Breakthrough Energy is an impact investment firm based in Kirkland, Washington, established in 2016. The firm focuses on making minority investments in seed-stage, early-stage, and later-stage companies within the environmental services and cleantech sectors. Guided by scientific and technological expertise, Breakthrough Energy aims to support the development of innovative solutions that provide reliable and affordable power while addressing climate change. The firm is committed to investing patiently in transformative technologies that enhance the way people live, eat, travel, and build, ensuring that these advancements do not contribute to global warming.
Investment Principal and Company Builder, Breakthrough Energy Ventures
Jim Cabot
Managing Director, Breakthrough Energy Ventures
Priscilla Chan MD
Co-Founder, Breakthrough Energy Coalition
Quinn Cornelius
Senior Director, Strategic Investments
Christian Garcia
Managing Director and Partner, Breakthrough Energy Ventures
William Gates Jr.
Co-Founder, Breakthrough Energy Coalition and Investor
Christina Karapataki
Partner, Breakthrough Energy Ventures
Sila Kiliccote
Partner, Breakthrough Energy Ventures
Allegra Kowalewski-Ferreira
Partner, Breakthrough Energy Ventures
Phil Larochell
Principal
Phil Larochelle Ph.D
Partner, Breakthrough Energy Ventures
Jack Ma
Founder and Investor
Brian Mayers Ph.D
Partner, Breakthrough Energy Ventures
Christopher Poirier
Partner, Breakthrough Energy Ventures
Juilia Reinaud
Senior Director
Cooper Rinzler Ph.D
Partner, Breakthrough Energy Ventures
Christopher Rivest
Partner, Breakthrough Energy Ventures
Eric Toone
Executive Managing Director
Libby Wayman
Partner, Breakthrough Energy Ventures
Stefan Zlatev
Partner, Breakthrough Energy Ventures
Julia Reinaud Ph.D
Senior Director, Europe
Past deals in Energy Storage
Mangrove Lithium
Venture Round in 2025
Mangrove Lithium, based in Vancouver, has developed a modular and scalable refining technology for the efficient production of battery-grade lithium hydroxide and carbonate from a variety of input streams. This innovative platform allows for the direct conversion of lithium chloride and lithium sulfate into high-quality lithium products. The technology can be adapted to different capacities and is designed to be co-located with upstream lithium producers, as well as cathode and cell manufacturers. Additionally, Mangrove’s platform is being commercialized for the conversion of waste brines into valuable chemicals and desalinated water, contributing to more sustainable practices in the lithium supply chain.
ZeroAvia
Series C in 2024
ZeroAvia, Inc. is a company focused on developing zero-emission aircraft for commercial short-haul flights. Established in 2017 and headquartered in Hollister, California, with an office in Cranfield, United Kingdom, ZeroAvia specializes in hydrogen-electric propulsion systems. These systems are designed to eliminate aviation emissions while ensuring operational efficiency. The company aims to provide scalable technologies that can retrofit existing aircraft, thereby facilitating a transition to sustainable aviation. By collaborating with various stakeholders, ZeroAvia seeks to revolutionize the aviation industry through cleaner and more efficient flight options. Their powertrain utilizes a hydrogen fuel-cell system in limited-seat fixed-wing aircraft, which not only reduces emissions but also allows for the use of existing infrastructure, thus simplifying regulatory challenges and lowering both fuel and maintenance costs for aviation companies.
TS Conductor
Venture Round in 2024
TS Conductor focuses on high-performance conductors designed for modern power grids, utilizing innovative transmission technology that features a carbon-fiber-composite core instead of traditional steel. This advancement results in conductors that are both lighter and stronger, enabling them to carry greater electrical currents with reduced energy loss and enhanced efficiency. The company manufactures covered conductors with an aluminum encapsulation, which safeguards the composite core from damage and corrosion. This design not only increases the capacity and reliability of electricity transmission and distribution but also promotes sustainability within the energy sector in a cost-effective manner.
Mission Zero Technologies
Series A in 2024
Mission Zero specializes in developing direct air capture technology that effectively removes carbon dioxide from the atmosphere and concentrates it for various sequestration pathways. The company's innovative system allows for the efficient recovery of historic carbon dioxide at any scale. By utilizing a process that involves pulling air into a device and dissolving the carbon in a water solvent, Mission Zero can release the carbon as gas through electrodialysis. This technology not only facilitates the production of low-energy and clean carbon dioxide but also aims to provide affordable carbon capture services, contributing to an environment with reduced air pollution.
Fourth Power
Series A in 2023
Fourth Power is an energy storage startup that specializes in thermal battery technology. The company focuses on utility-scale thermal storage, which converts wasted wind and solar energy into an on-demand power source. Its modular storage system is designed to meet immediate energy needs while also adapting to future renewable energy deployment. This flexibility enables clients to provide grid operators with control over the timing and usage of stored energy, facilitating the transition towards a fully decarbonized energy infrastructure. Fourth Power's solutions aim to enhance grid reliability by offering both short-duration and long-duration energy storage options.
Malta
Venture Round in 2023
Malta is a provider of industrial-grade, grid-scale energy storage solutions. The Malta system collects and stores inexpensive and abundant renewable and fossil energy, and dispatches it as needed to the grid to enable the affordable and reliable delivery of electricity on demand. Incubated at X, the Moonshot Factory (formerly Google [x]), and funded by leading venture capital and commercial power industry companies
ZeroAvia
Series C in 2023
ZeroAvia, Inc. is a company focused on developing zero-emission aircraft for commercial short-haul flights. Established in 2017 and headquartered in Hollister, California, with an office in Cranfield, United Kingdom, ZeroAvia specializes in hydrogen-electric propulsion systems. These systems are designed to eliminate aviation emissions while ensuring operational efficiency. The company aims to provide scalable technologies that can retrofit existing aircraft, thereby facilitating a transition to sustainable aviation. By collaborating with various stakeholders, ZeroAvia seeks to revolutionize the aviation industry through cleaner and more efficient flight options. Their powertrain utilizes a hydrogen fuel-cell system in limited-seat fixed-wing aircraft, which not only reduces emissions but also allows for the use of existing infrastructure, thus simplifying regulatory challenges and lowering both fuel and maintenance costs for aviation companies.
VEIR
Series A in 2023
VEIR is a company developing a new approach to using high-temperature superconductors for electricity transmission. Its passive evaporative cryogenic cooling delivers 20 times the cooling power per kilogram of nitrogen flow compared to mechanical subcooling.
Xcel Energy
Grant in 2023
Xcel Energy is an electric and natural gas utility company based in Minneapolis, Minnesota, founded in 1909. It serves approximately 3.8 million electric customers and 2.2 million natural gas customers across eight states. The company is involved in the generation, transmission, distribution, and sale of electricity, utilizing a diverse mix of energy sources including coal, nuclear, natural gas, hydro, solar, biomass, oil, and wind. Xcel Energy is recognized as one of the largest suppliers of renewable energy in the United States, with over half of its electricity sales derived from carbon-free sources. Its operations are organized into five segments: electricity, natural gas, renewable energy, transmission, and innovation, which also includes the development and leasing of natural gas pipelines and related facilities.
Stratus Materials
Series A in 2023
Stratus Materials is a developer and manufacturer of advanced cathode active materials specifically designed for lithium-ion batteries. The company specializes in manganese-rich, cobalt-free materials, which provide a favorable balance of performance, safety, cost-effectiveness, and environmental sustainability. By focusing on these innovative materials, Stratus Materials aims to enhance the performance of electric vehicle batteries and support the growing demand for efficient energy storage solutions.
Electra
Venture Round in 2022
Electra is dedicated to reducing carbon dioxide emissions in the iron and steel production industry through innovative electrochemical and hydrometallurgical processes. The company has developed alternative steelmaking technology that aims to electrify and decarbonize the production process, allowing for the creation of low-carbon clean iron from various ores. By utilizing renewable energy sources, Electra enables steel producers to lower energy intensity and costs, contributing to a more sustainable approach to steelmaking.
Blue World Technologies
Series B in 2022
Blue World Technologies is a developer and manufacturer specializing in methanol fuel cell components and systems aimed at the automotive, heavy-duty transportation, and stationary application sectors. Founded in Aalborg, Nordjylland in 2018 by Mads Friis Jensen, Mads Bang, and Anders Korsgaard, the company focuses on providing energy-efficient and sustainable alternatives to traditional combustion engines and diesel generators. By utilizing high-temperature PEM technology combined with methanol reforming, Blue World Technologies enables its clients to establish development and manufacturing operations in strategic markets, thereby optimizing supply chains and enhancing customer proximity. The company is committed to advancing methanol fuel cell technology on a global scale.
Blue Frontier
Series A in 2022
Blue Frontier, founded in 2018 and based in Fort Lauderdale, Florida, focuses on innovative air conditioning systems that prioritize sustainability, comfort, and energy efficiency. The company has developed technology that significantly reduces energy consumption compared to traditional air conditioning systems. By integrating energy storage capabilities, Blue Frontier's air conditioners can optimize electricity usage, drawing power during periods of high renewable energy availability without compromising cooling performance. This approach allows customers to benefit from reduced energy bills and supports new HVAC-as-a-Service business models. The systems are designed to require less than half the electricity of conventional air conditioners, contributing to overall energy savings and a reduced environmental impact.
ReMo Energy
Seed Round in 2022
ReMo Energy is a manufacturer that specializes in industrial materials, focusing on the development of distributed scale green ammonia plants. These facilities produce nitrogen fertilizers using renewable electricity, air, and water, thereby replacing traditional fossil fuel methods. Employing predictive modeling and innovative vegetation development techniques, ReMo Energy harnesses local renewable energy sources to create green chemicals. This approach not only addresses the ammonia market's challenges related to food security and climate change but also optimizes the utilization of intermittent renewable energy resources.
H2SITE
Series A in 2022
H2SITE is a company focused on developing renewable technologies for on-site hydrogen production. Its innovative systems and membranes are designed to facilitate high efficiency and purity in hydrogen generation, particularly for applications such as separation and ammonia cracking. H2SITE's compact technology not only optimizes the production of low-carbon hydrogen but also enhances the viability of hydrogen transport, thereby unlocking opportunities in the global hydrogen market. By enabling businesses to produce hydrogen on-site, H2SITE helps reduce transportation costs and minimizes energy waste, positioning itself as a key player in the transition to sustainable energy solutions.
FleetZero
Venture Round in 2022
Fleetzero, established in 2021 in Auburn, Alabama, is focused on developing a fleet of battery-electric cargo ships aimed at decarbonizing ocean freight. The company designs zero-emission vessels that can be constructed affordably in domestic shipyards, allowing operations in regulated markets where local shipbuilding is required. These electric ships promise lower operational costs and improved reliability compared to traditional fossil-fuel vessels, providing clients with an efficient and sustainable alternative for marine transportation. By facilitating significant reductions in fuel, maintenance, and crew expenses, Fleetzero seeks to transform the freight industry while adhering to environmental standards.
C-Zero
Venture Round in 2022
C-Zero is a hard-tech startup based in Santa Barbara, California, focused on developing innovative technology to decarbonize natural gas. The company utilizes high-temperature catalytic systems to decompose methane, the main component of natural gas, into hydrogen and solid carbon. This process aims to eliminate carbon dioxide emissions associated with energy production. C-Zero's hydrogen can be applied across various industries, including ammonia production, electric generation, process heating, and fuel cell vehicles, potentially addressing up to 75% of global CO2 emissions. By providing a solution for energy companies to reduce their emissions while maintaining low-cost energy availability, C-Zero is positioned to make a significant impact on climate change and energy sustainability.
Turntide
Venture Round in 2022
Turntide focuses on advancing sustainable technologies aimed at reducing energy consumption and operational costs across various sectors, including buildings, agriculture, and electric transport. Founded in 2013 and based in Sunnyvale, California, the company has created an innovative electric motor system that utilizes switched reluctance technology, managed through sophisticated cloud software. This system is designed to address the significant energy waste associated with traditional electric motors, which account for a substantial portion of global electricity consumption. By integrating Internet of Things (IoT) capabilities, Turntide's solutions enable clients to achieve significant savings in energy costs related to space conditioning, maintenance, and refrigeration, thereby promoting a transition to 100% renewable energy and reducing reliance on fossil fuels.
Mangrove Lithium
Series B in 2022
Mangrove Lithium, based in Vancouver, has developed a modular and scalable refining technology for the efficient production of battery-grade lithium hydroxide and carbonate from a variety of input streams. This innovative platform allows for the direct conversion of lithium chloride and lithium sulfate into high-quality lithium products. The technology can be adapted to different capacities and is designed to be co-located with upstream lithium producers, as well as cathode and cell manufacturers. Additionally, Mangrove’s platform is being commercialized for the conversion of waste brines into valuable chemicals and desalinated water, contributing to more sustainable practices in the lithium supply chain.
Mission Zero Technologies
Seed Round in 2022
Mission Zero specializes in developing direct air capture technology that effectively removes carbon dioxide from the atmosphere and concentrates it for various sequestration pathways. The company's innovative system allows for the efficient recovery of historic carbon dioxide at any scale. By utilizing a process that involves pulling air into a device and dissolving the carbon in a water solvent, Mission Zero can release the carbon as gas through electrodialysis. This technology not only facilitates the production of low-energy and clean carbon dioxide but also aims to provide affordable carbon capture services, contributing to an environment with reduced air pollution.
Our Next Energy
Series A in 2022
Our Next Energy is a Michigan-based company founded in 2020 that specializes in developing energy storage technology aimed at enhancing access to sustainable power. The company focuses on safer battery chemistries utilizing sustainable raw materials, while ensuring a reliable, low-cost, and conflict-free supply chain. It aims to improve energy density and safety in battery technology, catering to mobility and grid storage applications. By employing a dual-chemistry design, Our Next Energy provides innovative power solutions that enable original equipment manufacturers to meet market range expectations effectively.
Antora Energy
Series A in 2022
Antora Energy specializes in providing zero-carbon industrial heat and power solutions for heavy industries, aiming to replace fossil fuels with cleaner alternatives. The company has developed innovative thermal batteries that utilize excess electricity generated from solar and wind sources. These batteries store thermal energy by heating blocks of carbon, which can then be used to produce reliable power and heat. By integrating renewable resources into the electricity grid, Antora enables industries to achieve sustainable and dependable energy solutions while significantly reducing carbon emissions.
H2Pro
Series B in 2022
H2Pro, Ltd. is a renewable energy company based in Caesarea, Israel, founded in 2019. The company specializes in developing innovative water-splitting technology aimed at producing hydrogen fuel efficiently. Its proprietary method, known as E-TAC (Electrochemical–Thermally-Activated Chemical water splitting), effectively decouples the hydrogen and oxygen evolution reactions, allowing for the generation of hydrogen and oxygen in separate phases. This technology is designed to facilitate the widespread adoption of sustainable hydrogen fuel by providing an efficient, affordable, safe, and environmentally friendly means of hydrogen production.
ZeroAvia
Series B in 2021
ZeroAvia, Inc. is a company focused on developing zero-emission aircraft for commercial short-haul flights. Established in 2017 and headquartered in Hollister, California, with an office in Cranfield, United Kingdom, ZeroAvia specializes in hydrogen-electric propulsion systems. These systems are designed to eliminate aviation emissions while ensuring operational efficiency. The company aims to provide scalable technologies that can retrofit existing aircraft, thereby facilitating a transition to sustainable aviation. By collaborating with various stakeholders, ZeroAvia seeks to revolutionize the aviation industry through cleaner and more efficient flight options. Their powertrain utilizes a hydrogen fuel-cell system in limited-seat fixed-wing aircraft, which not only reduces emissions but also allows for the use of existing infrastructure, thus simplifying regulatory challenges and lowering both fuel and maintenance costs for aviation companies.
Mangrove Lithium
Series A in 2021
Mangrove Lithium, based in Vancouver, has developed a modular and scalable refining technology for the efficient production of battery-grade lithium hydroxide and carbonate from a variety of input streams. This innovative platform allows for the direct conversion of lithium chloride and lithium sulfate into high-quality lithium products. The technology can be adapted to different capacities and is designed to be co-located with upstream lithium producers, as well as cathode and cell manufacturers. Additionally, Mangrove’s platform is being commercialized for the conversion of waste brines into valuable chemicals and desalinated water, contributing to more sustainable practices in the lithium supply chain.
TS Conductor
Series A in 2021
TS Conductor focuses on high-performance conductors designed for modern power grids, utilizing innovative transmission technology that features a carbon-fiber-composite core instead of traditional steel. This advancement results in conductors that are both lighter and stronger, enabling them to carry greater electrical currents with reduced energy loss and enhanced efficiency. The company manufactures covered conductors with an aluminum encapsulation, which safeguards the composite core from damage and corrosion. This design not only increases the capacity and reliability of electricity transmission and distribution but also promotes sustainability within the energy sector in a cost-effective manner.
ESS
Post in 2021
ESS is a long-duration energy storage company that specializes in iron flow battery technology, providing solutions for commercial, industrial, utility, microgrid, and off-grid applications. Established in 2011, ESS aims to support a future powered by clean and reliable energy. The company utilizes an innovative energy management system that features a safe and non-toxic iron-electrolyte combined with a patented flow cell design. This approach allows ESS to deliver high-performance energy storage at a lower cost, making its technology suitable for a wide range of applications from retail energy management to utility-scale renewable energy integration. With a team experienced in distributed power generation and energy storage technologies, ESS is well-positioned to contribute to the growing demand for sustainable energy solutions.
Natel Energy
Series B in 2021
Natel Energy, Inc. develops and sells restoration hydro turbines (RHTs) designed for low head settings to generate renewable electricity from various water sources, including existing low dams, irrigation canals, and streams. These turbines can be installed in existing infrastructure, improving the efficiency of older units and ensuring compliance with environmental standards. The company also offers digital services that enhance operational efficiency and reduce risks for hydropower stakeholders, utilizing machine learning and remote sensing technologies. Additionally, Natel Energy provides HydroForecast, which employs satellite imagery and advanced modeling to deliver accurate hydrological forecasts. Founded in 2005 and based in Alameda, California, Natel Energy aims to support the transition to sustainable energy through innovative hydropower solutions that contribute to a low-carbon grid.
Turntide
Convertible Note in 2021
Turntide focuses on advancing sustainable technologies aimed at reducing energy consumption and operational costs across various sectors, including buildings, agriculture, and electric transport. Founded in 2013 and based in Sunnyvale, California, the company has created an innovative electric motor system that utilizes switched reluctance technology, managed through sophisticated cloud software. This system is designed to address the significant energy waste associated with traditional electric motors, which account for a substantial portion of global electricity consumption. By integrating Internet of Things (IoT) capabilities, Turntide's solutions enable clients to achieve significant savings in energy costs related to space conditioning, maintenance, and refrigeration, thereby promoting a transition to 100% renewable energy and reducing reliance on fossil fuels.
ZeroAvia
Venture Round in 2021
ZeroAvia, Inc. is a company focused on developing zero-emission aircraft for commercial short-haul flights. Established in 2017 and headquartered in Hollister, California, with an office in Cranfield, United Kingdom, ZeroAvia specializes in hydrogen-electric propulsion systems. These systems are designed to eliminate aviation emissions while ensuring operational efficiency. The company aims to provide scalable technologies that can retrofit existing aircraft, thereby facilitating a transition to sustainable aviation. By collaborating with various stakeholders, ZeroAvia seeks to revolutionize the aviation industry through cleaner and more efficient flight options. Their powertrain utilizes a hydrogen fuel-cell system in limited-seat fixed-wing aircraft, which not only reduces emissions but also allows for the use of existing infrastructure, thus simplifying regulatory challenges and lowering both fuel and maintenance costs for aviation companies.
Electric Hydrogen
Series A in 2021
Electric Hydrogen is a company focused on developing low-cost, high-efficiency, fossil-free hydrogen systems aimed at decarbonizing industrial sectors such as ammonia and steel production, which are significant contributors to global greenhouse gas emissions. By rethinking electrolysis, Electric Hydrogen seeks to make clean hydrogen competitive with traditional, fossil-fuel-based hydrogen in terms of cost and scalability. The company's advanced PEM technology utilizes low-cost renewable electricity to produce clean hydrogen gas, thereby helping industries reduce their reliance on fossil fuels and minimize pollution. With a leadership team experienced in transformative clean energy companies, Electric Hydrogen is positioned to address current challenges in efficiency and cost, contributing to the goal of a zero-emission industrial sector in the near future.
WeaveGrid
Series A in 2021
WeaveGrid is a company that focuses on facilitating the integration of electric vehicles (EV) with the electrical grid in collaboration with utilities and EV owners. Its software solution employs machine learning, optimization, and predictive analytics to address various challenges associated with EV-grid integration. By doing so, WeaveGrid enhances the ability of utilities to support the expansion of electric vehicles and the adoption of renewable energy resources. This approach not only promotes rapid decarbonization in the transportation and power sectors but also helps utility customers reduce their bills.
ZeroAvia
Series A in 2021
ZeroAvia, Inc. is a company focused on developing zero-emission aircraft for commercial short-haul flights. Established in 2017 and headquartered in Hollister, California, with an office in Cranfield, United Kingdom, ZeroAvia specializes in hydrogen-electric propulsion systems. These systems are designed to eliminate aviation emissions while ensuring operational efficiency. The company aims to provide scalable technologies that can retrofit existing aircraft, thereby facilitating a transition to sustainable aviation. By collaborating with various stakeholders, ZeroAvia seeks to revolutionize the aviation industry through cleaner and more efficient flight options. Their powertrain utilizes a hydrogen fuel-cell system in limited-seat fixed-wing aircraft, which not only reduces emissions but also allows for the use of existing infrastructure, thus simplifying regulatory challenges and lowering both fuel and maintenance costs for aviation companies.
VEIR
Series A in 2021
VEIR is a company developing a new approach to using high-temperature superconductors for electricity transmission. Its passive evaporative cryogenic cooling delivers 20 times the cooling power per kilogram of nitrogen flow compared to mechanical subcooling.
Turntide
Venture Round in 2021
Turntide focuses on advancing sustainable technologies aimed at reducing energy consumption and operational costs across various sectors, including buildings, agriculture, and electric transport. Founded in 2013 and based in Sunnyvale, California, the company has created an innovative electric motor system that utilizes switched reluctance technology, managed through sophisticated cloud software. This system is designed to address the significant energy waste associated with traditional electric motors, which account for a substantial portion of global electricity consumption. By integrating Internet of Things (IoT) capabilities, Turntide's solutions enable clients to achieve significant savings in energy costs related to space conditioning, maintenance, and refrigeration, thereby promoting a transition to 100% renewable energy and reducing reliance on fossil fuels.
Malta
Series B in 2021
Malta is a provider of industrial-grade, grid-scale energy storage solutions. The Malta system collects and stores inexpensive and abundant renewable and fossil energy, and dispatches it as needed to the grid to enable the affordable and reliable delivery of electricity on demand. Incubated at X, the Moonshot Factory (formerly Google [x]), and funded by leading venture capital and commercial power industry companies
Blip Energy
Grant in 2021
Blip Energy is focused on developing innovative battery energy storage systems to address rising peak demand and enhance the smart grid infrastructure. The company offers a smart, plug-and-play battery system that leverages artificial intelligence to help households reduce electric bills while providing essential backup power. By creating a distributed network of Internet of Things (IoT) batteries, Blip Energy aims to empower grid operators with the necessary tools and data to stabilize the grid and optimize energy costs for users. Their solutions facilitate energy management without the complexities of permitting and installation, aligning with current needs for resilience and cost savings. Blip Energy's approach supports the transition to a more sustainable, efficient, and reliable power grid for all.
C-Zero
Venture Round in 2021
C-Zero is a hard-tech startup based in Santa Barbara, California, focused on developing innovative technology to decarbonize natural gas. The company utilizes high-temperature catalytic systems to decompose methane, the main component of natural gas, into hydrogen and solid carbon. This process aims to eliminate carbon dioxide emissions associated with energy production. C-Zero's hydrogen can be applied across various industries, including ammonia production, electric generation, process heating, and fuel cell vehicles, potentially addressing up to 75% of global CO2 emissions. By providing a solution for energy companies to reduce their emissions while maintaining low-cost energy availability, C-Zero is positioned to make a significant impact on climate change and energy sustainability.
ZeroAvia
Series A in 2020
ZeroAvia, Inc. is a company focused on developing zero-emission aircraft for commercial short-haul flights. Established in 2017 and headquartered in Hollister, California, with an office in Cranfield, United Kingdom, ZeroAvia specializes in hydrogen-electric propulsion systems. These systems are designed to eliminate aviation emissions while ensuring operational efficiency. The company aims to provide scalable technologies that can retrofit existing aircraft, thereby facilitating a transition to sustainable aviation. By collaborating with various stakeholders, ZeroAvia seeks to revolutionize the aviation industry through cleaner and more efficient flight options. Their powertrain utilizes a hydrogen fuel-cell system in limited-seat fixed-wing aircraft, which not only reduces emissions but also allows for the use of existing infrastructure, thus simplifying regulatory challenges and lowering both fuel and maintenance costs for aviation companies.
Form Energy
Series C in 2020
Form Energy, Inc. specializes in the development of long-duration energy storage systems aimed at enhancing the reliability of renewable energy sources such as wind and solar. Founded in 2017 and based in Somerville, Massachusetts, the company focuses on creating low-cost battery systems, including its innovative iron-air battery technology, which allows for energy storage over extended periods. This capability enables the dispatch of renewable energy throughout the year, effectively replacing traditional fossil fuel-based generation and contributing to the decarbonization of the electric grid. Additionally, Form Energy offers Formware, a capacity expansion software tool designed to optimize energy management. The company's technological advancements are rooted in research from MIT and are supported by various investors committed to sustainable energy solutions.
Quidnet Energy
Series B in 2020
Quidnet Energy is a technology-driven energy company that powers the carbon-free electric grid. Its technology is a form of hydroelectric energy storage using time-tested well-drilling and construction technologies to pump water under pressure into subsurface geological reservoirs to store energy. When variable renewable energy is not available, this water is released to drive hydroelectric turbines to power the electric grid. The company was founded in 2013 and is based in Houston with offices in San Francisco and Saratoga Springs, New York.
Natel Energy
Venture Round in 2020
Natel Energy, Inc. develops and sells restoration hydro turbines (RHTs) designed for low head settings to generate renewable electricity from various water sources, including existing low dams, irrigation canals, and streams. These turbines can be installed in existing infrastructure, improving the efficiency of older units and ensuring compliance with environmental standards. The company also offers digital services that enhance operational efficiency and reduce risks for hydropower stakeholders, utilizing machine learning and remote sensing technologies. Additionally, Natel Energy provides HydroForecast, which employs satellite imagery and advanced modeling to deliver accurate hydrological forecasts. Founded in 2005 and based in Alameda, California, Natel Energy aims to support the transition to sustainable energy through innovative hydropower solutions that contribute to a low-carbon grid.
ESS
Series C in 2019
ESS is a long-duration energy storage company that specializes in iron flow battery technology, providing solutions for commercial, industrial, utility, microgrid, and off-grid applications. Established in 2011, ESS aims to support a future powered by clean and reliable energy. The company utilizes an innovative energy management system that features a safe and non-toxic iron-electrolyte combined with a patented flow cell design. This approach allows ESS to deliver high-performance energy storage at a lower cost, making its technology suitable for a wide range of applications from retail energy management to utility-scale renewable energy integration. With a team experienced in distributed power generation and energy storage technologies, ESS is well-positioned to contribute to the growing demand for sustainable energy solutions.
Form Energy
Series B in 2019
Form Energy, Inc. specializes in the development of long-duration energy storage systems aimed at enhancing the reliability of renewable energy sources such as wind and solar. Founded in 2017 and based in Somerville, Massachusetts, the company focuses on creating low-cost battery systems, including its innovative iron-air battery technology, which allows for energy storage over extended periods. This capability enables the dispatch of renewable energy throughout the year, effectively replacing traditional fossil fuel-based generation and contributing to the decarbonization of the electric grid. Additionally, Form Energy offers Formware, a capacity expansion software tool designed to optimize energy management. The company's technological advancements are rooted in research from MIT and are supported by various investors committed to sustainable energy solutions.
Malta
Series A in 2018
Malta is a provider of industrial-grade, grid-scale energy storage solutions. The Malta system collects and stores inexpensive and abundant renewable and fossil energy, and dispatches it as needed to the grid to enable the affordable and reliable delivery of electricity on demand. Incubated at X, the Moonshot Factory (formerly Google [x]), and funded by leading venture capital and commercial power industry companies
QuantumScape
Venture Round in 2018
QuantumScape develops solid-state lithium-metal batteries for electric vehicles and other energy storage applications. The company works to revolutionize the battery industry by producing a solid-state battery that will provide a substantially higher level of battery storage than other batteries currently on the market. It manufactures lithium batteries aimed to accelerate the commercialization of solid-state batteries. The company's innovative approach could significantly impact the future of electric transportation and renewable energy integration. Jagdeep Singh founded the company in San Jose, California in 2010.
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