Breakthrough Energy Ventures

Arnergy specializes in delivering sustainable energy solutions for businesses and homes in emerging markets. Its mission is to provide clean, reliable power tailored to tackle intermittency and grid unreliability, enabling clients to access affordable distributed energy systems.

Bloom Biorenewables Ltd is a Swiss company established in 2019, specializing in the development of innovative technologies that convert wood and agricultural waste into renewable materials as substitutes for petroleum-based products. The company focuses on producing bio-based materials for various sectors, including fragrances, plastics, and textiles, thereby offering sustainable alternatives to fossil fuels. By introducing a novel approach to the production of biorenewable products and fuels, Bloom Biorenewables aims to make a significant impact in promoting the use of sustainable resources and addressing climate change challenges.

Mantle8 is a pioneering exploration company specializing in natural hydrogen. It leverages proprietary geological models and imaging technologies to precisely locate and evaluate natural hydrogen sources, offering unparalleled accuracy in the industry.

Founded in 2012, 75F specializes in IoT-based building automation systems for commercial spaces. Its products include smart sensors, thermostats, and a central control unit, enabling real-time data collection and dynamic adjustments to HVAC performance based on occupancy and environmental changes. This results in improved indoor comfort, energy savings, and reduced operational costs.

INERATEC develops sustainable fuels and power-to-X plants to replace fossil fuels with carbon-neutral alternatives. The company focuses on renewable e-fuels and synthetic chemical products that enable transportation and industrial processes to run on climate-friendly energy. It produces renewable hydrogen and other greenhouse gases, which are transformed into products such as e-kerosene, carbon dioxide-neutral diesel, synthetic waxes, and methanol, allowing chemical plants to operate using synthetic fuels with climate-neutral energy, reduced chemical waste, and enhanced climate protection.

Mangrove Lithium is a Vancouver-based company that has developed a modular platform for producing battery-grade lithium hydroxide and carbonate efficiently from diverse input streams. Its scalable solution can be co-located with upstream producers or manufacturers, enabling cost-effective conversion of waste brines to chemicals and desalinated water.

H2SITE develops on-site hydrogen production technology that enables compact systems for generating hydrogen at customer sites. The technology supports low-carbon hydrogen production and integrates production, transportation, and storage, making hydrogen transport more viable and helping unlock hydrogen markets. The company aims to help businesses reduce transportation costs and energy waste by providing efficient, on-site hydrogen solutions.

Deep Sky develops carbon dioxide removal infrastructure and technologies to capture and store CO2 using renewable energy at scale. It provides renewable-energy powered capture and storage services that enable compliance, voluntary, and government procurement markets to monetize premium carbon dioxide removal credits while ensuring safe, long-term storage of the gas. By combining scalable capture with storage and environmental resources, Deep Sky supports efforts to reduce the carbon footprint and accelerate market adoption of CDR solutions.

HyperHeat develops advanced electric heating solutions capable of reaching temperatures up to 2000°C. Utilizing renewable electricity, HyperHeat provides an efficient alternative to fossil fuels for industries like steel, cement, and chemicals. With a high efficiency rate and scalability, the technology offers significant CO2 emission reductions.

NitroVolt decarbonizes nitrogen-based fertilizer production for agriculture. Its patented Nitrolyzer unit produces ammonia on-demand using air, water, and renewable electricity at farms, reducing emissions and logistics costs.

LuxWall is a building materials company that designs and manufactures vacuum-insulated glass, a transparent insulation material that reduces heating and cooling losses and improves building energy efficiency. Its vacuum-insulated glass supports energy standards for commercial and residential buildings and uses technology aimed at enabling greater thermal performance. Founded in 2020 and headquartered in Ypsilanti, Michigan, LuxWall seeks to advance sustainable construction and has indicated a potential to reduce global carbon emissions by more than 0.5 gigatonnes per year, highlighting its environmental impact.

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.

KoBold Metals specializes in global mineral exploration for battery materials. It combines geological expertise with advanced data analytics and machine learning to identify prospective cobalt sources, supporting the electric vehicle revolution.

Founded in 2017, ZeroAvia develops zero-emission aircraft propulsion systems designed to eliminate aviation emissions while maintaining operational efficiency. The company focuses on scalable hydrogen-electric technologies that can retrofit existing aircraft and support sustainable aviation.

Graphyte offers carbon removal services by utilizing a carbon casting technology.

Founded in 2019 by renowned fusion scientists and business leaders, Type One Energy is dedicated to delivering sustainable and affordable fusion power globally. The company employs advanced manufacturing methods, computational physics, and high-field superconducting magnets to develop its optimized stellarator fusion energy system. Its FusionDirect program aims for a low-risk, efficient path to a fusion power plant within the next decade.

44.01 specializes in CO2 removal from the atmosphere by accelerating the natural weathering process in peridotite rocks, converting captured CO2 into stable minerals.

Rondo Energy is a company focused on providing zero-carbon industrial heat solutions. Its innovative Rondo Heat Battery captures low-cost renewable electricity and converts it into continuous high-temperature heat, allowing industrial processes to operate with reduced energy costs and eliminated emissions. By enabling clients to transition to renewable energy sources, Rondo Energy supports the decarbonization of industrial operations, contributing to a more sustainable future.

Planted Solar develops and deploys solar power plants using a rapid deployment platform that increases energy output per acre and accelerates project delivery. It combines development software, terrain-adaptive high-density racking, and automated construction to build flexible, all-terrain power plants. Through advanced site planning and logistics, the company aims to maximize land use and streamline solar development, enabling faster, scalable deployment of clean energy.

Founded in 2020, Prolific Machines is a San Francisco-based biotech company dedicated to revolutionizing cell production for a sustainable future. It combines advanced technologies to enable large-scale cell manufacturing, aiming to improve therapeutic protein production for biotechnology and pharmaceutical companies.

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.

ArkeaBio focuses on developing innovative technology aimed at reducing greenhouse gas emissions within the agricultural sector. The company specializes in vaccine technology that targets methane-producing microbes in livestock, effectively neutralizing these microbes to cut methane emissions from various ruminant species. By employing proven delivery systems and sustainable farming practices, ArkeaBio's solutions are designed to be applicable across diverse geographical regions and agronomic systems. This approach not only helps in mitigating the environmental impact of livestock farming but also promotes a more sustainable agricultural industry.

Windfall Bio is an innovative company based in San Mateo, California, that addresses climate change by transforming harmful methane emissions into organic fertilizer. Established in 2022, the company utilizes methane-eating microbes to capture methane from various sources, including agriculture, oil and gas, and waste management. This nature-based technology not only reduces the methane footprint of these industries but also improves their operational efficiency and profitability while minimizing the negative environmental impacts associated with synthetic fertilizers. By providing farmers and other producers with the means to convert methane into valuable soil nutrients, Windfall Bio fosters a sustainable agricultural future and contributes positively to environmental conservation. The company is backed by prominent venture capital firms, reflecting its potential to make a significant impact in the fight against climate change.

Mission Zero develops air capture technology that removes carbon dioxide from the atmosphere and concentrates it for sequestration pathways. The system is designed to recover historic CO2 at any scale by pulling ambient air, dissolving the carbon in a water solvent, and releasing it as a gas through electrodialysis, enabling CO2 users, project developers, engineers, and scientists to convert historic carbon waste into climate value.

Lilac Solutions, Inc. is a mining technology company based in Oakland, California, specializing in lithium extraction technology. Founded in 2015, the company develops innovative solutions that utilize ion-exchange theory to absorb lithium from brine deposits. This technology includes ion exchange beads and continuous brine processing systems, which enable lithium producers to enhance project development, increase lithium recovery, and optimize operations. Lilac Solutions aims to support industries such as electric vehicles and renewable energy storage by providing methods that reduce both costs and environmental impact associated with lithium production.

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.

NitroVolt decarbonizes nitrogen-based fertilizer production for agriculture. Its patented Nitrolyzer unit produces ammonia on-demand using air, water, and renewable electricity at farms, reducing emissions and logistics costs.

MacroCycle Technologies is a company developing a chemical recycling process to convert polyethylene terephthalate (PET) and polyester-fiber waste into virgin-grade plastics. Their proprietary technology, based on synthesizing cyclic macromolecules, enables the production of recycled PET with lower energy use than traditional methods. This process offers a sustainable, zero-carbon, and cost-competitive solution for plastic upcycling, contributing to a circular economy.

Founded in 2017, ZeroAvia develops zero-emission aircraft propulsion systems designed to eliminate aviation emissions while maintaining operational efficiency. The company focuses on scalable hydrogen-electric technologies that can retrofit existing aircraft and support sustainable aviation.

Boston Metal is a metallurgy company specializing in reducing the carbon footprint of steel production. It offers industrial-scale solutions using its Molten Oxide Electrolysis (MOE) process, enabling greener and more efficient metal production.

Rondo Energy is a company focused on providing zero-carbon industrial heat solutions. Its innovative Rondo Heat Battery captures low-cost renewable electricity and converts it into continuous high-temperature heat, allowing industrial processes to operate with reduced energy costs and eliminated emissions. By enabling clients to transition to renewable energy sources, Rondo Energy supports the decarbonization of industrial operations, contributing to a more sustainable 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.

Dioxycle develops electrolyser solutions that convert captured carbon dioxide into valuable chemical products. Its technology enables businesses to treat carbon dioxide as a resource, reducing reliance on fossil feedstocks and lowering industrial emissions.

Aeroseal is a company specializing in duct sealing technology that focuses on reducing carbon emissions from buildings. Its innovative approach involves using a non-toxic, water-based compound to seal gaps in the building envelope, air ducts, and vents. This technology not only enhances the comfort and health of residential and commercial spaces but also plays a significant role in promoting a cleaner environment. By effectively addressing air leakage, Aeroseal's solutions contribute to improved energy efficiency, making homes and workplaces more sustainable.

CarbonCure Technologies Inc. is a Canadian company that specializes in technology designed to sequester carbon dioxide (CO2) in concrete production. Founded in 2007 and headquartered in Dartmouth, Nova Scotia, the company provides a retrofit solution for existing concrete plants, allowing producers to incorporate waste CO2 from industrial emitters into their concrete products. During manufacturing, this CO2 is chemically converted into solid mineral carbonates, enhancing the strength of the concrete while reducing its carbon footprint. CarbonCure's innovative approach enables concrete manufacturers to produce green concrete without compromising quality or cost, thereby facilitating a shift towards sustainable building practices. The company also offers marketing and environmental reporting services to support its customers in the growing green building market. By licensing its technology at a low capital expenditure, CarbonCure generates a recurring revenue stream while contributing to the reduction of greenhouse gas emissions in the concrete industry.

KoBold Metals specializes in global mineral exploration for battery materials. It combines geological expertise with advanced data analytics and machine learning to identify prospective cobalt sources, supporting the electric vehicle revolution.

CubicPV is a solar manufacturing company that focuses on producing wafers and tandem modules using advanced silicon and perovskite technologies. The company develops innovative semiconductor combinations for tandem modules, which enhance energy harvesting by utilizing two different light absorbers, thus improving efficiency across a broader spectrum of sunlight. This technology aims to reduce the cost of solar electricity to be competitive with conventional energy sources, such as coal. By manufacturing silicon wafers directly from the silicon melt, CubicPV streamlines the production process, eliminating several steps and effectively doubling the yield. This approach not only lowers the cost of clean electricity but also minimizes the carbon footprint associated with solar panel production, supporting the growing global demand for sustainable energy solutions.

VEIR is a company focused on innovative electricity transmission solutions using high-temperature superconductors. It has developed a unique passive evaporative cryogenic cooling technology that significantly enhances cooling efficiency, delivering twenty times the cooling power per kilogram of nitrogen flow compared to traditional mechanical methods. By utilizing commercial superconducting tape, VEIR's technology enables power delivery at transmission levels without resistive losses. This advancement allows clients to streamline permitting processes and supports the economical establishment of electric transmission lines across distribution-scale infrastructure.

Founded in 2019 by renowned fusion scientists and business leaders, Type One Energy is dedicated to delivering sustainable and affordable fusion power globally. The company employs advanced manufacturing methods, computational physics, and high-field superconducting magnets to develop its optimized stellarator fusion energy system. Its FusionDirect program aims for a low-risk, efficient path to a fusion power plant within the next decade.

Windfall Bio is an innovative company based in San Mateo, California, that addresses climate change by transforming harmful methane emissions into organic fertilizer. Established in 2022, the company utilizes methane-eating microbes to capture methane from various sources, including agriculture, oil and gas, and waste management. This nature-based technology not only reduces the methane footprint of these industries but also improves their operational efficiency and profitability while minimizing the negative environmental impacts associated with synthetic fertilizers. By providing farmers and other producers with the means to convert methane into valuable soil nutrients, Windfall Bio fosters a sustainable agricultural future and contributes positively to environmental conservation. The company is backed by prominent venture capital firms, reflecting its potential to make a significant impact in the fight against climate change.

ClearFlame Engines, Inc. develops and manufactures innovative engines for heavy-duty applications, focusing on decarbonizing the industry by replacing traditional diesel engines. Established in 2016 and headquartered in Woodridge, Illinois, the company serves diverse markets, including marine, agriculture, transportation, power generation, rail, and construction. ClearFlame's patented technology allows heavy-duty engine manufacturers to produce engines that offer higher performance and lower operating costs, providing significant fuel cost savings for their customers. The company's mission is to address the environmental challenges posed by diesel fuel while enhancing engine efficiency and affordability.

Stratus Materials is a manufacturer specializing in the development of manganese-rich, cobalt-free cathode active materials for lithium-ion batteries. Their products aim to deliver superior performance, enhanced safety, reduced costs, and minimal environmental impact, catering primarily to businesses seeking advanced battery solutions for electric vehicles.

Rumin8 is addressing a critical environmental challenge by targeting methane emissions from livestock, which account for approximately 3.7% of global greenhouse gas emissions. The company has developed a groundbreaking technology that significantly reduces methane emissions from cattle by up to 95% by harnessing and transforming natural anti-methane compounds found in plants into dietary supplements for livestock. This innovation not only curtails methane production but also enhances the efficiency of the animals’ digestive systems, thereby providing them with more energy for growth. Rumin8's mission is to decarbonize millions of cattle worldwide, contributing to a more sustainable and climate-favorable food system to meet the dietary needs of a growing global population.

LuxWall is a building materials company that designs and manufactures vacuum-insulated glass, a transparent insulation material that reduces heating and cooling losses and improves building energy efficiency. Its vacuum-insulated glass supports energy standards for commercial and residential buildings and uses technology aimed at enabling greater thermal performance. Founded in 2020 and headquartered in Ypsilanti, Michigan, LuxWall seeks to advance sustainable construction and has indicated a potential to reduce global carbon emissions by more than 0.5 gigatonnes per year, highlighting its environmental impact.

Kodama Systems is a technology company focused on forest management, aiming to enhance forest resilience and carbon sequestration. Its innovative solutions streamline in-field operations through a comprehensive approach that improves productivity in forest thinning. The company's technology leverages simulation, teleoperation, and equipment integration to provide valuable feedback and insights. By addressing the challenges posed by wildfires and carbon emissions, Kodama Systems supports the construction and mining industries in their efforts to mitigate climate impacts while promoting sustainable forestry practices.

ArkeaBio focuses on developing innovative technology aimed at reducing greenhouse gas emissions within the agricultural sector. The company specializes in vaccine technology that targets methane-producing microbes in livestock, effectively neutralizing these microbes to cut methane emissions from various ruminant species. By employing proven delivery systems and sustainable farming practices, ArkeaBio's solutions are designed to be applicable across diverse geographical regions and agronomic systems. This approach not only helps in mitigating the environmental impact of livestock farming but also promotes a more sustainable agricultural industry.

Othersphere develops a SaaS platform that helps identify profitable and sustainable locations for deploying zero or low greenhouse gas industrial technologies. This enables companies to reduce their greenhouse gas emissions trajectories while gaining access to unique market insights.

RIFT is a startup on a mission towards a sustainable future that is powered by clean and renewable energy.

LanzaJet is a company dedicated to producing sustainable aviation fuels (SAF) aimed at reducing the environmental impact of the aviation industry. By utilizing innovative technology, LanzaJet converts non-recyclable waste into low-carbon fuels, providing a viable alternative to traditional fossil fuels. The company's mission aligns with the principles of the circular economy, as it seeks to accelerate the energy transition while enabling airlines to lower their carbon emissions. Through its commitment to cleaner fuel options, LanzaJet plays a significant role in addressing the challenges of greenhouse gas emissions in aviation.

Molten Industries specializes in developing clean technology aimed at decarbonizing the hydrogen market. Its innovative platform combines methane-splitting and electrolysis technologies, featuring integrated thermal control and modular design for low-emission performance. This enables various industrial sectors to access cleaner hydrogen inputs with reduced environmental impact and scalable deployment.

Electra is a company dedicated to revolutionizing iron and steel production by significantly reducing carbon dioxide emissions. It specializes in alternative steelmaking technology that employs innovative electrochemical and hydrometallurgical processes. By electrifying and decarbonizing the steelmaking process, Electra enables the production of low-carbon clean iron from various ores and renewable energy sources. This approach not only minimizes the environmental impact associated with traditional steel production but also helps companies lower energy intensity and costs, promoting sustainability within the industry.

Blue World Technologies is a developer and manufacturer of methanol fuel cell components and systems aimed at the automotive, heavy-duty transportation, and stationary application sectors globally. Founded on January 1, 2018, in Aalborg, Nordjylland, by Mads Friis Jensen, Mads Bang, and Anders Korsgaard, the company offers a green alternative to traditional combustion engines and diesel generators. Its innovative approach focuses on high-temperature PEM technology combined with methanol-reforming, providing energy-efficient and sustainable solutions. Blue World Technologies enables clients to establish development and manufacturing operations in strategic markets, optimizing the supply chain and enhancing customer proximity.

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.

Blue Frontier develops sustainable air conditioning technology with integrated energy storage. Founded in 2018 and based in Fort Lauderdale, Florida, the company aims to reduce energy consumption compared with conventional systems. Its technology supports HVAC-as-a-Service models and stores electricity, enabling operation during periods when renewable energy is abundant without compromising cooling service. The system uses less electricity than traditional air conditioners, contributing to lower utility costs and improved grid resilience for clients.

ReMo Energy is a company that specializes in the innovative manufacturing of industrial materials by utilizing renewable energy instead of fossil fuels. It focuses on developing distributed-scale green ammonia plants that produce nitrogen fertilizers from renewable electricity, air, and water. By employing predictive modeling and a novel approach to vegetation development, ReMo Energy effectively harnesses local renewable energy sources to create green chemicals. This approach addresses the challenges of food security and climate change while optimizing the use of distributed, intermittent renewable energy resources.

H2SITE develops on-site hydrogen production technology that enables compact systems for generating hydrogen at customer sites. The technology supports low-carbon hydrogen production and integrates production, transportation, and storage, making hydrogen transport more viable and helping unlock hydrogen markets. The company aims to help businesses reduce transportation costs and energy waste by providing efficient, on-site hydrogen solutions.

Founded in Auburn, Alabama in 2021, Fleetzero develops a fleet of electric cargo ships to decarbonize ocean freight. Its vessels offer lower operational costs and higher reliability than traditional fossil-fuel ships.

C-Zero is a Santa Barbara-based hard-tech startup developing technology to decarbonize natural gas. It uses high temperatures to split methane into hydrogen and solid carbon, enabling emission reduction in industries like ammonia production, electric generation, and fuel cell vehicles.

Turntide Technologies specializes in sustainable technologies that reduce energy consumption and operating costs in buildings, agriculture, and electric transport. It has developed an efficient electric motor system based on switched reluctance technology, managed by cloud software and connected to precise controls via IoT. The company aims to eliminate the roughly 25% of global electricity wasted by legacy motors, accelerating the transition from fossil fuels toward renewable energy. Founded in 2013 and headquartered in Sunnyvale, California, Turntide's solutions target improvements in space conditioning, maintenance, and refrigeration energy use.

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.

Mangrove Lithium is a Vancouver-based company that has developed a modular platform for producing battery-grade lithium hydroxide and carbonate efficiently from diverse input streams. Its scalable solution can be co-located with upstream producers or manufacturers, enabling cost-effective conversion of waste brines to chemicals and desalinated water.

Mission Zero develops air capture technology that removes carbon dioxide from the atmosphere and concentrates it for sequestration pathways. The system is designed to recover historic CO2 at any scale by pulling ambient air, dissolving the carbon in a water solvent, and releasing it as a gas through electrodialysis, enabling CO2 users, project developers, engineers, and scientists to convert historic carbon waste into climate value.

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.

Heirloom is a carbon capture company developing direct air capture technology that accelerates the natural absorption of carbon dioxide. Its approach uses a limestone-based process to increase CO2 uptake and stores the captured carbon permanently underground, powered by renewable energy. The company also applies carbon capture and utilization techniques to enhance natural CO2 removal. By offering a scalable, renewable-energy driven solution, Heirloom aims to help businesses meet sustainability goals with a cost-effective path to significant carbon removal.

KoBold Metals specializes in global mineral exploration for battery materials. It combines geological expertise with advanced data analytics and machine learning to identify prospective cobalt sources, supporting the electric vehicle revolution.

Rondo Energy is a company focused on providing zero-carbon industrial heat solutions. Its innovative Rondo Heat Battery captures low-cost renewable electricity and converts it into continuous high-temperature heat, allowing industrial processes to operate with reduced energy costs and eliminated emissions. By enabling clients to transition to renewable energy sources, Rondo Energy supports the decarbonization of industrial operations, contributing to a more sustainable future.

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.

Founded in 2021 and headquartered in Cary, North Carolina, Sustaera develops direct air capture technology. This innovative solution uses renewable energy to remove carbon dioxide directly from the air, offering scalable, low-cost systems for global clients aiming to restore the carbon balance.

Founded in 2017, ZeroAvia develops zero-emission aircraft propulsion systems designed to eliminate aviation emissions while maintaining operational efficiency. The company focuses on scalable hydrogen-electric technologies that can retrofit existing aircraft and support sustainable aviation.

Mangrove Lithium is a Vancouver-based company that has developed a modular platform for producing battery-grade lithium hydroxide and carbonate efficiently from diverse input streams. Its scalable solution can be co-located with upstream producers or manufacturers, enabling cost-effective conversion of waste brines to chemicals and desalinated water.

ClearFlame Engines, Inc. develops and manufactures innovative engines for heavy-duty applications, focusing on decarbonizing the industry by replacing traditional diesel engines. Established in 2016 and headquartered in Woodridge, Illinois, the company serves diverse markets, including marine, agriculture, transportation, power generation, rail, and construction. ClearFlame's patented technology allows heavy-duty engine manufacturers to produce engines that offer higher performance and lower operating costs, providing significant fuel cost savings for their customers. The company's mission is to address the environmental challenges posed by diesel fuel while enhancing engine efficiency and affordability.

Founded in 2011, ESS provides safe, cost-effective long-duration energy storage solutions for commercial & industrial applications, utilities, microgrids, and off-grid systems. Their patented iron-electrolyte flow cell design enables reliable clean energy integration.

Lilac Solutions, Inc. is a mining technology company based in Oakland, California, specializing in lithium extraction technology. Founded in 2015, the company develops innovative solutions that utilize ion-exchange theory to absorb lithium from brine deposits. This technology includes ion exchange beads and continuous brine processing systems, which enable lithium producers to enhance project development, increase lithium recovery, and optimize operations. Lilac Solutions aims to support industries such as electric vehicles and renewable energy storage by providing methods that reduce both costs and environmental impact associated with lithium production.

LuxWall is a building materials company that designs and manufactures vacuum-insulated glass, a transparent insulation material that reduces heating and cooling losses and improves building energy efficiency. Its vacuum-insulated glass supports energy standards for commercial and residential buildings and uses technology aimed at enabling greater thermal performance. Founded in 2020 and headquartered in Ypsilanti, Michigan, LuxWall seeks to advance sustainable construction and has indicated a potential to reduce global carbon emissions by more than 0.5 gigatonnes per year, highlighting its environmental impact.

M2X Energy is a technology company that offers automated systems for converting methane into valuable products. Its innovative, non-catalytic partial-oxidation reformer can process various feedstocks like landfill gas and biogas, helping businesses reduce greenhouse gas emissions by minimizing waste.

44.01 specializes in CO2 removal from the atmosphere by accelerating the natural weathering process in peridotite rocks, converting captured CO2 into stable minerals.

Founded in 2005, Natel Energy designs, builds, and sells restoration hydro turbines for generating renewable electricity from moving water across drops. Its turbines can be installed in various settings, including retrofit of existing turbines, non-power dams, irrigation canals, and new stream reach developments. The company also offers digital services like HydroForecast, which uses satellite imagery and machine learning for hydrologic modeling and power generation forecasting.

Founded in 2012, 75F specializes in IoT-based building automation systems for commercial spaces. Its products include smart sensors, thermostats, and a central control unit, enabling real-time data collection and dynamic adjustments to HVAC performance based on occupancy and environmental changes. This results in improved indoor comfort, energy savings, and reduced operational costs.

Turntide Technologies specializes in sustainable technologies that reduce energy consumption and operating costs in buildings, agriculture, and electric transport. It has developed an efficient electric motor system based on switched reluctance technology, managed by cloud software and connected to precise controls via IoT. The company aims to eliminate the roughly 25% of global electricity wasted by legacy motors, accelerating the transition from fossil fuels toward renewable energy. Founded in 2013 and headquartered in Sunnyvale, California, Turntide's solutions target improvements in space conditioning, maintenance, and refrigeration energy use.

Founded in 2017, ZeroAvia develops zero-emission aircraft propulsion systems designed to eliminate aviation emissions while maintaining operational efficiency. The company focuses on scalable hydrogen-electric technologies that can retrofit existing aircraft and support sustainable aviation.

CubicPV is a solar manufacturing company that focuses on producing wafers and tandem modules using advanced silicon and perovskite technologies. The company develops innovative semiconductor combinations for tandem modules, which enhance energy harvesting by utilizing two different light absorbers, thus improving efficiency across a broader spectrum of sunlight. This technology aims to reduce the cost of solar electricity to be competitive with conventional energy sources, such as coal. By manufacturing silicon wafers directly from the silicon melt, CubicPV streamlines the production process, eliminating several steps and effectively doubling the yield. This approach not only lowers the cost of clean electricity but also minimizes the carbon footprint associated with solar panel production, supporting the growing global demand for sustainable energy solutions.

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.

Aeroseal is a company specializing in duct sealing technology that focuses on reducing carbon emissions from buildings. Its innovative approach involves using a non-toxic, water-based compound to seal gaps in the building envelope, air ducts, and vents. This technology not only enhances the comfort and health of residential and commercial spaces but also plays a significant role in promoting a cleaner environment. By effectively addressing air leakage, Aeroseal's solutions contribute to improved energy efficiency, making homes and workplaces more sustainable.

Heirloom is a carbon capture company developing direct air capture technology that accelerates the natural absorption of carbon dioxide. Its approach uses a limestone-based process to increase CO2 uptake and stores the captured carbon permanently underground, powered by renewable energy. The company also applies carbon capture and utilization techniques to enhance natural CO2 removal. By offering a scalable, renewable-energy driven solution, Heirloom aims to help businesses meet sustainability goals with a cost-effective path to significant carbon removal.

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.

Founded in 2017, ZeroAvia develops zero-emission aircraft propulsion systems designed to eliminate aviation emissions while maintaining operational efficiency. The company focuses on scalable hydrogen-electric technologies that can retrofit existing aircraft and support sustainable aviation.

VEIR is a company focused on innovative electricity transmission solutions using high-temperature superconductors. It has developed a unique passive evaporative cryogenic cooling technology that significantly enhances cooling efficiency, delivering twenty times the cooling power per kilogram of nitrogen flow compared to traditional mechanical methods. By utilizing commercial superconducting tape, VEIR's technology enables power delivery at transmission levels without resistive losses. This advancement allows clients to streamline permitting processes and supports the economical establishment of electric transmission lines across distribution-scale infrastructure.

Turntide Technologies specializes in sustainable technologies that reduce energy consumption and operating costs in buildings, agriculture, and electric transport. It has developed an efficient electric motor system based on switched reluctance technology, managed by cloud software and connected to precise controls via IoT. The company aims to eliminate the roughly 25% of global electricity wasted by legacy motors, accelerating the transition from fossil fuels toward renewable energy. Founded in 2013 and headquartered in Sunnyvale, California, Turntide's solutions target improvements in space conditioning, maintenance, and refrigeration energy use.

Bloom Biorenewables Ltd is a Swiss company established in 2019, specializing in the development of innovative technologies that convert wood and agricultural waste into renewable materials as substitutes for petroleum-based products. The company focuses on producing bio-based materials for various sectors, including fragrances, plastics, and textiles, thereby offering sustainable alternatives to fossil fuels. By introducing a novel approach to the production of biorenewable products and fuels, Bloom Biorenewables aims to make a significant impact in promoting the use of sustainable resources and addressing climate change challenges.

Blip Energy develops smart battery systems designed to mitigate peak demand on the power grid. Their plug-and-play hardware optimizes energy costs for users while reducing operational expenses for utilities, with no permitting or installation barriers.

C-Zero is a Santa Barbara-based hard-tech startup developing technology to decarbonize natural gas. It uses high temperatures to split methane into hydrogen and solid carbon, enabling emission reduction in industries like ammonia production, electric generation, and fuel cell vehicles.

Boston Metal is a metallurgy company specializing in reducing the carbon footprint of steel production. It offers industrial-scale solutions using its Molten Oxide Electrolysis (MOE) process, enabling greener and more efficient metal production.

Founded in 2017, ZeroAvia develops zero-emission aircraft propulsion systems designed to eliminate aviation emissions while maintaining operational efficiency. The company focuses on scalable hydrogen-electric technologies that can retrofit existing aircraft and support sustainable aviation.

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.

CarbonCure Technologies Inc. is a Canadian company that specializes in technology designed to sequester carbon dioxide (CO2) in concrete production. Founded in 2007 and headquartered in Dartmouth, Nova Scotia, the company provides a retrofit solution for existing concrete plants, allowing producers to incorporate waste CO2 from industrial emitters into their concrete products. During manufacturing, this CO2 is chemically converted into solid mineral carbonates, enhancing the strength of the concrete while reducing its carbon footprint. CarbonCure's innovative approach enables concrete manufacturers to produce green concrete without compromising quality or cost, thereby facilitating a shift towards sustainable building practices. The company also offers marketing and environmental reporting services to support its customers in the growing green building market. By licensing its technology at a low capital expenditure, CarbonCure generates a recurring revenue stream while contributing to the reduction of greenhouse gas emissions in the concrete industry.

Boston Materials designs and manufactures advanced composite materials, including carbon fiber pre-pregs enabled by its patented Z-axis Fiber technology, which uses vertically aligned carbon fibers to improve energy transfer. The company produces magnetically assembled carbon fiber pre-pregs and other specialty materials for semiconductors, aerospace platforms, and thermal management, delivering lightweight, high-performance solutions for electronics, aviation, electrified vehicles, and related industries. Its processes include roll-to-roll manufacturing with in-line quality control to support scalable production and consistent quality across applications.

Founded in 2013, Quidnet Energy develops grid-scale energy storage systems using a unique hydroelectric technology. The company stores excess renewable energy by pumping water under pressure into underground geological reservoirs and releases it to drive hydroelectric turbines when needed. This process enables seamless integration with existing electricity-generating facilities at a lower cost than lithium-ion batteries.

Enverid Systems, Inc. is a company that specializes in developing and manufacturing solutions for indoor air quality and energy efficiency in buildings globally. The company offers HVAC load reduction modules designed to eliminate molecular contaminants such as carbon dioxide, volatile organic compounds, and formaldehyde from indoor air. Enverid's technology includes automated regeneration and outside air management, enhancing indoor air treatment. Additionally, the company provides sorbent cartridges that capture various pollutants, including ozone and aldehydes. Its products cater to a wide range of applications in settings such as schools, hospitals, residences, and transportation. Founded in 2010 and headquartered in Westwood, Massachusetts, Enverid Systems also has offices in Boston, Houston, Tampa, and Shanghai. It operates as a subsidiary of Tadiran Holdings Ltd.

Founded in 2005, Natel Energy designs, builds, and sells restoration hydro turbines for generating renewable electricity from moving water across drops. Its turbines can be installed in various settings, including retrofit of existing turbines, non-power dams, irrigation canals, and new stream reach developments. The company also offers digital services like HydroForecast, which uses satellite imagery and machine learning for hydrologic modeling and power generation forecasting.

C16 Biosciences develops palm oil alternatives through microbial fermentation, producing high-performance lipids and oils to replace palm-derived ingredients in food, beauty, and consumer products. Using its fermentation platform, the company aims to deliver sustainable ingredients without conventional palm oil supply chains, reducing environmental impact. It markets Palmless, a platform for sustainable ingredients, and has introduced Torula oil, a bioactive oil with reported benefits for skin and hair health. Founded in 2017 and based in New York, C16 Biosciences serves food manufacturers, refiners, traders, and brands by providing reliable, environmentally friendly ingredients across beauty, personal care, home care, and food markets.