DCVC

Mainspring Energy, Inc. is a technology company based in Menlo Park, California, that specializes in developing linear generator technology for low carbon, dispatchable energy solutions. Founded in 2010 by three Stanford engineers, the company focuses on creating advanced prototypes that convert fuel into electricity through a unique, low-temperature reaction of air and fuel. This innovative approach allows Mainspring to offer generators that provide affordable, reliable electricity while significantly reducing carbon emissions compared to traditional electric grids. The company's mission is to address climate change and enhance energy accessibility, contributing to the development of net-zero carbon energy systems for the future.

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.

Radiant is a clean energy startup based in Los Angeles, California, that specializes in the development of portable nuclear microreactors. Founded in 2019, the company aims to provide an alternative to fossil fuels for both military and commercial applications. Its flagship product, the Kaleidos microreactor, is designed to fit within a shipping container, allowing for transportation by air, ship, and road. This innovative microreactor serves as a zero-emissions power source, making it particularly suitable for remote locations and critical applications where traditional diesel generators are typically used.

Zap Energy, Inc. is a Seattle-based company that specializes in the design and manufacture of sheared-flow stabilized Z-Pinch fusion reactors for power generation. Founded in 2017, the company focuses on developing compact and scalable fusion technology that offers low-carbon, cost-effective, and flexible energy solutions. Unlike conventional fusion methods, Zap Energy's approach utilizes electric current to create magnetic fields that confine and compress plasma, enhancing the stability and efficiency of the fusion process. This innovative technology aims to provide sustainable energy while requiring less capital investment compared to traditional fusion systems.

Tidal Metals developed a breakthrough suite of innovations for producing critical minerals and metals from seawater and brines – with no waste, no carbon emissions, and no harm to the environment.

Twelve, formerly known as Opus 12, is a Berkeley, California-based company that specializes in recycling carbon dioxide emissions into valuable chemicals and fuels. Founded in 2015, the company has developed innovative technology that can be integrated with any source of CO₂ emissions. By utilizing only water and electricity as inputs, Twelve transforms captured carbon dioxide into essential products such as methane, ethylene, and ethanol. The firm aims to provide a cost-competitive alternative to petroleum-derived chemicals and fuels, thereby addressing carbon emissions while simultaneously creating economically viable solutions.

ZwitterCo specializes in advanced membrane solutions for the treatment of highly impaired wastewater, enabling the reuse and recycling of water resources in industrial applications. The company's innovative reverse osmosis and nanofiltration technologies address the challenges of treating historically unfilterable streams by preventing fouling caused by organic molecules. ZwitterCo's membranes are chlorine-tolerant, back-washable, and resistant to irreversible fouling, which enhances their longevity and performance. By transforming wastewater from a liability into a valuable resource, ZwitterCo helps clients manage their water treatment needs more economically and sustainably, reducing chemical demands and improving operational efficiency.

ElectronX develops an energy exchange platform designed to stabilize short-term electricity pricing. It offers centrally cleared power derivatives, enabling utilities, traders, and independent power producers to effectively manage intraday price risks.

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.

Equilibrium Energy specializes in optimizing energy consumption and reducing costs through its advanced energy management platform. The company aims to facilitate sustainable practices, enhance efficiency for power companies, and contribute positively to the environment.

Fourth Power specializes in utility-scale thermal battery storage solutions. It converts renewable energy into a reliable on-demand power source, addressing grid needs while facilitating the transition to decarbonized infrastructure.

CH4 Global develops seaweed-based feed additives for ruminant animals to reduce methane emissions. Its primary product uses Asparagopsis seaweed as a supplement to lower enteric methane in cattle, goats, sheep, and other ruminants. The company aims to scale sustainable livestock production by offering solutions to farmers and food producers and by enabling potential access to carbon credits and premium prices for low-emission products. Describing itself as an aquaculture solutions provider, CH4 Global applies science and technology to grow seaweed for livestock use and relies on a team of scientists and business leaders to advance deployment worldwide.

Nium is a climate technology company focused on decarbonizing industry through innovative nanotechnology. The company has developed a nanocatalyst reactor that facilitates the on-site synthesis of ammonia, utilizing renewable energy sources. This system, known as Green Ammonia on Demand, allows for the decentralized production of ammonia, which can be stored and transported efficiently. By integrating its reactor with hydrogen-producing facilities, Nium aims to significantly reduce carbon dioxide emissions, thereby helping industries lower their carbon footprints and contribute to a more sustainable economy.

Amogy specializes in developing carbon-free energy solutions for hard-to-abate sectors such as maritime, power generation, and heavy industry. Its patented ammonia cracking technology converts liquid ammonia into electrical power using hydrogen fuel cells.

Aquafortus specializes in non-thermal crystallization technology aimed at recovering clean water and crystallizing salts from high-salinity brines. The company addresses the treatment needs of various industries, including cooling towers, mining, oil and gas, inland desalination, and flue gas desulfurization from power generation. By significantly reducing energy consumption, Aquafortus enhances the economic viability of liquid transportation, wastewater management, and zero liquid discharge processes. This innovative approach enables clients to lower their operating expenses while effectively managing high-salinity waste.

BurnBot specializes in wildfire mitigation and vegetation management services. It combines expertise in forestry with advanced fire technology to systematically treat fuel sources, preventing destructive wildfires.

ZwitterCo specializes in advanced membrane solutions for the treatment of highly impaired wastewater, enabling the reuse and recycling of water resources in industrial applications. The company's innovative reverse osmosis and nanofiltration technologies address the challenges of treating historically unfilterable streams by preventing fouling caused by organic molecules. ZwitterCo's membranes are chlorine-tolerant, back-washable, and resistant to irreversible fouling, which enhances their longevity and performance. By transforming wastewater from a liability into a valuable resource, ZwitterCo helps clients manage their water treatment needs more economically and sustainably, reducing chemical demands and improving operational efficiency.

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.

Twelve, formerly known as Opus 12, is a Berkeley, California-based company that specializes in recycling carbon dioxide emissions into valuable chemicals and fuels. Founded in 2015, the company has developed innovative technology that can be integrated with any source of CO₂ emissions. By utilizing only water and electricity as inputs, Twelve transforms captured carbon dioxide into essential products such as methane, ethylene, and ethanol. The firm aims to provide a cost-competitive alternative to petroleum-derived chemicals and fuels, thereby addressing carbon emissions while simultaneously creating economically viable solutions.

Zap Energy, Inc. is a Seattle-based company that specializes in the design and manufacture of sheared-flow stabilized Z-Pinch fusion reactors for power generation. Founded in 2017, the company focuses on developing compact and scalable fusion technology that offers low-carbon, cost-effective, and flexible energy solutions. Unlike conventional fusion methods, Zap Energy's approach utilizes electric current to create magnetic fields that confine and compress plasma, enhancing the stability and efficiency of the fusion process. This innovative technology aims to provide sustainable energy while requiring less capital investment compared to traditional fusion systems.

Brimstone develops a carbon-negative process for producing ordinary portland cement and supplementary cementitious material. Its technology uses calcium silicate rock instead of limestone, delivering identical products at scale while significantly reducing CO2 emissions.

Amogy specializes in developing carbon-free energy solutions for hard-to-abate sectors such as maritime, power generation, and heavy industry. Its patented ammonia cracking technology converts liquid ammonia into electrical power using hydrogen fuel cells.

CH4 Global develops seaweed-based feed additives for ruminant animals to reduce methane emissions. Its primary product uses Asparagopsis seaweed as a supplement to lower enteric methane in cattle, goats, sheep, and other ruminants. The company aims to scale sustainable livestock production by offering solutions to farmers and food producers and by enabling potential access to carbon credits and premium prices for low-emission products. Describing itself as an aquaculture solutions provider, CH4 Global applies science and technology to grow seaweed for livestock use and relies on a team of scientists and business leaders to advance deployment worldwide.

Aquafortus specializes in non-thermal crystallization technology aimed at recovering clean water and crystallizing salts from high-salinity brines. The company addresses the treatment needs of various industries, including cooling towers, mining, oil and gas, inland desalination, and flue gas desulfurization from power generation. By significantly reducing energy consumption, Aquafortus enhances the economic viability of liquid transportation, wastewater management, and zero liquid discharge processes. This innovative approach enables clients to lower their operating expenses while effectively managing high-salinity waste.

Trident Desal is a pioneering developer of temperature swing solvent extraction (TSSE) desalination technology. This innovative process uses low-grade thermal heat to treat high-salinity water cost-effectively, addressing the challenge of toxic brine waste common in traditional desalination methods. Trident's system employs a proprietary solvent that selectively attracts and separates brine from freshwater when heated, allowing for its reuse in subsequent cycles.

Twelve, formerly known as Opus 12, is a Berkeley, California-based company that specializes in recycling carbon dioxide emissions into valuable chemicals and fuels. Founded in 2015, the company has developed innovative technology that can be integrated with any source of CO₂ emissions. By utilizing only water and electricity as inputs, Twelve transforms captured carbon dioxide into essential products such as methane, ethylene, and ethanol. The firm aims to provide a cost-competitive alternative to petroleum-derived chemicals and fuels, thereby addressing carbon emissions while simultaneously creating economically viable solutions.

Amogy specializes in developing carbon-free energy solutions for hard-to-abate sectors such as maritime, power generation, and heavy industry. Its patented ammonia cracking technology converts liquid ammonia into electrical power using hydrogen fuel cells.

Advano, also known as NanoStar, Inc., is a New Orleans-based company that specializes in silicon nanotechnology, focusing on the development of advanced silicon anode materials for lithium-ion batteries. Founded in 2014 and a graduate of Y Combinator in 2017, Advano offers scalable solutions that enhance the energy density and longevity of lithium-ion batteries by integrating or replacing traditional graphite components. Its innovative products cater to various industries, including electric vehicles and consumer electronics, and are designed to improve energy storage and charging capabilities. By providing low-cost, high-performance materials, Advano aims to support the domestic battery supply chain and facilitate the transition to sustainable energy solutions.

WaterFX is a manufacturer specializing in sustainable solar desalination systems designed to enhance the availability and reliability of freshwater generation. The company employs concentrated solar still technology to convert unusable saltwater into potable water, utilizing any treatable source. By integrating a peer-to-peer connected water network, WaterFX enables users to access a more dependable and sustainable water service. Through its innovative approach, the company aims to address global freshwater challenges by providing efficient and eco-friendly solutions for water scarcity.

Advano, also known as NanoStar, Inc., is a New Orleans-based company that specializes in silicon nanotechnology, focusing on the development of advanced silicon anode materials for lithium-ion batteries. Founded in 2014 and a graduate of Y Combinator in 2017, Advano offers scalable solutions that enhance the energy density and longevity of lithium-ion batteries by integrating or replacing traditional graphite components. Its innovative products cater to various industries, including electric vehicles and consumer electronics, and are designed to improve energy storage and charging capabilities. By providing low-cost, high-performance materials, Advano aims to support the domestic battery supply chain and facilitate the transition to sustainable energy solutions.

Terrestrial Energy is a developer of Generation IV nuclear power plants focused on the Integral Molten Salt Reactor (IMSR) technology. The company designs reactors that use molten salt fuel and salts as coolant to generate heat and electricity, offering zero-carbon, dispatchable power and high-temperature industrial heat for applications such as chemical synthesis and desalination. Founded in 2012 and based in Oakville, Canada, Terrestrial Energy aims to commercialize IMSR plants with advantages in safety, cost efficiency, siting flexibility, and deployment speed. It engages with regulators, suppliers, and industrial partners to advance licensing and deployment of the first IMSR plants in the early 2030s, expanding the role of nuclear energy beyond electricity to support decarbonization and energy security.