Prelude Ventures

Branch Energy specializes in renewable energy provision, supporting local wind and solar projects. It leverages data analytics and smart home technology to help customers reduce power consumption and promote clean energy initiatives.

LevelTen Energy is a Seattle-based company that operates a renewable energy transaction marketplace platform. Founded in 2016, it facilitates connections between corporate and industrial power buyers and utility-scale wind, solar, and storage projects. The platform enables these buyers to access power purchase agreements (PPAs), providing financial security through fixed-price renewables and the economic advantages of large-scale projects. LevelTen Energy equips renewable energy buyers, advisors, and sellers with tools and services to expedite better deals.

Xcimer Energy is an innovative company focused on developing laser-driven fusion technology to deliver affordable, abundant, and carbon-free energy. Founded in 2021 and based in Redwood City, California, Xcimer integrates low-cost excimer laser technology with the HYLIFE reaction chamber concept to create a scalable Inertial Fusion Energy (IFE) system. This approach addresses significant challenges that have historically hindered the viability of fusion power, enabling the application of experimentally proven controlled fusion reactions for electrical power generation. By transforming the energy marketplace, Xcimer aims to provide a sustainable energy solution that can meet growing global demands.

Thea Energy is developing scalable fusion energy technology using arrays of mass-manufacturable magnets and dynamic software controls. Its proprietary stellarator architecture aims to generate a limitless source of zero-emission power, contributing to a sustainable future.

Founded in 2018, Quaise is an innovative energy company based in Cambridge, Massachusetts. It specializes in developing and commercializing advanced millimeter-wave drilling systems to access geothermal energy sources worldwide, overcoming geographical limitations.

Element Energy develops advanced battery management systems that enhance safety, energy throughput, and lifespan of lithium-ion battery packs. Their technology enables cost-effective repurposing of retired electric vehicle batteries into grid-scale energy storage systems, facilitating renewable energy integration.

Electric Hydrogen is a company focused on deep decarbonization by developing low-cost, high-efficiency systems for producing fossil-free hydrogen. The company targets industrial sectors such as ammonia and steel production, which contribute significantly to global greenhouse gas emissions. By rethinking electrolysis technology from scratch, Electric Hydrogen aims to make clean hydrogen competitive with traditional methods in terms of cost and scale. Their advanced PEM (Proton Exchange Membrane) technology uses renewable electricity to generate clean hydrogen gas, reducing industrial pollution and dependence on fossil fuels. The company's leadership team brings extensive experience from pioneering clean energy companies like Tesla and First Solar, positioning Electric Hydrogen as a strong contender in the quest for zero-emission industrial processes.

Terabase Energy is a provider of automation and digital deployment solutions for utility-scale solar projects. The company develops software and services, including a cloud-based artificial intelligence project development platform that supports collaborative digital models, and offers technical advisory and engineering services. It markets an automation platform that integrates software, automation, and advanced construction techniques to help solar developers and EPC firms optimize project planning, streamline deployment, improve site efficiency, and manage costs, enabling scalable solar installations. The solutions are used by more than 400 engineering, procurement, and construction firms, developers, and independent power producers in 28 countries. Terabase Energy is based in Berkeley, California, with an additional office in Melbourne, Australia.

Ebb Carbon specializes in atmospheric carbon dioxide removal via a reverse electrochemical process that enhances the ocean's natural ability to store CO2 safely while reducing acidity. This innovative approach offers potential scalability and affordability.

Element Energy develops advanced battery management systems that enhance safety, energy throughput, and lifespan of lithium-ion battery packs. Their technology enables cost-effective repurposing of retired electric vehicle batteries into grid-scale energy storage systems, facilitating renewable energy integration.

Citrine Informatics, Inc. is a software company based in Redwood City, California, with an additional office in Pittsburgh, Pennsylvania, founded in 2013. It specializes in materials informatics by developing an artificial intelligence platform that aggregates extensive data on materials, chemicals, and devices. This platform leverages machine learning and data science to enhance research and development, manufacturing, and supply chain operations for organizations involved in producing physical products. By streamlining the materials development process, Citrine Informatics aims to facilitate the discovery of new materials and reduce defects early in the research phase, thus improving product growth and design. The company's focus spans various sectors, including energy, aerospace, and electronics.

Founded in 2017, Fervo Energy specializes in developing and operating geothermal assets using proprietary technology. Based in San Francisco, the company generates clean power through innovative geoscience methods, aiming to provide a dispatchable foundation for a 100% clean energy future.

Terabase Energy is a provider of automation and digital deployment solutions for utility-scale solar projects. The company develops software and services, including a cloud-based artificial intelligence project development platform that supports collaborative digital models, and offers technical advisory and engineering services. It markets an automation platform that integrates software, automation, and advanced construction techniques to help solar developers and EPC firms optimize project planning, streamline deployment, improve site efficiency, and manage costs, enabling scalable solar installations. The solutions are used by more than 400 engineering, procurement, and construction firms, developers, and independent power producers in 28 countries. Terabase Energy is based in Berkeley, California, with an additional office in Melbourne, Australia.

Electric Hydrogen is a company focused on deep decarbonization by developing low-cost, high-efficiency systems for producing fossil-free hydrogen. The company targets industrial sectors such as ammonia and steel production, which contribute significantly to global greenhouse gas emissions. By rethinking electrolysis technology from scratch, Electric Hydrogen aims to make clean hydrogen competitive with traditional methods in terms of cost and scale. Their advanced PEM (Proton Exchange Membrane) technology uses renewable electricity to generate clean hydrogen gas, reducing industrial pollution and dependence on fossil fuels. The company's leadership team brings extensive experience from pioneering clean energy companies like Tesla and First Solar, positioning Electric Hydrogen as a strong contender in the quest for zero-emission industrial processes.

Founded in 2018, Quaise is an innovative energy company based in Cambridge, Massachusetts. It specializes in developing and commercializing advanced millimeter-wave drilling systems to access geothermal energy sources worldwide, overcoming geographical limitations.

Sense Labs, Inc. is a technology company based in Cambridge, Massachusetts, specializing in home energy monitoring solutions. Established in 2013, the company develops and manufactures electronic devices that analyze electricity usage in households. Its flagship product, Sense, utilizes current sensors installed on main breakers to capture the electronic signatures of various appliances. This system employs advanced algorithms to identify and differentiate individual devices, providing users with insights into their energy consumption. Sense also offers a range of related products, including Sense Solar, add-on sensors, and various replacement components. The data collected by these devices is transmitted to users via a dedicated mobile application, enhancing the home automation experience.

Founded in 2018, Quaise is an innovative energy company based in Cambridge, Massachusetts. It specializes in developing and commercializing advanced millimeter-wave drilling systems to access geothermal energy sources worldwide, overcoming geographical limitations.

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.

LevelTen Energy is a Seattle-based company that operates a renewable energy transaction marketplace platform. Founded in 2016, it facilitates connections between corporate and industrial power buyers and utility-scale wind, solar, and storage projects. The platform enables these buyers to access power purchase agreements (PPAs), providing financial security through fixed-price renewables and the economic advantages of large-scale projects. LevelTen Energy equips renewable energy buyers, advisors, and sellers with tools and services to expedite better deals.

Electric Hydrogen is a company focused on deep decarbonization by developing low-cost, high-efficiency systems for producing fossil-free hydrogen. The company targets industrial sectors such as ammonia and steel production, which contribute significantly to global greenhouse gas emissions. By rethinking electrolysis technology from scratch, Electric Hydrogen aims to make clean hydrogen competitive with traditional methods in terms of cost and scale. Their advanced PEM (Proton Exchange Membrane) technology uses renewable electricity to generate clean hydrogen gas, reducing industrial pollution and dependence on fossil fuels. The company's leadership team brings extensive experience from pioneering clean energy companies like Tesla and First Solar, positioning Electric Hydrogen as a strong contender in the quest for zero-emission industrial processes.

Voltus, Inc. is a technology company based in San Francisco, California, that develops innovative energy products for industrial, commercial, and institutional customers. Founded in 2016, Voltus provides solutions that leverage distributed energy resources to enhance energy management and maximize operational flexibility in energy markets. Its offerings include Voltlet, which facilitates second-level data acquisition and control, Voltus energy cloud software, and Voltapp, an application designed for real-time energy visibility and control. By enabling clients to optimize their energy use, Voltus helps them generate cash flow and savings while contributing to a cleaner and more reliable energy future. The company operates on a model where it shares the financial benefits with its customers, ensuring that they profit from their participation in energy markets.

Encycle Corporation specializes in wireless electrical demand management solutions for commercial and industrial facilities. Based in Toronto with offices in California and the UK, the company offers automated demand response controllers that manage peak electrical demand across various building equipment types. Their products are installed directly or via distributors in California and New York, serving clients such as retail stores, office buildings, distribution centers, and food processing plants. Encycle's strategic partnership with Ayla Networks enhances its product offerings. Founded in 2005, the company changed its name from REGEN Energy Inc. to Encycle Corporation in 2015.

Voltus, Inc. is a technology company based in San Francisco, California, that develops innovative energy products for industrial, commercial, and institutional customers. Founded in 2016, Voltus provides solutions that leverage distributed energy resources to enhance energy management and maximize operational flexibility in energy markets. Its offerings include Voltlet, which facilitates second-level data acquisition and control, Voltus energy cloud software, and Voltapp, an application designed for real-time energy visibility and control. By enabling clients to optimize their energy use, Voltus helps them generate cash flow and savings while contributing to a cleaner and more reliable energy future. The company operates on a model where it shares the financial benefits with its customers, ensuring that they profit from their participation in energy markets.

Citrine Informatics, Inc. is a software company based in Redwood City, California, with an additional office in Pittsburgh, Pennsylvania, founded in 2013. It specializes in materials informatics by developing an artificial intelligence platform that aggregates extensive data on materials, chemicals, and devices. This platform leverages machine learning and data science to enhance research and development, manufacturing, and supply chain operations for organizations involved in producing physical products. By streamlining the materials development process, Citrine Informatics aims to facilitate the discovery of new materials and reduce defects early in the research phase, thus improving product growth and design. The company's focus spans various sectors, including energy, aerospace, and electronics.

Sense Labs, Inc. is a technology company based in Cambridge, Massachusetts, specializing in home energy monitoring solutions. Established in 2013, the company develops and manufactures electronic devices that analyze electricity usage in households. Its flagship product, Sense, utilizes current sensors installed on main breakers to capture the electronic signatures of various appliances. This system employs advanced algorithms to identify and differentiate individual devices, providing users with insights into their energy consumption. Sense also offers a range of related products, including Sense Solar, add-on sensors, and various replacement components. The data collected by these devices is transmitted to users via a dedicated mobile application, enhancing the home automation experience.

LevelTen Energy is a Seattle-based company that operates a renewable energy transaction marketplace platform. Founded in 2016, it facilitates connections between corporate and industrial power buyers and utility-scale wind, solar, and storage projects. The platform enables these buyers to access power purchase agreements (PPAs), providing financial security through fixed-price renewables and the economic advantages of large-scale projects. LevelTen Energy equips renewable energy buyers, advisors, and sellers with tools and services to expedite better deals.

Sense Labs, Inc. is a technology company based in Cambridge, Massachusetts, specializing in home energy monitoring solutions. Established in 2013, the company develops and manufactures electronic devices that analyze electricity usage in households. Its flagship product, Sense, utilizes current sensors installed on main breakers to capture the electronic signatures of various appliances. This system employs advanced algorithms to identify and differentiate individual devices, providing users with insights into their energy consumption. Sense also offers a range of related products, including Sense Solar, add-on sensors, and various replacement components. The data collected by these devices is transmitted to users via a dedicated mobile application, enhancing the home automation experience.

Voltus, Inc. is a technology company based in San Francisco, California, that develops innovative energy products for industrial, commercial, and institutional customers. Founded in 2016, Voltus provides solutions that leverage distributed energy resources to enhance energy management and maximize operational flexibility in energy markets. Its offerings include Voltlet, which facilitates second-level data acquisition and control, Voltus energy cloud software, and Voltapp, an application designed for real-time energy visibility and control. By enabling clients to optimize their energy use, Voltus helps them generate cash flow and savings while contributing to a cleaner and more reliable energy future. The company operates on a model where it shares the financial benefits with its customers, ensuring that they profit from their participation in energy markets.

LevelTen Energy is a Seattle-based company that operates a renewable energy transaction marketplace platform. Founded in 2016, it facilitates connections between corporate and industrial power buyers and utility-scale wind, solar, and storage projects. The platform enables these buyers to access power purchase agreements (PPAs), providing financial security through fixed-price renewables and the economic advantages of large-scale projects. LevelTen Energy equips renewable energy buyers, advisors, and sellers with tools and services to expedite better deals.

Citrine Informatics, Inc. is a software company based in Redwood City, California, with an additional office in Pittsburgh, Pennsylvania, founded in 2013. It specializes in materials informatics by developing an artificial intelligence platform that aggregates extensive data on materials, chemicals, and devices. This platform leverages machine learning and data science to enhance research and development, manufacturing, and supply chain operations for organizations involved in producing physical products. By streamlining the materials development process, Citrine Informatics aims to facilitate the discovery of new materials and reduce defects early in the research phase, thus improving product growth and design. The company's focus spans various sectors, including energy, aerospace, and electronics.

Sense Labs, Inc. is a technology company based in Cambridge, Massachusetts, specializing in home energy monitoring solutions. Established in 2013, the company develops and manufactures electronic devices that analyze electricity usage in households. Its flagship product, Sense, utilizes current sensors installed on main breakers to capture the electronic signatures of various appliances. This system employs advanced algorithms to identify and differentiate individual devices, providing users with insights into their energy consumption. Sense also offers a range of related products, including Sense Solar, add-on sensors, and various replacement components. The data collected by these devices is transmitted to users via a dedicated mobile application, enhancing the home automation experience.

Encycle Corporation specializes in wireless electrical demand management solutions for commercial and industrial facilities. Based in Toronto with offices in California and the UK, the company offers automated demand response controllers that manage peak electrical demand across various building equipment types. Their products are installed directly or via distributors in California and New York, serving clients such as retail stores, office buildings, distribution centers, and food processing plants. Encycle's strategic partnership with Ayla Networks enhances its product offerings. Founded in 2005, the company changed its name from REGEN Energy Inc. to Encycle Corporation in 2015.

EnergySavvy, Inc. is a cloud software company that specializes in providing utility solutions aimed at enhancing customer intelligence, engagement, and action. Founded in 2008 and based in Seattle, Washington, with additional offices in Boulder, Denver, and Cambridge, EnergySavvy offers a cloud-based home energy platform and various software products designed to help consumers understand their energy consumption and reduce utility costs. The company's key offerings include Program Optix and Online Audit, alongside program management services tailored for utilities implementing energy efficiency initiatives. EnergySavvy also provides valuable information on home energy rebates, tax credits, incentives, and financing options. With nearly 40 utility clients and state programs utilizing its services, EnergySavvy focuses on transforming the customer experience and improving operational efficiency in the utilities sector, leveraging expertise in software, user experience, and analytics.

Spark Thermionics is a developer of innovative energy-generation devices aimed at transforming conventional power production methods. The company's technology leverages heat-to-electricity converters based on thermionic energy conversion, allowing for efficient power generation from various fuel sources. This capability ensures that their devices operate quietly and can be scaled to produce electricity ranging from watts to megawatts. By focusing on efficiency and versatility, Spark Thermionics aims to provide cleaner, more affordable, and secure electricity solutions for users worldwide.

Founded in 2008, Renew Financial specializes in financing solutions for contractors and homeowners to promote energy efficiency and renewable energy projects. Its key products include Property-Assessed Clean Energy (PACE) financing and the Warehouse for Energy Efficiency Loans, facilitating investments from institutional investors.

Citrine Informatics, Inc. is a software company based in Redwood City, California, with an additional office in Pittsburgh, Pennsylvania, founded in 2013. It specializes in materials informatics by developing an artificial intelligence platform that aggregates extensive data on materials, chemicals, and devices. This platform leverages machine learning and data science to enhance research and development, manufacturing, and supply chain operations for organizations involved in producing physical products. By streamlining the materials development process, Citrine Informatics aims to facilitate the discovery of new materials and reduce defects early in the research phase, thus improving product growth and design. The company's focus spans various sectors, including energy, aerospace, and electronics.

EnergySavvy, Inc. is a cloud software company that specializes in providing utility solutions aimed at enhancing customer intelligence, engagement, and action. Founded in 2008 and based in Seattle, Washington, with additional offices in Boulder, Denver, and Cambridge, EnergySavvy offers a cloud-based home energy platform and various software products designed to help consumers understand their energy consumption and reduce utility costs. The company's key offerings include Program Optix and Online Audit, alongside program management services tailored for utilities implementing energy efficiency initiatives. EnergySavvy also provides valuable information on home energy rebates, tax credits, incentives, and financing options. With nearly 40 utility clients and state programs utilizing its services, EnergySavvy focuses on transforming the customer experience and improving operational efficiency in the utilities sector, leveraging expertise in software, user experience, and analytics.

Founded in 2008, Renew Financial specializes in financing solutions for contractors and homeowners to promote energy efficiency and renewable energy projects. Its key products include Property-Assessed Clean Energy (PACE) financing and the Warehouse for Energy Efficiency Loans, facilitating investments from institutional investors.

Sense Labs, Inc. is a technology company based in Cambridge, Massachusetts, specializing in home energy monitoring solutions. Established in 2013, the company develops and manufactures electronic devices that analyze electricity usage in households. Its flagship product, Sense, utilizes current sensors installed on main breakers to capture the electronic signatures of various appliances. This system employs advanced algorithms to identify and differentiate individual devices, providing users with insights into their energy consumption. Sense also offers a range of related products, including Sense Solar, add-on sensors, and various replacement components. The data collected by these devices is transmitted to users via a dedicated mobile application, enhancing the home automation experience.