Prelude Ventures

RedoxBlox develops thermochemical energy storage technology to decarbonize high-temperature industrial thermal processing and provide long-duration energy storage for the grid. The technology enables continuous high-temperature heat while integrating with existing infrastructure to replace natural gas combustion, supporting electrification and renewables deployment. It reduces carbon dioxide and nitrogen oxides emissions, enhances safety and resilience, and aims to lower total capital cost for industrial processors and power plant operators. By delivering scalable, long-duration heat, RedoxBlox helps industries leverage renewable energy and move toward low-emission operations.

Form Energy, Inc. is a company focused on developing long-duration energy storage systems aimed at transforming the electric grid by enabling the reliable use of renewable energy sources such as wind and solar. Established in 2017 and based in Somerville, Massachusetts, Form Energy is known for its innovative iron-air battery technology, which allows for the storage of electricity over extended periods, making renewable energy more dispatchable throughout the year. This technology not only helps to replace conventional fossil fuel-based generation but also enhances transmission capacity without the need for new infrastructure. By facilitating deep decarbonization of the electric system, Form Energy plays a significant role in reducing carbon emissions and promoting a sustainable energy future.

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.

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.

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.

Form Energy, Inc. is a company focused on developing long-duration energy storage systems aimed at transforming the electric grid by enabling the reliable use of renewable energy sources such as wind and solar. Established in 2017 and based in Somerville, Massachusetts, Form Energy is known for its innovative iron-air battery technology, which allows for the storage of electricity over extended periods, making renewable energy more dispatchable throughout the year. This technology not only helps to replace conventional fossil fuel-based generation but also enhances transmission capacity without the need for new infrastructure. By facilitating deep decarbonization of the electric system, Form Energy plays a significant role in reducing carbon emissions and promoting a sustainable energy future.

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.

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.

Form Energy, Inc. is a company focused on developing long-duration energy storage systems aimed at transforming the electric grid by enabling the reliable use of renewable energy sources such as wind and solar. Established in 2017 and based in Somerville, Massachusetts, Form Energy is known for its innovative iron-air battery technology, which allows for the storage of electricity over extended periods, making renewable energy more dispatchable throughout the year. This technology not only helps to replace conventional fossil fuel-based generation but also enhances transmission capacity without the need for new infrastructure. By facilitating deep decarbonization of the electric system, Form Energy plays a significant role in reducing carbon emissions and promoting a sustainable energy future.

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.

Form Energy, Inc. is a company focused on developing long-duration energy storage systems aimed at transforming the electric grid by enabling the reliable use of renewable energy sources such as wind and solar. Established in 2017 and based in Somerville, Massachusetts, Form Energy is known for its innovative iron-air battery technology, which allows for the storage of electricity over extended periods, making renewable energy more dispatchable throughout the year. This technology not only helps to replace conventional fossil fuel-based generation but also enhances transmission capacity without the need for new infrastructure. By facilitating deep decarbonization of the electric system, Form Energy plays a significant role in reducing carbon emissions and promoting a sustainable energy future.

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.

Natron Energy develops sodium ion battery technologies for various industrial applications. Founded in 2012, the company specializes in stationary energy storage solutions, including UPS systems, electric vehicle charging, and grid support.

Form Energy, Inc. is a company focused on developing long-duration energy storage systems aimed at transforming the electric grid by enabling the reliable use of renewable energy sources such as wind and solar. Established in 2017 and based in Somerville, Massachusetts, Form Energy is known for its innovative iron-air battery technology, which allows for the storage of electricity over extended periods, making renewable energy more dispatchable throughout the year. This technology not only helps to replace conventional fossil fuel-based generation but also enhances transmission capacity without the need for new infrastructure. By facilitating deep decarbonization of the electric system, Form Energy plays a significant role in reducing carbon emissions and promoting a sustainable energy future.

Powerhive Inc. is a company focused on facilitating rural electrification projects in energy access markets globally. Established in 2011 and headquartered in Berkeley, California, with an additional office in Nairobi, Kenya, Powerhive offers a suite of technology platforms designed to enhance the efficiency and effectiveness of microgrid operations. Its flagship product, Honeycomb, is a cloud-based software platform that automates account management, monitors microgrid operations remotely, and performs real-time data analytics. Other key offerings include Asali, a smart meter for off-grid applications, and SWARM, a tool for site selection and customer identification. Powerhive also provides extensive services in project development and management, covering aspects such as market feasibility studies, site selection, pilot deployments, design, customer acquisition, and on-site training. The company is committed to delivering affordable and reliable electricity to off-grid communities, enabling users to power small appliances and support income-generating activities.

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.

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.

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.

Powerhive Inc. is a company focused on facilitating rural electrification projects in energy access markets globally. Established in 2011 and headquartered in Berkeley, California, with an additional office in Nairobi, Kenya, Powerhive offers a suite of technology platforms designed to enhance the efficiency and effectiveness of microgrid operations. Its flagship product, Honeycomb, is a cloud-based software platform that automates account management, monitors microgrid operations remotely, and performs real-time data analytics. Other key offerings include Asali, a smart meter for off-grid applications, and SWARM, a tool for site selection and customer identification. Powerhive also provides extensive services in project development and management, covering aspects such as market feasibility studies, site selection, pilot deployments, design, customer acquisition, and on-site training. The company is committed to delivering affordable and reliable electricity to off-grid communities, enabling users to power small appliances and support income-generating activities.

QuantumScape is a renewable energy company focused on advancing solid-state battery technology to enhance the performance and range of electric vehicles. Founded in 2010 by Jagdeep Singh in San Jose, California, the company aims to transform the battery industry by creating a solid-state battery that offers significantly higher energy storage capacity compared to traditional batteries. QuantumScape is developing next-generation solid-state lithium-metal batteries, featuring an innovative anode-less cell design that improves energy density while reducing material costs and streamlining manufacturing processes. Through these advancements, QuantumScape seeks to facilitate the widespread adoption of electric vehicles.

Aquion Energy specializes in developing and commercializing innovative energy storage solutions, particularly its proprietary Aqueous Hybrid Ion (AHI™) batteries. These sodium ion batteries are designed for stationary energy storage and are notable for their environmentally friendly design, utilizing non-toxic components such as saltwater. Aquion's technology addresses the limitations of traditional energy storage systems, providing safe, reliable, and sustainable options that are non-flammable and non-explosive. By enhancing the electrical grid, Aquion's AHI systems optimize existing generation assets and facilitate the broader adoption of renewable energy technologies, thereby contributing to the reduction of reliance on fossil fuels.