Breakthrough Energy Ventures

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.

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.

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.

AirLoom Energy develops wind energy technology that uses lightweight wings operating on a track to capture wind. The design aims to deliver the same amount of energy as conventional turbines at a fraction of the cost, enabling low-cost utility-scale wind energy. The system uses multiple small airframes on a slender oval track with downwind forces supported by a bridling system, and the configuration can be adjusted depending on the landscape, allowing clients to harvest wind energy in cost-effective and quicker ways.

Dandelion Energy, Inc. is a Palo Alto, California-based company founded in 2017 that specializes in affordable geothermal heating and cooling solutions. The company replaces traditional air conditioning and heating systems with an innovative home geothermal system that utilizes a powerful heat pump and underground pipes to transfer heat between the earth and the residence. This system is designed to harness thermal energy from below the earth's surface to regulate indoor temperatures and provide hot water, allowing homeowners to transition from conventional heating fuels to a more sustainable geothermal alternative. Dandelion Energy is committed to making renewable heating and cooling accessible and cost-effective for homeowners.

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.

TS Conductor specializes in advanced electrical transmission conductors. Utilizing a carbon-fiber-composite core instead of steel, their products are lighter, stronger, and more efficient, carrying higher current with reduced energy loss.

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.

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.

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.

Malta is a developer of industrial-grade, grid-scale electro-thermal energy storage technology. The system captures energy from wind, solar, and fossil generators, converts electrical energy into thermal energy by creating a temperature difference, stores heat in molten salt, and reconverts it to electricity with a heat engine to be dispatched to the grid when needed. The technology enables long-duration energy storage, helping mitigate wind and solar curtailment and improve the matching of generation and demand, addressing bottlenecks in distribution and transmission and supporting affordable, reliable electricity on demand. Founded in 2018 and based in Cambridge, Massachusetts, Malta's solution targets grid operators and energy players seeking to balance supply and demand with grid-scale storage.

AirLoom Energy develops wind energy technology that uses lightweight wings operating on a track to capture wind. The design aims to deliver the same amount of energy as conventional turbines at a fraction of the cost, enabling low-cost utility-scale wind energy. The system uses multiple small airframes on a slender oval track with downwind forces supported by a bridling system, and the configuration can be adjusted depending on the landscape, allowing clients to harvest wind energy in cost-effective and quicker ways.

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.

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.

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.

Xcel Energy is a leading electric and natural gas utility company serving approximately 6 million customers across eight states. It generates power through diverse sources including coal, nuclear, natural gas, hydro, solar, wind, and biomass. The company is committed to reducing carbon emissions and aims to supply more than half of its electricity from renewable sources by 2030.

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.

PeakSyncer, a subsidiary of Zhong Xi Group, LLC, specializes in an AI-powered cloud platform designed to optimize energy management for utility companies. The platform leverages artificial intelligence to automate and streamline demand response programs, reducing peak energy loads. It offers real-time reporting, seamless data tracking, and integration with existing infrastructure, ensuring smooth implementation. PeakSyncer also facilitates compliance with regulatory requirements and supports sustainable energy ecosystems by engaging customers in demand response initiatives. The platform is scalable, continuously learning from past syncs to improve accuracy and efficiency, and offers 24/7 monitoring and dedicated support.

Dandelion Energy, Inc. is a Palo Alto, California-based company founded in 2017 that specializes in affordable geothermal heating and cooling solutions. The company replaces traditional air conditioning and heating systems with an innovative home geothermal system that utilizes a powerful heat pump and underground pipes to transfer heat between the earth and the residence. This system is designed to harness thermal energy from below the earth's surface to regulate indoor temperatures and provide hot water, allowing homeowners to transition from conventional heating fuels to a more sustainable geothermal alternative. Dandelion Energy is committed to making renewable heating and cooling accessible and cost-effective for homeowners.

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.

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.

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.

Our Next Energy is a developer and manufacturer of advanced energy storage technology, established in 2020 and headquartered in Novi, Michigan. The company specializes in innovative battery chemistries that prioritize safety and utilize sustainable raw materials, aiming to create a reliable and cost-effective supply chain. By employing a dual-chemistry design, Our Next Energy enhances energy density and safety, catering to mobility and grid storage applications. This approach enables original equipment manufacturers to meet market range expectations while promoting access to sustainable power solutions.

Antora Energy specializes in delivering reliable, zero-carbon industrial heat and power solutions to heavy industries. The company's core technology involves thermal energy storage that absorbs excess solar and wind electricity, converting it into usable heat for industrial processes.

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.

Founded in 2019, H2Pro develops innovative water-splitting technology for producing hydrogen fuel. Its proprietary E-TAC method decouples hydrogen and oxygen evolution reactions, enabling efficient and sustainable green hydrogen 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.

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.

TS Conductor specializes in advanced electrical transmission conductors. Utilizing a carbon-fiber-composite core instead of steel, their products are lighter, stronger, and more efficient, carrying higher current with reduced energy loss.

Our Next Energy is a developer and manufacturer of advanced energy storage technology, established in 2020 and headquartered in Novi, Michigan. The company specializes in innovative battery chemistries that prioritize safety and utilize sustainable raw materials, aiming to create a reliable and cost-effective supply chain. By employing a dual-chemistry design, Our Next Energy enhances energy density and safety, catering to mobility and grid storage applications. This approach enables original equipment manufacturers to meet market range expectations while promoting access to sustainable power solutions.

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.

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.

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.

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

Founded in 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.

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.

Malta is a developer of industrial-grade, grid-scale electro-thermal energy storage technology. The system captures energy from wind, solar, and fossil generators, converts electrical energy into thermal energy by creating a temperature difference, stores heat in molten salt, and reconverts it to electricity with a heat engine to be dispatched to the grid when needed. The technology enables long-duration energy storage, helping mitigate wind and solar curtailment and improve the matching of generation and demand, addressing bottlenecks in distribution and transmission and supporting affordable, reliable electricity on demand. Founded in 2018 and based in Cambridge, Massachusetts, Malta's solution targets grid operators and energy players seeking to balance supply and demand with grid-scale storage.

Dandelion Energy, Inc. is a Palo Alto, California-based company founded in 2017 that specializes in affordable geothermal heating and cooling solutions. The company replaces traditional air conditioning and heating systems with an innovative home geothermal system that utilizes a powerful heat pump and underground pipes to transfer heat between the earth and the residence. This system is designed to harness thermal energy from below the earth's surface to regulate indoor temperatures and provide hot water, allowing homeowners to transition from conventional heating fuels to a more sustainable geothermal alternative. Dandelion Energy is committed to making renewable heating and cooling accessible and cost-effective for homeowners.

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.

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.

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.

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 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.

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.

Malta is a developer of industrial-grade, grid-scale electro-thermal energy storage technology. The system captures energy from wind, solar, and fossil generators, converts electrical energy into thermal energy by creating a temperature difference, stores heat in molten salt, and reconverts it to electricity with a heat engine to be dispatched to the grid when needed. The technology enables long-duration energy storage, helping mitigate wind and solar curtailment and improve the matching of generation and demand, addressing bottlenecks in distribution and transmission and supporting affordable, reliable electricity on demand. Founded in 2018 and based in Cambridge, Massachusetts, Malta's solution targets grid operators and energy players seeking to balance supply and demand with grid-scale storage.

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.