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.

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.

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.

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.

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.

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.

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.

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.

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.