stellarator, a well-established magnetic fusion technology. The company is utilizing advancements in computation and control systems to create its first integrated fusion system, Eos, which is based on a planar coil stellarator architecture. This design simplifies the traditional complex three-dimensional magnet coils, enabling continuous fusion reactions and offering utility companies a reliable alternative to intermittent renewable energy sources such as solar and wind.

Lightship is an all-electric RV manufacturer, designer, and producer of an aerodynamic, battery-powered trailer for the electric age. Lightship is an early-stage hardware startup launched in 2020 by Tesla alumni that is bringing the $26B RV industry into the electric age. Based in San Francisco and Broomfield, Colorado, Lightship is designing and producing an aerodynamic, battery-powered trailer that liberates travelers from the noise, emissions, and range anxiety of gas RVing.

Quaise is an energy company based in Cambridge, Massachusetts, focused on developing innovative millimeter-wave drilling systems to access deep geothermal heat. Founded in 2018, the company aims to overcome geographic limitations that currently restrict the utilization of geothermal energy. By repurposing existing fossil-fuel industrial assets, Quaise's technology enables the drilling of geothermal wells directly at operational power plants, facilitating a smoother transition to cleaner energy sources. This approach allows mining companies to collectively generate terawatts of clean power, rivaling the output of fossil fuels while achieving zero carbon emissions.

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.

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.

Element Energy is a startup focused on enhancing the performance, reliability, and cost-effectiveness of large battery packs utilized in various applications, including renewable energy storage and hybrid and electric vehicles. The company has developed a battery management system that aims to improve the safety, energy throughput, and lifespan of lithium-ion battery packs. This system facilitates the cost-effective repurposing of retired electric vehicle batteries into efficient grid-scale energy storage solutions. By doing so, Element Energy supports the integration of renewable energy sources and maximizes the total energy capacity of the battery packs.

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.

Fervo Energy, founded in 2017 and based in San Francisco, California, specializes in the development and commercialization of next-generation geothermal power technology. The company focuses on owning, developing, and operating geothermal assets to generate clean, carbon-free energy in new locations. By leveraging innovations in geoscience, Fervo Energy aims to accelerate the transition to a sustainable energy future, positioning itself as a key player in the evolution of the electric grid. Its proprietary technology serves as a dispatchable foundation for achieving a fully clean energy system, enabling clients to enhance productivity and scalability in energy production.

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.

Lightship is an all-electric RV manufacturer, designer, and producer of an aerodynamic, battery-powered trailer for the electric age. Lightship is an early-stage hardware startup launched in 2020 by Tesla alumni that is bringing the $26B RV industry into the electric age. Based in San Francisco and Broomfield, Colorado, Lightship is designing and producing an aerodynamic, battery-powered trailer that liberates travelers from the noise, emissions, and range anxiety of gas RVing.

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.

Quaise is an energy company based in Cambridge, Massachusetts, focused on developing innovative millimeter-wave drilling systems to access deep geothermal heat. Founded in 2018, the company aims to overcome geographic limitations that currently restrict the utilization of geothermal energy. By repurposing existing fossil-fuel industrial assets, Quaise's technology enables the drilling of geothermal wells directly at operational power plants, facilitating a smoother transition to cleaner energy sources. This approach allows mining companies to collectively generate terawatts of clean power, rivaling the output of fossil fuels while achieving zero carbon emissions.

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.

Quaise is an energy company based in Cambridge, Massachusetts, focused on developing innovative millimeter-wave drilling systems to access deep geothermal heat. Founded in 2018, the company aims to overcome geographic limitations that currently restrict the utilization of geothermal energy. By repurposing existing fossil-fuel industrial assets, Quaise's technology enables the drilling of geothermal wells directly at operational power plants, facilitating a smoother transition to cleaner energy sources. This approach allows mining companies to collectively generate terawatts of clean power, rivaling the output of fossil fuels while achieving zero carbon emissions.

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.

LevelTen Energy, Inc. is a Seattle-based company founded in 2016 that operates a renewable energy transaction marketplace. This platform serves to connect corporate and industrial power buyers with power purchase agreements (PPAs) from utility-scale wind, solar, and storage projects. By facilitating access to a wide range of renewable energy options, LevelTen Energy enables clients to secure fixed-price renewable energy solutions and benefit economically from large-scale projects. The company's technology-driven marketplace enhances the efficiency of transactions, allowing buyers, advisors, and sellers to achieve better deals in a streamlined manner. Through its services, LevelTen Energy plays a significant role in advancing the adoption of renewable energy in the corporate sector.

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.

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.

CoverCress Inc. is a biotechnology company based in St. Louis, Missouri, focused on developing and commercializing field pennycress as an oilseed crop. Founded in 2013, the company aims to produce oil for industrial and renewable fuels, as well as meal for nutritious livestock feed. CoverCress specializes in crop breeding services that enhance soil cover during corn harvest and soybean planting, allowing farmers to maximize yields through sustainable agricultural practices. The company is dedicated to utilizing low-input methods to create a feedstock for low carbon intensity biofuels, contributing to more efficient and environmentally friendly agricultural solutions.

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.

Powerhive Inc. specializes in rural electrification by offering tools and services that facilitate the implementation of energy access projects globally. Its primary technology platform, Honeycomb, is a cloud-based software that automates account management, monitors microgrid operations remotely, and performs real-time data analytics. Additionally, the company provides Asali, a smart meter designed for off-grid microgrid applications, and SWARM, a tool that aids in project development through effective site selection and customer identification. Powerhive also offers a range of services related to microgrid operations management and project deployment, including market feasibility studies, design services, and on-site training. Founded in 2011 and headquartered in Berkeley, California, with an office in Nairobi, Kenya, Powerhive aims to deliver affordable and reliable electricity to off-grid communities in emerging markets, enabling access to power for small appliances and income-generating activities.

LevelTen Energy, Inc. is a Seattle-based company founded in 2016 that operates a renewable energy transaction marketplace. This platform serves to connect corporate and industrial power buyers with power purchase agreements (PPAs) from utility-scale wind, solar, and storage projects. By facilitating access to a wide range of renewable energy options, LevelTen Energy enables clients to secure fixed-price renewable energy solutions and benefit economically from large-scale projects. The company's technology-driven marketplace enhances the efficiency of transactions, allowing buyers, advisors, and sellers to achieve better deals in a streamlined manner. Through its services, LevelTen Energy plays a significant role in advancing the adoption of renewable energy in the corporate sector.

CoverCress Inc. is a biotechnology company based in St. Louis, Missouri, focused on developing and commercializing field pennycress as an oilseed crop. Founded in 2013, the company aims to produce oil for industrial and renewable fuels, as well as meal for nutritious livestock feed. CoverCress specializes in crop breeding services that enhance soil cover during corn harvest and soybean planting, allowing farmers to maximize yields through sustainable agricultural practices. The company is dedicated to utilizing low-input methods to create a feedstock for low carbon intensity biofuels, contributing to more efficient and environmentally friendly agricultural solutions.

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.

LevelTen Energy, Inc. is a Seattle-based company founded in 2016 that operates a renewable energy transaction marketplace. This platform serves to connect corporate and industrial power buyers with power purchase agreements (PPAs) from utility-scale wind, solar, and storage projects. By facilitating access to a wide range of renewable energy options, LevelTen Energy enables clients to secure fixed-price renewable energy solutions and benefit economically from large-scale projects. The company's technology-driven marketplace enhances the efficiency of transactions, allowing buyers, advisors, and sellers to achieve better deals in a streamlined manner. Through its services, LevelTen Energy plays a significant role in advancing the adoption of renewable energy in the corporate sector.

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.

CoverCress Inc. is a biotechnology company based in St. Louis, Missouri, focused on developing and commercializing field pennycress as an oilseed crop. Founded in 2013, the company aims to produce oil for industrial and renewable fuels, as well as meal for nutritious livestock feed. CoverCress specializes in crop breeding services that enhance soil cover during corn harvest and soybean planting, allowing farmers to maximize yields through sustainable agricultural practices. The company is dedicated to utilizing low-input methods to create a feedstock for low carbon intensity biofuels, contributing to more efficient and environmentally friendly agricultural solutions.

Spark Thermionics offers an energy-generation device that displaces conventional power production methods. The device utilizes heat-to-electricity converters that are based on thermionic energy conversion technology, can produce power from any fuel source at high efficiency, in a quiet package, and can scale from watts to megawatts, enabling people around the world to have cleaner, cheaper, and more secure electricity.

Renew Financial provides financing solutions that help efficiency and renewable energy contractors grow their businesses while promoting energy independence. Its aim is to develop advanced financing designed to transform America’s economy to clean energy. The company’s financing products include PACE financing model and the Warehouse for Energy Efficiency Loans, which opens the residential energy efficiency finance market to large institutional investors. Founded in 2008 by Cisco DeVries, Renew Financial has a partnership with SolarCity targeted at small- and medium-sized businesses utilizing PACE.

Powerhive Inc. specializes in rural electrification by offering tools and services that facilitate the implementation of energy access projects globally. Its primary technology platform, Honeycomb, is a cloud-based software that automates account management, monitors microgrid operations remotely, and performs real-time data analytics. Additionally, the company provides Asali, a smart meter designed for off-grid microgrid applications, and SWARM, a tool that aids in project development through effective site selection and customer identification. Powerhive also offers a range of services related to microgrid operations management and project deployment, including market feasibility studies, design services, and on-site training. Founded in 2011 and headquartered in Berkeley, California, with an office in Nairobi, Kenya, Powerhive aims to deliver affordable and reliable electricity to off-grid communities in emerging markets, enabling access to power for small appliances and income-generating activities.

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.

CoverCress Inc. is a biotechnology company based in St. Louis, Missouri, focused on developing and commercializing field pennycress as an oilseed crop. Founded in 2013, the company aims to produce oil for industrial and renewable fuels, as well as meal for nutritious livestock feed. CoverCress specializes in crop breeding services that enhance soil cover during corn harvest and soybean planting, allowing farmers to maximize yields through sustainable agricultural practices. The company is dedicated to utilizing low-input methods to create a feedstock for low carbon intensity biofuels, contributing to more efficient and environmentally friendly agricultural solutions.

QuantumScape develops solid-state lithium-metal batteries for electric vehicles and other energy storage applications. The company works to revolutionize the battery industry by producing a solid-state battery that will provide a substantially higher level of battery storage than other batteries currently on the market. It manufactures lithium batteries aimed to accelerate the commercialization of solid-state batteries. The company's innovative approach could significantly impact the future of electric transportation and renewable energy integration. Jagdeep Singh founded the company in San Jose, California in 2010.

Aquion Energy is a manufacturer of innovative energy storage solutions, specializing in sodium ion batteries designed for long-duration stationary energy storage. The company's proprietary Aqueous Hybrid Ion (AHI™) battery technology, developed from research by Carnegie Mellon University Professor Jay Whitacre, addresses the limitations of conventional energy storage systems. Aquion's batteries are safe, reliable, and environmentally friendly, utilizing non-toxic components such as saltwater, and they are free from heavy metals and toxic chemicals. These features make the AHI systems non-flammable and non-explosive, positioning them as a sustainable alternative for clients seeking to decrease reliance on fossil fuels. By optimizing existing grid-tied generation assets, Aquion Energy enhances the flexibility and efficiency of the electrical grid, facilitating the broader adoption of renewable energy technologies.

Renew Financial provides financing solutions that help efficiency and renewable energy contractors grow their businesses while promoting energy independence. Its aim is to develop advanced financing designed to transform America’s economy to clean energy. The company’s financing products include PACE financing model and the Warehouse for Energy Efficiency Loans, which opens the residential energy efficiency finance market to large institutional investors. Founded in 2008 by Cisco DeVries, Renew Financial has a partnership with SolarCity targeted at small- and medium-sized businesses utilizing PACE.

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.