Khosla Impact

Khosla Impact, established in 2013, is an impact investment firm based in Menlo Park, California. It focuses on assisting high-impact entrepreneurs who develop products and services for the three billion people at the bottom of the world's economic pyramid. The firm invests in for-profit enterprises serving low-income individuals and small businesses in emerging markets, with a primary focus on South Asia. Khosla Impact encourages experimentation and supports entrepreneurs passionate about solving socio-economic challenges through technology and innovative business models.

Alex Bentley

Partner and Investor

Ryno Blignaut

Operating Partner

Alice Brooks

Principal

Peter Buckland

General Partner and COO

Brian Byun

Venture Partner

Catherine Casuga

Operating Partner

Bryan Gartner

Partner

Kanu Gulati

Partner

Judy Huang

Operating Partner

Jun Jeon

Principal

Samir Kaul

Founding Partner and Managing Director

Vinod Khosla

Managing Director

Kelly Kinnard

Operating Partner

Evan Moore

Partner

Alexander Morgan

Partner

Nicholas Moryl

Associate

Keith Rabois

Managing Director

Arash Rebek

Partner, Capital Formation

Jessy Rivest

Partner and Investor

Jai Sajnani

Partner

Jai Sajnani

Partner and Investor

Leah Scanlan

Operating Partner

Nikita Shamgunov

Partner and Investor

Sven Strohband

Managing Director

Rajesh Swaminathan

Partner

David Weiden

Managing Director

Reze Wong

Partner

Adam Coates

Operating Partner

Kanupriya Gulati Ph.D

Partner and Investor

Past deals in Renewables

Mainspring

Series F in 2025
Mainspring Energy, Inc. is a company based in Menlo Park, California, focused on developing linear generator technology that produces low-carbon, dispatchable energy. Founded in 2010 by three Stanford engineers, Mainspring aims to address the challenges of climate change while providing affordable electricity. The company engineers advanced prototypes of linear generators that convert fuel into electricity through a low-temperature reaction of air and fuel, driving magnets through copper coils. This innovative approach allows Mainspring to offer electricity at lower costs and with greater reliability, contributing to the vision of creating net-zero carbon grids in the future.

Spiritus

Series A in 2025
Spiritus is a climate technology company focused on advancing direct-air-capture (DAC) solutions to combat climate change. It has developed a unique system that integrates the Spiritus Sorbent and the Spiritus Carbon Orchard, designed to be both scalable and modular, which allows for cost-effective carbon removal and sequestration. The company aims to provide an accessible and practical approach to carbon removal, enabling clients to manage their carbon footprint effectively and contribute to environmental sustainability. By achieving efficient sorption and desorption rates at a lower cost compared to existing technologies, Spiritus positions itself as a leader in the DAC sector.

Resource Chemical

Venture Round in 2025
ReSource Chemical is a company based in Berkeley, California, focused on developing high-performance plastics derived from carbon dioxide. The company utilizes a proprietary bio-based platform to create chemicals that enable the production of environmentally friendly plastics with superior physical properties compared to traditional fossil fuel-based plastics. By converting CO2 into these innovative materials, ReSource Chemical aims to provide sustainable alternatives that do not contribute to environmental pollution.

Sonocharge

Venture Round in 2025
Sonocharge Energy focuses on developing advanced battery technology aimed at improving rechargeable and long-duration batteries. Their platform technology enhances battery performance, safety, and charging efficiency, addressing the growing demand for higher power density in various sectors. This innovation serves a wide range of markets, including transportation, electric vehicles, e-mobility, electric bikes, scooters, aerospace, and drones. By delivering improved energy solutions, Sonocharge aims to meet the evolving needs of industries seeking to enhance their energy applications.

LuxWall

Series B in 2024
LuxWall is a building materials company that pioneers the design and manufacture of vacuum-insulated glass. LuxWall produces glass that acts as transparent insulation, providing thermal insulation values comparable to fiberglass wall insulation. With widespread adoption, LuxWall's patented technology has the potential to reduce global carbon emissions by more than 0.5 gigatonnes per year. The company was founded in 2020 and is headquartered in Ypsilanti, Michigan, United States.

RedoxBlox

Series A in 2024
RedoxBlox specializes in thermochemical energy storage technology aimed at decarbonizing high-temperature industrial thermal processing and enhancing natural gas power production. By providing a cost-effective alternative to fossil fuels, the company enables continuous energy discharge at high temperatures, significantly reducing carbon and nitrogen oxide emissions. Its system is designed to integrate seamlessly with existing infrastructure, improving grid resilience while supporting industrial processors and power plant operators. RedoxBlox's technology facilitates the electrification and storage of energy, allowing industries to harness renewable energy sources through large-scale, long-duration energy storage solutions.

Fortera

Series C in 2024
Fortera is focused on developing innovative cement products that significantly reduce carbon dioxide emissions associated with concrete production. The company has created a process that captures industrial carbon emissions and mineralizes them to produce a less carbon-intensive form of concrete. This method not only aims to lower the environmental impact of construction but also enhances the performance characteristics of their products compared to traditional concrete. By providing a more sustainable alternative, Fortera contributes to the global effort to mitigate greenhouse gas emissions, addressing a critical challenge in the construction industry.

Planted Solar

Series A in 2024
Planted Solar is a developer focused on transforming the solar power landscape through an innovative platform that enhances the design and installation of solar power plants. By leveraging development software and construction robots, the company creates high-density, all-terrain power plants on land that was previously deemed unsuitable for solar energy production. This approach allows Planted Solar to generate twice the energy per acre and complete projects three times faster than traditional methods. The company aims to empower businesses and corporations to manage their energy consumption more efficiently, contributing to a cleaner and more sustainable energy future. Backed by prominent investors such as Breakthrough Energy Ventures and Khosla Ventures, Planted Solar is dedicated to accelerating the deployment of solar energy solutions globally.

Li Industries

Series B in 2024
Li Industries is a start-up dedicated to advancing lithium-ion battery recycling technologies. The company focuses on reclaiming materials from end-of-life batteries used in electric vehicles, consumer electronics, and various energy storage systems. By utilizing direct recycling technology, Li Industries specializes in recovering valuable metals such as lithium, cobalt, and nickel, which are essential for battery production. Their innovative electrochemical flow system allows for non-destructive lithiation and optimizes the post-treatment of recovered materials, enhancing the efficiency of the recycling process. Through its efforts, Li Industries aims to minimize environmental waste, lower emissions, and reduce the costs associated with lithium-ion battery manufacturing, thereby promoting a more sustainable supply chain for battery materials.

Pascal

Seed Round in 2024
Pascal is a technology company focused on developing innovative solid refrigerants designed to replace conventional gaseous refrigerants in heating, ventilation, and air conditioning (HVAC) systems. These solid refrigerants operate within the same temperature and pressure ranges as their gaseous counterparts but significantly reduce global warming potential. By enhancing energy efficiency and minimizing system size, Pascal aims to provide advanced solutions for the HVAC sector, potentially transforming the industry with their environmentally friendly alternatives.

Koloma

Series B in 2024
Koloma is a geologic hydrogen company focused on identifying and commercializing geologic hydrogen resources. By utilizing its technology and proprietary data, Koloma develops data-driven solutions for energy transition resource development. The company's initiatives aim to reduce global carbon emissions, providing businesses with the tools to lower their carbon footprint and contribute to climate change mitigation efforts. Through its innovative approach, Koloma seeks to advance clean energy technology and support the transition towards a more sustainable energy future.

Spiritus

Series A in 2023
Spiritus is a climate technology company focused on advancing direct-air-capture (DAC) solutions to combat climate change. It has developed a unique system that integrates the Spiritus Sorbent and the Spiritus Carbon Orchard, designed to be both scalable and modular, which allows for cost-effective carbon removal and sequestration. The company aims to provide an accessible and practical approach to carbon removal, enabling clients to manage their carbon footprint effectively and contribute to environmental sustainability. By achieving efficient sorption and desorption rates at a lower cost compared to existing technologies, Spiritus positions itself as a leader in the DAC sector.

Caelux

Series A in 2023
Caelux is a renewable energy company based in Pasadena, California, that specializes in developing perovskite-on-glass technology for the terrestrial solar industry. Founded in 2014, the company focuses on creating innovative solar power products that enhance power production and efficiency while minimizing the use of semiconducting materials. This approach not only improves the performance of solar devices but also reduces production costs. Caelux's technology is designed to integrate seamlessly into existing photovoltaic module manufacturing processes, enabling users to lower installed costs while achieving better energy output.

TeraWatt Technology

Series C in 2023
TeraWatt Technology Inc., founded in 2017 and headquartered in Santa Clara, California, specializes in the design and development of lithium-ion rechargeable batteries for various electrified applications. The company focuses on producing batteries that combine energy and power density with safety, catering to the needs of industrial clients. Through advanced engineering practices and efficient production processes, TeraWatt Technology aims to provide long-lasting, safe, and reliable power alternatives, supporting a wide range of electrification initiatives. Additionally, TeraWatt has a subsidiary located in Tokyo, Japan, further expanding its reach in the global market.

Ceibo

Series B in 2023
Ceibo is an industrial biotechnology company dedicated to providing innovative solutions for the mining industry, particularly in the production of critical minerals essential for the clean energy transition. The company has developed proprietary technology for leaching copper sulfide, which enhances recovery from both primary and secondary sulfide ores rich in chalcopyrite. In addition to its leaching technology, Ceibo has implemented technologies aimed at dust suppression in mining operations. Currently, Ceibo operates within several large mining assets owned by prominent mining companies, focusing on optimizing processes, reducing costs, and promoting environmentally sustainable practices with a commitment to zero waste activity.

Realta Fusion

Seed Round in 2023
Realta Fusion is focused on developing fusion energy technology aimed at producing industrial heat and power. The company leverages advancements in superconducting materials, plasma physics, and computing power to create a straightforward linear fusion reactor design. This innovative approach allows Realta Fusion to utilize abundant fuel sources, offering a zero-carbon solution for heat and power generation. By minimizing capital expenditures associated with power plant construction, the company positions itself as a provider of sustainable energy solutions.

LanzaTech

Post in 2023
LanzaTech, Inc. is a carbon recycling company based in Skokie, Illinois, with additional offices in Roselle, Illinois; Shanghai, China; and Gurgaon, India. Founded in 2005, the company specializes in producing fuel ethanol from renewable non-food resources, including industrial flue gases and waste gases generated from the gasification of municipal solid waste and biomass. LanzaTech's innovative technology enables the conversion of carbon emissions from sources like steel mills into valuable products, such as sustainable fuels and chemicals, thus contributing to a circular carbon economy. By recycling carbon from various waste streams, LanzaTech aims to reduce global CO2 emissions significantly and displace a substantial portion of crude oil use, ultimately transforming waste carbon into essential building blocks for consumer goods.

LuxWall

Venture Round in 2023
LuxWall is a building materials company that pioneers the design and manufacture of vacuum-insulated glass. LuxWall produces glass that acts as transparent insulation, providing thermal insulation values comparable to fiberglass wall insulation. With widespread adoption, LuxWall's patented technology has the potential to reduce global carbon emissions by more than 0.5 gigatonnes per year. The company was founded in 2020 and is headquartered in Ypsilanti, Michigan, United States.

Mainspring

Series E in 2022
Mainspring Energy, Inc. is a company based in Menlo Park, California, focused on developing linear generator technology that produces low-carbon, dispatchable energy. Founded in 2010 by three Stanford engineers, Mainspring aims to address the challenges of climate change while providing affordable electricity. The company engineers advanced prototypes of linear generators that convert fuel into electricity through a low-temperature reaction of air and fuel, driving magnets through copper coils. This innovative approach allows Mainspring to offer electricity at lower costs and with greater reliability, contributing to the vision of creating net-zero carbon grids in the future.

Genecis

Series A in 2022
Genecis is an early-stage organic waste processing startup that uses biotechnology to convert waste into biodegradable plastics and other high-value materials. It converts organic waste into PHA (Polyhydroxyalkanoate), a biodegradable, compostable, and non-toxic polymer that can be tuned to replace a wide variety of traditional plastics. PHA can be used for single-use plastics, clothing and textiles, automotive interiors, medical tools and products, and food contact applications.

Li Industries

Series A in 2022
Li Industries is a start-up dedicated to advancing lithium-ion battery recycling technologies. The company focuses on reclaiming materials from end-of-life batteries used in electric vehicles, consumer electronics, and various energy storage systems. By utilizing direct recycling technology, Li Industries specializes in recovering valuable metals such as lithium, cobalt, and nickel, which are essential for battery production. Their innovative electrochemical flow system allows for non-destructive lithiation and optimizes the post-treatment of recovered materials, enhancing the efficiency of the recycling process. Through its efforts, Li Industries aims to minimize environmental waste, lower emissions, and reduce the costs associated with lithium-ion battery manufacturing, thereby promoting a more sustainable supply chain for battery materials.

Sonocharge

Seed Round in 2022
Sonocharge Energy focuses on developing advanced battery technology aimed at improving rechargeable and long-duration batteries. Their platform technology enhances battery performance, safety, and charging efficiency, addressing the growing demand for higher power density in various sectors. This innovation serves a wide range of markets, including transportation, electric vehicles, e-mobility, electric bikes, scooters, aerospace, and drones. By delivering improved energy solutions, Sonocharge aims to meet the evolving needs of industries seeking to enhance their energy applications.

TeraWatt Technology

Series B in 2022
TeraWatt Technology Inc., founded in 2017 and headquartered in Santa Clara, California, specializes in the design and development of lithium-ion rechargeable batteries for various electrified applications. The company focuses on producing batteries that combine energy and power density with safety, catering to the needs of industrial clients. Through advanced engineering practices and efficient production processes, TeraWatt Technology aims to provide long-lasting, safe, and reliable power alternatives, supporting a wide range of electrification initiatives. Additionally, TeraWatt has a subsidiary located in Tokyo, Japan, further expanding its reach in the global market.

Nitricity

Venture Round in 2022
Nitricity is an energy company focused on the production of renewable nitrogen fertilizers with zero carbon emissions. It specializes in creating electrified, climate-smart fertilizers, specifically nitric acid and ammonia, which can be utilized independently or together to produce ammonium nitrate fertilizer. This innovative approach aims to bring high-quality fertilizer products closer to farmers, allowing them to minimize wasteful runoff and optimize fertilizer application timing based on field readiness. By enhancing nitrogen delivery capabilities, Nitricity supports sustainable agricultural practices and contributes to environmentally responsible farming worldwide.

Mainspring

Series E in 2022
Mainspring Energy, Inc. is a company based in Menlo Park, California, focused on developing linear generator technology that produces low-carbon, dispatchable energy. Founded in 2010 by three Stanford engineers, Mainspring aims to address the challenges of climate change while providing affordable electricity. The company engineers advanced prototypes of linear generators that convert fuel into electricity through a low-temperature reaction of air and fuel, driving magnets through copper coils. This innovative approach allows Mainspring to offer electricity at lower costs and with greater reliability, contributing to the vision of creating net-zero carbon grids in the future.

Aether Diamonds

Series A in 2022
Aether Diamonds produces the world's first and only diamonds made 100% from captured carbon. Certified B Corp. 2022 Fast Company Top 10 Most Innovative Consumer Goods Companies. 2022 "Best for the World" B Corp.

Verdagy

Series A in 2022
Verdagy is focused on advancing water electrolysis technology to enable large-scale production of green hydrogen. Based in Moss Landing, California, the company develops high-performance cells, electrolyzers, and plants aimed at achieving low upfront capital and operating costs. Their innovative approach positions them to offer competitive unit economics in hydrogen production, making it more accessible for various industries to adopt clean energy solutions. Verdagy operates laboratory and pilot plant facilities to support the rapid scaling of its technology platform.

Juno

Series A in 2021
Juno Residential, Inc. is a company based in San Francisco, California, focused on the development of residential apartments. Established in 2018, Juno Residential specializes in creating prefabricated housing solutions that prioritize environmental sustainability. The company employs innovative prefabrication techniques and utilizes organic, low-carbon materials such as mass timber to construct modern and curated living spaces. By offering these eco-friendly and efficient housing alternatives, Juno aims to address the growing demand for sustainable residential options.

Gaiascope

Seed Round in 2021
Gaiascope, Inc. is a software-as-a-service company based in Brooklyn, New York, founded in 2019, that specializes in developing analytics solutions for the energy sector. The company's software employs machine learning techniques to analyze big data, providing insights into locational marginal pricing, grid constraints, weather patterns, plant dispatch, and energy demand. Gaiascope aims to facilitate the transition to a more sustainable energy future by offering user-friendly tools that promote transparency and practical application over complex algorithms. Its solutions are designed to optimize real-time trading, operations, and development, addressing the complexities of modern power markets, including the integration of renewable energy sources. By utilizing scenario analysis and accurate, probabilistic price forecasts, Gaiascope helps energy companies and investors better understand and navigate the evolving landscape of the electric grid, ultimately enhancing investment opportunities and profitability in the sector.

Fortera

Series B in 2021
Fortera is focused on developing innovative cement products that significantly reduce carbon dioxide emissions associated with concrete production. The company has created a process that captures industrial carbon emissions and mineralizes them to produce a less carbon-intensive form of concrete. This method not only aims to lower the environmental impact of construction but also enhances the performance characteristics of their products compared to traditional concrete. By providing a more sustainable alternative, Fortera contributes to the global effort to mitigate greenhouse gas emissions, addressing a critical challenge in the construction industry.

Mainspring

Series D in 2021
Mainspring Energy, Inc. is a company based in Menlo Park, California, focused on developing linear generator technology that produces low-carbon, dispatchable energy. Founded in 2010 by three Stanford engineers, Mainspring aims to address the challenges of climate change while providing affordable electricity. The company engineers advanced prototypes of linear generators that convert fuel into electricity through a low-temperature reaction of air and fuel, driving magnets through copper coils. This innovative approach allows Mainspring to offer electricity at lower costs and with greater reliability, contributing to the vision of creating net-zero carbon grids in the future.

Natron Energy

Series D in 2020
Natron Energy, Inc. is an energy storage company based in Santa Clara, California, founded in 2012. The company specializes in developing sodium-ion battery technologies, utilizing Prussian Blue electrode materials to create safe and sustainable energy storage solutions. Natron's batteries are designed for various industrial applications, including uninterruptible power supply systems, lift trucks, renewable energy smoothing, and smart grids. These batteries offer advantages such as high power density, efficient recharging, and extended cycle life, and can be produced economically using commodity materials on existing manufacturing lines. Natron Energy operates a software-defined power platform to enhance the integration of its battery solutions across critical backup power systems and other applications.

Juno

Seed Round in 2020
Juno Residential, Inc. is a company based in San Francisco, California, focused on the development of residential apartments. Established in 2018, Juno Residential specializes in creating prefabricated housing solutions that prioritize environmental sustainability. The company employs innovative prefabrication techniques and utilizes organic, low-carbon materials such as mass timber to construct modern and curated living spaces. By offering these eco-friendly and efficient housing alternatives, Juno aims to address the growing demand for sustainable residential options.

Commonwealth Fusion Systems

Series A in 2020
Commonwealth Fusion Systems LLC is a research and development company focused on advancing fusion energy technology to provide an inexhaustible power source. Established in 2017 and based in Cambridge, Massachusetts, the company utilizes rare-earth barium copper oxide superconductor technology to create fusion energy systems. Commonwealth Fusion Systems was spun out of the Massachusetts Institute of Technology (MIT) and collaborates with MIT’s Plasma Science and Fusion Center to leverage decades of government-funded fusion research. By integrating established physics with innovative magnet technology, the company aims to accelerate the commercialization of fusion energy, positioning itself as a key player in the transition to clean and renewable energy sources while addressing climate change challenges.

TeraWatt Technology

Seed Round in 2020
TeraWatt Technology Inc., founded in 2017 and headquartered in Santa Clara, California, specializes in the design and development of lithium-ion rechargeable batteries for various electrified applications. The company focuses on producing batteries that combine energy and power density with safety, catering to the needs of industrial clients. Through advanced engineering practices and efficient production processes, TeraWatt Technology aims to provide long-lasting, safe, and reliable power alternatives, supporting a wide range of electrification initiatives. Additionally, TeraWatt has a subsidiary located in Tokyo, Japan, further expanding its reach in the global market.

Ceibo

Series A in 2019
Ceibo is an industrial biotechnology company dedicated to providing innovative solutions for the mining industry, particularly in the production of critical minerals essential for the clean energy transition. The company has developed proprietary technology for leaching copper sulfide, which enhances recovery from both primary and secondary sulfide ores rich in chalcopyrite. In addition to its leaching technology, Ceibo has implemented technologies aimed at dust suppression in mining operations. Currently, Ceibo operates within several large mining assets owned by prominent mining companies, focusing on optimizing processes, reducing costs, and promoting environmentally sustainable practices with a commitment to zero waste activity.

Commonwealth Fusion Systems

Series A in 2019
Commonwealth Fusion Systems LLC is a research and development company focused on advancing fusion energy technology to provide an inexhaustible power source. Established in 2017 and based in Cambridge, Massachusetts, the company utilizes rare-earth barium copper oxide superconductor technology to create fusion energy systems. Commonwealth Fusion Systems was spun out of the Massachusetts Institute of Technology (MIT) and collaborates with MIT’s Plasma Science and Fusion Center to leverage decades of government-funded fusion research. By integrating established physics with innovative magnet technology, the company aims to accelerate the commercialization of fusion energy, positioning itself as a key player in the transition to clean and renewable energy sources while addressing climate change challenges.

Mainspring

Series C in 2018
Mainspring Energy, Inc. is a company based in Menlo Park, California, focused on developing linear generator technology that produces low-carbon, dispatchable energy. Founded in 2010 by three Stanford engineers, Mainspring aims to address the challenges of climate change while providing affordable electricity. The company engineers advanced prototypes of linear generators that convert fuel into electricity through a low-temperature reaction of air and fuel, driving magnets through copper coils. This innovative approach allows Mainspring to offer electricity at lower costs and with greater reliability, contributing to the vision of creating net-zero carbon grids in the future.

Bboxx

Series C in 2016
Bboxx, established in 2010 and headquartered in London, specializes in designing, manufacturing, and distributing plug-and-play solar systems. The company's product range includes solar home systems, remote monitoring products, portable lights, radios, LED TVs, and phone chargers, along with installation and maintenance services. Bboxx serves customers in the UK and internationally through a network of distributors, focusing on enhancing access to energy in developing countries, particularly in Africa. The company aims to provide a western energy experience off-grid and in rural areas, combining access to electricity with superior customer service.

Bboxx

Venture Round in 2015
Bboxx, established in 2010 and headquartered in London, specializes in designing, manufacturing, and distributing plug-and-play solar systems. The company's product range includes solar home systems, remote monitoring products, portable lights, radios, LED TVs, and phone chargers, along with installation and maintenance services. Bboxx serves customers in the UK and internationally through a network of distributors, focusing on enhancing access to energy in developing countries, particularly in Africa. The company aims to provide a western energy experience off-grid and in rural areas, combining access to electricity with superior customer service.

SES

Series B in 2015
SolidEnergy Systems Corp. develops and manufactures rechargeable lithium metal batteries primarily for applications in drones, wearables, smartphones, and electric vehicles. Founded in 2012 and based in Woburn, Massachusetts, the company focuses on producing high-performance lithium metal batteries and supplying essential materials, such as anodes and electrolytes, to major lithium-ion cell manufacturers. These materials can be integrated into existing manufacturing processes, allowing for scalability without significant infrastructure investments. SolidEnergy's pilot-scale production caters to prototype demonstrations and specialized aerospace markets, while its future growth is aimed at mainstream sectors like consumer electronics and electric vehicles. Additionally, the company is involved in developing AI-powered safety algorithms and recycling solutions, positioning itself as an integrated battery manufacturer with a commitment to innovation and sustainability.

Sakti3

Series C in 2015
Sakti3, Inc. is a Michigan-based company that specializes in the development of solid-state rechargeable lithium-ion battery technology. Founded in 2007 and currently a subsidiary of Dyson Ltd., Sakti3 focuses on creating advanced battery cells designed for use in electric vehicles and portable electronics. The company's innovative technology aims to enhance the performance and efficiency of electric cars, making them more comparable to traditional gasoline-powered vehicles. By improving battery capabilities, Sakti3 seeks to support the growing demand for sustainable energy solutions in the automotive and consumer electronics industries.

Seeo

Series E in 2014
Seeo, Inc. specializes in the development and manufacturing of rechargeable lithium-ion batteries that utilize a nano-structured polymer electrolyte. Founded in 2007 and headquartered in Hayward, California, with facilities in Shanghai, China, the company serves various markets, including transportation, electric grid, and telecommunications. Seeo's batteries are designed to be safe, lightweight, and high in energy density, making them suitable for demanding applications. They feature a solid-state composition that eliminates flammable or volatile components, significantly reducing the risk of fires under stress conditions such as crushing or overvoltage. This innovative approach enables environmentally friendly energy storage with a reduced reliance on raw materials while enhancing payload range for vehicle owners. As of 2015, Seeo operates as a subsidiary of Robert Bosch GmbH.

LanzaTech

Series D in 2014
LanzaTech, Inc. is a carbon recycling company based in Skokie, Illinois, with additional offices in Roselle, Illinois; Shanghai, China; and Gurgaon, India. Founded in 2005, the company specializes in producing fuel ethanol from renewable non-food resources, including industrial flue gases and waste gases generated from the gasification of municipal solid waste and biomass. LanzaTech's innovative technology enables the conversion of carbon emissions from sources like steel mills into valuable products, such as sustainable fuels and chemicals, thus contributing to a circular carbon economy. By recycling carbon from various waste streams, LanzaTech aims to reduce global CO2 emissions significantly and displace a substantial portion of crude oil use, ultimately transforming waste carbon into essential building blocks for consumer goods.

Ambri

Series C in 2014
Ambri, Inc. is a company based in Marlborough, Massachusetts, focused on developing innovative electricity storage solutions through its liquid metal battery technology. Founded in 2010 and originally known as Liquid Metal Battery Corporation, Ambri aims to revolutionize grid-scale power storage by offering batteries that are low-cost, long-lasting, and capable of storing significant amounts of energy. These batteries are particularly suited for applications in renewable energy systems and grid stabilization. Ambri's technology is designed to enhance the reliability and efficiency of energy storage, with systems that can tolerate short circuits and other operational challenges, making them a robust choice for grid operators.

Caelux

Venture Round in 2014
Caelux is a renewable energy company based in Pasadena, California, that specializes in developing perovskite-on-glass technology for the terrestrial solar industry. Founded in 2014, the company focuses on creating innovative solar power products that enhance power production and efficiency while minimizing the use of semiconducting materials. This approach not only improves the performance of solar devices but also reduces production costs. Caelux's technology is designed to integrate seamlessly into existing photovoltaic module manufacturing processes, enabling users to lower installed costs while achieving better energy output.

LanzaTech

Series C in 2013
LanzaTech, Inc. is a carbon recycling company based in Skokie, Illinois, with additional offices in Roselle, Illinois; Shanghai, China; and Gurgaon, India. Founded in 2005, the company specializes in producing fuel ethanol from renewable non-food resources, including industrial flue gases and waste gases generated from the gasification of municipal solid waste and biomass. LanzaTech's innovative technology enables the conversion of carbon emissions from sources like steel mills into valuable products, such as sustainable fuels and chemicals, thus contributing to a circular carbon economy. By recycling carbon from various waste streams, LanzaTech aims to reduce global CO2 emissions significantly and displace a substantial portion of crude oil use, ultimately transforming waste carbon into essential building blocks for consumer goods.

Bboxx

Series A in 2013
Bboxx, established in 2010 and headquartered in London, specializes in designing, manufacturing, and distributing plug-and-play solar systems. The company's product range includes solar home systems, remote monitoring products, portable lights, radios, LED TVs, and phone chargers, along with installation and maintenance services. Bboxx serves customers in the UK and internationally through a network of distributors, focusing on enhancing access to energy in developing countries, particularly in Africa. The company aims to provide a western energy experience off-grid and in rural areas, combining access to electricity with superior customer service.

Kior

Post in 2013
KiOR, Inc. is a renewable fuels company that specializes in producing and selling cellulosic gasoline and diesel derived from lignocellulosic biomass. Utilizing its proprietary biomass-to-cellulosic fuel technology, the company aims to supply its products to refiners, terminal and rack owners, and fleet operators for vehicle use. Founded in 2007 and headquartered in Pasadena, Texas, KiOR is focused on contributing to sustainable energy solutions by converting biomass into clean fuels.

Coskata

Debt Financing in 2013
Coskata, Inc. is a renewable energy company focused on producing liquid fuels through advanced biological processes. The company utilizes proprietary microorganisms and innovative bioreactor designs to convert various feedstocks, including natural gas, wood, and waste materials, into ethanol. By developing technologies for processing bio-refuse and synthesizing gas, Coskata aims to provide a sustainable solution for fuel production that supports economic growth, environmental protection, and national security. Through its expertise in molecular biology and process engineering, the company enables the transformation of diverse resources into valuable fuels and chemicals.

GreenLight Biosciences

Series A in 2013
GreenLight Biosciences, Inc. is a biotechnology company that specializes in developing RNA-based solutions for agricultural and pharmaceutical applications. Headquartered in Medford, Massachusetts, with an additional facility in North Carolina, the company focuses on producing high-quality RNA quickly and cost-effectively. GreenLight's technology platform facilitates the biological conversion of renewable substrates into valuable products, including chemicals and fuels. The company is actively involved in advancing vaccine development, particularly mRNA-based candidates aimed at preventing diseases such as SARS-CoV-2. Additionally, GreenLight engages in crop management and plant protection initiatives, contributing to sustainable agricultural practices and supporting the health of pollinators. Through its innovative approaches, GreenLight Biosciences aims to address global challenges in food security and public health.

LightSail Energy

Series D in 2013
LightSail Energy specializes in the development of advanced energy storage systems that utilize compressed air technology. By focusing on grid-scale applications, the company aims to enhance the efficiency and reliability of energy storage, particularly for renewable sources such as solar and wind. This shift from vehicle-based technology to modernizing the electrical grid allows clients to access low-cost and effective energy storage solutions, enabling them to meet demand for clean energy. Through its innovative approach, LightSail Energy is working to transform how energy is stored and delivered worldwide.

Natron Energy

Series A in 2013
Natron Energy, Inc. is an energy storage company based in Santa Clara, California, founded in 2012. The company specializes in developing sodium-ion battery technologies, utilizing Prussian Blue electrode materials to create safe and sustainable energy storage solutions. Natron's batteries are designed for various industrial applications, including uninterruptible power supply systems, lift trucks, renewable energy smoothing, and smart grids. These batteries offer advantages such as high power density, efficient recharging, and extended cycle life, and can be produced economically using commodity materials on existing manufacturing lines. Natron Energy operates a software-defined power platform to enhance the integration of its battery solutions across critical backup power systems and other applications.

Stion

Private Equity Round in 2012
Stion Corporation specializes in the manufacture and distribution of thin-film solar modules designed for a variety of applications, including residential, commercial, governmental, utility, and off-grid uses. Established in 2006 and headquartered in San Jose, California, Stion operates a manufacturing facility in Hattiesburg, Mississippi. The company's high-efficiency solar modules utilize innovative cell architecture and all-weather construction, which enhance power output and reliability while minimizing total installed costs. Stion markets its products through a network of authorized dealers in both the United States and international markets.

LightSail Energy

Series D in 2012
LightSail Energy specializes in the development of advanced energy storage systems that utilize compressed air technology. By focusing on grid-scale applications, the company aims to enhance the efficiency and reliability of energy storage, particularly for renewable sources such as solar and wind. This shift from vehicle-based technology to modernizing the electrical grid allows clients to access low-cost and effective energy storage solutions, enabling them to meet demand for clean energy. Through its innovative approach, LightSail Energy is working to transform how energy is stored and delivered worldwide.

Segetis

Series C in 2012
Segetis, Inc. is a green chemistry company specializing in the development, production, and commercialization of renewable polymers. Founded in 2006 and based in Golden Valley, Minnesota, the company utilizes a platform of binary monomers derived from renewable feedstocks, such as non-food agricultural and forestry materials. Segetis's innovative technology supports the production of a range of industrial bioproducts, including bio-plastics, surfactants, plasticizers, adhesives, and coalescent solvents, among others. The company's chemistries create opportunities for synergy across various industries, including those involved in starch and sugar crop processing, wood and cellulose processing, vegetable oil chemical processing, biodiesel manufacturing, and the production of linear alpha-olefins.

Ambri

Series B in 2012
Ambri, Inc. is a company based in Marlborough, Massachusetts, focused on developing innovative electricity storage solutions through its liquid metal battery technology. Founded in 2010 and originally known as Liquid Metal Battery Corporation, Ambri aims to revolutionize grid-scale power storage by offering batteries that are low-cost, long-lasting, and capable of storing significant amounts of energy. These batteries are particularly suited for applications in renewable energy systems and grid stabilization. Ambri's technology is designed to enhance the reliability and efficiency of energy storage, with systems that can tolerate short circuits and other operational challenges, making them a robust choice for grid operators.

Virdia

Debt Financing in 2012
Virdia, formerly known as HCL CleanTech, specializes in the development of cellulosic sugars and lignin derived from lignocellulosic biomass for applications in renewable chemicals, bio-energy, and nutrition. The company utilizes its proprietary CASE™ process, which efficiently converts a variety of feedstocks, including wood, energy crops, and agricultural residues, into refined sugars and lignin. This innovative, low-temperature method maximizes sugar yields while maintaining a minimal environmental impact through the nearly complete recycling of acids and solvents used during production. Virdia is guided by an experienced management team with extensive backgrounds in corn processing, chemicals, and biochemicals.

Kior

Post in 2012
KiOR, Inc. is a renewable fuels company that specializes in producing and selling cellulosic gasoline and diesel derived from lignocellulosic biomass. Utilizing its proprietary biomass-to-cellulosic fuel technology, the company aims to supply its products to refiners, terminal and rack owners, and fleet operators for vehicle use. Founded in 2007 and headquartered in Pasadena, Texas, KiOR is focused on contributing to sustainable energy solutions by converting biomass into clean fuels.

Stion

Private Equity Round in 2011
Stion Corporation specializes in the manufacture and distribution of thin-film solar modules designed for a variety of applications, including residential, commercial, governmental, utility, and off-grid uses. Established in 2006 and headquartered in San Jose, California, Stion operates a manufacturing facility in Hattiesburg, Mississippi. The company's high-efficiency solar modules utilize innovative cell architecture and all-weather construction, which enhance power output and reliability while minimizing total installed costs. Stion markets its products through a network of authorized dealers in both the United States and international markets.

Danotek Motion Technologies

Series B in 2011
Danotek Motion Technologies Inc, founded in 2001, in Ann Arbor, Michigan is an ISO 9001:2000 certified technology innovator. Danotek develops clean, energy efficient, generators, electrical conversion systems, brushless motors and electronics controls for alternative energy and advanced transportation applications. Danotek has developed a number of patent-pending innovative products that include variable speed permanent magnet (PM) generators and brushless motors with integrated electronics for wind power, fuel cell, CHP, auxiliary power and electric and hybrid electric vehicles. Their designs represent industry leadership and are expected to replace inefficient and unreliable systems with added extensive control features.

Coskata

Series D in 2011
Coskata, Inc. is a renewable energy company focused on producing liquid fuels through advanced biological processes. The company utilizes proprietary microorganisms and innovative bioreactor designs to convert various feedstocks, including natural gas, wood, and waste materials, into ethanol. By developing technologies for processing bio-refuse and synthesizing gas, Coskata aims to provide a sustainable solution for fuel production that supports economic growth, environmental protection, and national security. Through its expertise in molecular biology and process engineering, the company enables the transformation of diverse resources into valuable fuels and chemicals.

Seeo

Series D in 2011
Seeo, Inc. specializes in the development and manufacturing of rechargeable lithium-ion batteries that utilize a nano-structured polymer electrolyte. Founded in 2007 and headquartered in Hayward, California, with facilities in Shanghai, China, the company serves various markets, including transportation, electric grid, and telecommunications. Seeo's batteries are designed to be safe, lightweight, and high in energy density, making them suitable for demanding applications. They feature a solid-state composition that eliminates flammable or volatile components, significantly reducing the risk of fires under stress conditions such as crushing or overvoltage. This innovative approach enables environmentally friendly energy storage with a reduced reliance on raw materials while enhancing payload range for vehicle owners. As of 2015, Seeo operates as a subsidiary of Robert Bosch GmbH.

Ciris Energy

Series B in 2011
Ciris Energy, Inc. is a technology company based in Centennial, Colorado, that specializes in producing electricity from buried coal and other hydrocarbon deposits. Founded in 2007, the company has developed proprietary technologies that biologically convert coal into methane at large scales. These innovations focus on creating natural gas from coal in an environmentally responsible and economically efficient manner, allowing clients to utilize coal as a renewable energy source.

QuantumScape

Venture Round in 2011
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.

LS9

Series D in 2010
LS9, based in South San Francisco, California, is a privately-held industrial biotechnology company focused on developing renewable petroleum biofuels and sustainable chemicals. Utilizing advanced synthetic biology techniques, LS9 creates patent-pending UltraClean fuels, emphasizing both innovation and sustainability in the energy sector. The company's goal is to produce hydrocarbon biofuels that serve as environmentally friendly alternatives to traditional fossil fuels, thereby contributing to a more sustainable future.

EchoFirst

Series B in 2010
EchoFirst specializes in the manufacture and marketing of integrated solar energy systems designed to meet both electrical and heating needs for residential properties. Their innovative Echo solar systems not only generate electricity but also produce hot water for various household applications, as well as thermal energy for heating and cooling. This comprehensive energy solution offers a total energy output that significantly exceeds that of traditional photovoltaic systems. EchoFirst serves a diverse clientele, including homeowners, installation partners, and developers of new homes, providing a sustainable option for modern energy requirements.

Sakti3

Series B in 2010
Sakti3, Inc. is a Michigan-based company that specializes in the development of solid-state rechargeable lithium-ion battery technology. Founded in 2007 and currently a subsidiary of Dyson Ltd., Sakti3 focuses on creating advanced battery cells designed for use in electric vehicles and portable electronics. The company's innovative technology aims to enhance the performance and efficiency of electric cars, making them more comparable to traditional gasoline-powered vehicles. By improving battery capabilities, Sakti3 seeks to support the growing demand for sustainable energy solutions in the automotive and consumer electronics industries.

Coskata

Series D in 2010
Coskata, Inc. is a renewable energy company focused on producing liquid fuels through advanced biological processes. The company utilizes proprietary microorganisms and innovative bioreactor designs to convert various feedstocks, including natural gas, wood, and waste materials, into ethanol. By developing technologies for processing bio-refuse and synthesizing gas, Coskata aims to provide a sustainable solution for fuel production that supports economic growth, environmental protection, and national security. Through its expertise in molecular biology and process engineering, the company enables the transformation of diverse resources into valuable fuels and chemicals.

Kior

Private Equity Round in 2010
KiOR, Inc. is a renewable fuels company that specializes in producing and selling cellulosic gasoline and diesel derived from lignocellulosic biomass. Utilizing its proprietary biomass-to-cellulosic fuel technology, the company aims to supply its products to refiners, terminal and rack owners, and fleet operators for vehicle use. Founded in 2007 and headquartered in Pasadena, Texas, KiOR is focused on contributing to sustainable energy solutions by converting biomass into clean fuels.

LanzaTech

Series B in 2010
LanzaTech, Inc. is a carbon recycling company based in Skokie, Illinois, with additional offices in Roselle, Illinois; Shanghai, China; and Gurgaon, India. Founded in 2005, the company specializes in producing fuel ethanol from renewable non-food resources, including industrial flue gases and waste gases generated from the gasification of municipal solid waste and biomass. LanzaTech's innovative technology enables the conversion of carbon emissions from sources like steel mills into valuable products, such as sustainable fuels and chemicals, thus contributing to a circular carbon economy. By recycling carbon from various waste streams, LanzaTech aims to reduce global CO2 emissions significantly and displace a substantial portion of crude oil use, ultimately transforming waste carbon into essential building blocks for consumer goods.

Stion

Series D in 2010
Stion Corporation specializes in the manufacture and distribution of thin-film solar modules designed for a variety of applications, including residential, commercial, governmental, utility, and off-grid uses. Established in 2006 and headquartered in San Jose, California, Stion operates a manufacturing facility in Hattiesburg, Mississippi. The company's high-efficiency solar modules utilize innovative cell architecture and all-weather construction, which enhance power output and reliability while minimizing total installed costs. Stion markets its products through a network of authorized dealers in both the United States and international markets.

Gevo

Series D in 2010
Gevo, Inc. is a renewable fuels company based in Englewood, Colorado, focused on developing and commercializing sustainable alternatives to petroleum-based products. Founded in 2005, Gevo specializes in producing renewable fuels such as gasoline, jet fuel, and diesel, as well as chemicals derived from isobutanol, a key product made from low-carbon renewable feedstocks. The company's offerings include renewable biodiesel, sustainable aviation fuel, isobutylene, ethanol, and animal feed. Gevo is also engaged in producing renewable electricity and natural gas to support its operations. Through its various segments, Gevo conducts research and development aimed at advancing biofuels and biochemicals, including innovative technologies for the production of sustainable aviation fuel and other renewable hydrocarbon products, while actively working to reduce greenhouse gas emissions.

Segetis

Series B in 2010
Segetis, Inc. is a green chemistry company specializing in the development, production, and commercialization of renewable polymers. Founded in 2006 and based in Golden Valley, Minnesota, the company utilizes a platform of binary monomers derived from renewable feedstocks, such as non-food agricultural and forestry materials. Segetis's innovative technology supports the production of a range of industrial bioproducts, including bio-plastics, surfactants, plasticizers, adhesives, and coalescent solvents, among others. The company's chemistries create opportunities for synergy across various industries, including those involved in starch and sugar crop processing, wood and cellulose processing, vegetable oil chemical processing, biodiesel manufacturing, and the production of linear alpha-olefins.

Nordic Windpower

Series C in 2010
Nordic’s N1000, a simple, light-weight 1MW wind turbine is known for its unsurpassed ease of installation and maintenance, exceptional reliability, and low cost of energy generation. Nordic Windpower is a technology developer and manufacturer of innovative, two-bladed wind turbines for the rapidly expanding global wind market.

Mainspring

Seed Round in 2010
Mainspring Energy, Inc. is a company based in Menlo Park, California, focused on developing linear generator technology that produces low-carbon, dispatchable energy. Founded in 2010 by three Stanford engineers, Mainspring aims to address the challenges of climate change while providing affordable electricity. The company engineers advanced prototypes of linear generators that convert fuel into electricity through a low-temperature reaction of air and fuel, driving magnets through copper coils. This innovative approach allows Mainspring to offer electricity at lower costs and with greater reliability, contributing to the vision of creating net-zero carbon grids in the future.

QuantumScape

Seed Round in 2010
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.

Danotek Motion Technologies

Venture Round in 2009
Danotek Motion Technologies Inc, founded in 2001, in Ann Arbor, Michigan is an ISO 9001:2000 certified technology innovator. Danotek develops clean, energy efficient, generators, electrical conversion systems, brushless motors and electronics controls for alternative energy and advanced transportation applications. Danotek has developed a number of patent-pending innovative products that include variable speed permanent magnet (PM) generators and brushless motors with integrated electronics for wind power, fuel cell, CHP, auxiliary power and electric and hybrid electric vehicles. Their designs represent industry leadership and are expected to replace inefficient and unreliable systems with added extensive control features.

LS9

Series C in 2009
LS9, based in South San Francisco, California, is a privately-held industrial biotechnology company focused on developing renewable petroleum biofuels and sustainable chemicals. Utilizing advanced synthetic biology techniques, LS9 creates patent-pending UltraClean fuels, emphasizing both innovation and sustainability in the energy sector. The company's goal is to produce hydrocarbon biofuels that serve as environmentally friendly alternatives to traditional fossil fuels, thereby contributing to a more sustainable future.

Amyris

Series C in 2009
Amyris, Inc. is a biotechnology company headquartered in Emeryville, California, specializing in the development of microbial strains to produce sustainable ingredients from renewable plant-sourced sugars. Founded in 2003, Amyris utilizes its industrial synthetic biology platform to engineer and manufacture a wide range of products, including ingredients for cosmetics, flavors, fragrances, healthcare, and fuels. The company’s innovative technology enables the conversion of plant sugars into high-value hydrocarbon molecules, providing no-compromise alternatives to petroleum-based products. Amyris operates under several trademarks, including Biofene and Biossance, and collaborates with organizations such as the Infectious Disease Research Institute to advance health-related initiatives, including vaccine development. The company generates revenue from product sales, intellectual property licensing, and collaborative research efforts, with a significant portion of its business occurring in the United States.

Seeo

Series C in 2009
Seeo, Inc. specializes in the development and manufacturing of rechargeable lithium-ion batteries that utilize a nano-structured polymer electrolyte. Founded in 2007 and headquartered in Hayward, California, with facilities in Shanghai, China, the company serves various markets, including transportation, electric grid, and telecommunications. Seeo's batteries are designed to be safe, lightweight, and high in energy density, making them suitable for demanding applications. They feature a solid-state composition that eliminates flammable or volatile components, significantly reducing the risk of fires under stress conditions such as crushing or overvoltage. This innovative approach enables environmentally friendly energy storage with a reduced reliance on raw materials while enhancing payload range for vehicle owners. As of 2015, Seeo operates as a subsidiary of Robert Bosch GmbH.

Gevo

Venture Round in 2009
Gevo, Inc. is a renewable fuels company based in Englewood, Colorado, focused on developing and commercializing sustainable alternatives to petroleum-based products. Founded in 2005, Gevo specializes in producing renewable fuels such as gasoline, jet fuel, and diesel, as well as chemicals derived from isobutanol, a key product made from low-carbon renewable feedstocks. The company's offerings include renewable biodiesel, sustainable aviation fuel, isobutylene, ethanol, and animal feed. Gevo is also engaged in producing renewable electricity and natural gas to support its operations. Through its various segments, Gevo conducts research and development aimed at advancing biofuels and biochemicals, including innovative technologies for the production of sustainable aviation fuel and other renewable hydrocarbon products, while actively working to reduce greenhouse gas emissions.

Virdia

Series A in 2009
Virdia, formerly known as HCL CleanTech, specializes in the development of cellulosic sugars and lignin derived from lignocellulosic biomass for applications in renewable chemicals, bio-energy, and nutrition. The company utilizes its proprietary CASE™ process, which efficiently converts a variety of feedstocks, including wood, energy crops, and agricultural residues, into refined sugars and lignin. This innovative, low-temperature method maximizes sugar yields while maintaining a minimal environmental impact through the nearly complete recycling of acids and solvents used during production. Virdia is guided by an experienced management team with extensive backgrounds in corn processing, chemicals, and biochemicals.

Ausra

Venture Round in 2009
Ausra specializes in the development and manufacturing of utility-scale solar technologies aimed at meeting global electricity demands in an environmentally sustainable manner. The company focuses on solar thermal power infrastructure, primarily utilizing compact linear Fresnel reflectors as solar collectors that generate steam for electricity production. By concentrating sunlight to boil water, Ausra's systems create high-pressure steam that drives conventional turbine generators. The company is also advancing low-cost thermal energy storage solutions, which will enable the generation of solar electric power on demand, both during the day and at night. Ausra's innovations aim to provide zero-carbon power generation that competes with fossil fuel prices while minimizing environmental impact.

Calera

Seed Round in 2009
Calera Corporation is focused on carbon sequestration, aiming to combat global warming and ocean acidification by capturing greenhouse gases, particularly carbon dioxide, from the atmosphere. Established in 2007 and headquartered in Los Gatos, California, the company works to reduce atmospheric carbon levels through innovative technologies. Calera has formed a strategic alliance with Bechtel Power Corporation to enhance its efforts in this domain.

Sakti3

Series A in 2009
Sakti3, Inc. is a Michigan-based company that specializes in the development of solid-state rechargeable lithium-ion battery technology. Founded in 2007 and currently a subsidiary of Dyson Ltd., Sakti3 focuses on creating advanced battery cells designed for use in electric vehicles and portable electronics. The company's innovative technology aims to enhance the performance and efficiency of electric cars, making them more comparable to traditional gasoline-powered vehicles. By improving battery capabilities, Sakti3 seeks to support the growing demand for sustainable energy solutions in the automotive and consumer electronics industries.

Coskata

Series C in 2008
Coskata, Inc. is a renewable energy company focused on producing liquid fuels through advanced biological processes. The company utilizes proprietary microorganisms and innovative bioreactor designs to convert various feedstocks, including natural gas, wood, and waste materials, into ethanol. By developing technologies for processing bio-refuse and synthesizing gas, Coskata aims to provide a sustainable solution for fuel production that supports economic growth, environmental protection, and national security. Through its expertise in molecular biology and process engineering, the company enables the transformation of diverse resources into valuable fuels and chemicals.

Amyris

Series B in 2008
Amyris, Inc. is a biotechnology company headquartered in Emeryville, California, specializing in the development of microbial strains to produce sustainable ingredients from renewable plant-sourced sugars. Founded in 2003, Amyris utilizes its industrial synthetic biology platform to engineer and manufacture a wide range of products, including ingredients for cosmetics, flavors, fragrances, healthcare, and fuels. The company’s innovative technology enables the conversion of plant sugars into high-value hydrocarbon molecules, providing no-compromise alternatives to petroleum-based products. Amyris operates under several trademarks, including Biofene and Biossance, and collaborates with organizations such as the Infectious Disease Research Institute to advance health-related initiatives, including vaccine development. The company generates revenue from product sales, intellectual property licensing, and collaborative research efforts, with a significant portion of its business occurring in the United States.

Ausra

Series B in 2008
Ausra specializes in the development and manufacturing of utility-scale solar technologies aimed at meeting global electricity demands in an environmentally sustainable manner. The company focuses on solar thermal power infrastructure, primarily utilizing compact linear Fresnel reflectors as solar collectors that generate steam for electricity production. By concentrating sunlight to boil water, Ausra's systems create high-pressure steam that drives conventional turbine generators. The company is also advancing low-cost thermal energy storage solutions, which will enable the generation of solar electric power on demand, both during the day and at night. Ausra's innovations aim to provide zero-carbon power generation that competes with fossil fuel prices while minimizing environmental impact.

AltaRock

Series B in 2008
AltaRock Energy, Inc., established in 2007, is a geothermal energy technology and services company. Headquartered in Seattle, Washington, with a technology development office in Sausalito, California, AltaRock specializes in the research, development, and commercialization of geothermal systems. The company's core business involves creating and enhancing geothermal power sites, offering services such as development, management, operations, and reservoir maintenance. AltaRock's innovative Engineered Geothermal Systems (EGS) technology aims to provide clean, affordable, and widely accessible renewable energy. The company's leadership includes Don O'Shei, Chief Executive Officer, and Susan Petty, President and Chief Technology Officer.

Kior

Series B in 2008
KiOR, Inc. is a renewable fuels company that specializes in producing and selling cellulosic gasoline and diesel derived from lignocellulosic biomass. Utilizing its proprietary biomass-to-cellulosic fuel technology, the company aims to supply its products to refiners, terminal and rack owners, and fleet operators for vehicle use. Founded in 2007 and headquartered in Pasadena, Texas, KiOR is focused on contributing to sustainable energy solutions by converting biomass into clean fuels.

Gevo

Series C in 2008
Gevo, Inc. is a renewable fuels company based in Englewood, Colorado, focused on developing and commercializing sustainable alternatives to petroleum-based products. Founded in 2005, Gevo specializes in producing renewable fuels such as gasoline, jet fuel, and diesel, as well as chemicals derived from isobutanol, a key product made from low-carbon renewable feedstocks. The company's offerings include renewable biodiesel, sustainable aviation fuel, isobutylene, ethanol, and animal feed. Gevo is also engaged in producing renewable electricity and natural gas to support its operations. Through its various segments, Gevo conducts research and development aimed at advancing biofuels and biochemicals, including innovative technologies for the production of sustainable aviation fuel and other renewable hydrocarbon products, while actively working to reduce greenhouse gas emissions.

Mascoma

Series C in 2008
Mascoma Corporation was founded in late 2005 with initial funding from Khosla Ventures and Flagship Ventures in early 2006. A Series B round of funding was closed in November of 2006 and a Series C round of funding was closed in May of 2008. They wish to replace the use of gasoline with cellulosic ethanol.

Infinia

Series B in 2008
Infinia Corporation is a solar energy technology company that specializes in the development of innovative power generation systems. The company's flagship product, the PowerDish, is a proprietary solar power generation device that efficiently converts solar energy into electricity. Infinia also provides micro combined heat and power systems targeted at residential energy consumers, as well as solar and biomass-powered electric generators designed for various applications, including deep space missions and remote power needs. The PowerDish is aimed at energy asset developers, utilities, and commercial companies involved in large-scale solar projects, with a global launch anticipated to have begun in late 2010.

Range Fuels

Series C in 2008
Range Fuels is a privately held company funded primarily by greentech venture capital companies, including Khosla Ventures, LLC, arguably the top venture firm in the U.S. focusing on alternative, clean energy systems. Their leadership team melds experience from the technologically intensive oil, chemical, petrochemical, coal gasification, power and gas-to-liquids industries, the renewable fuel industry, and the pulp and paper industry.

Range Fuels

Series B in 2008
Range Fuels is a privately held company funded primarily by greentech venture capital companies, including Khosla Ventures, LLC, arguably the top venture firm in the U.S. focusing on alternative, clean energy systems. Their leadership team melds experience from the technologically intensive oil, chemical, petrochemical, coal gasification, power and gas-to-liquids industries, the renewable fuel industry, and the pulp and paper industry.

Seeo

Series B in 2008
Seeo, Inc. specializes in the development and manufacturing of rechargeable lithium-ion batteries that utilize a nano-structured polymer electrolyte. Founded in 2007 and headquartered in Hayward, California, with facilities in Shanghai, China, the company serves various markets, including transportation, electric grid, and telecommunications. Seeo's batteries are designed to be safe, lightweight, and high in energy density, making them suitable for demanding applications. They feature a solid-state composition that eliminates flammable or volatile components, significantly reducing the risk of fires under stress conditions such as crushing or overvoltage. This innovative approach enables environmentally friendly energy storage with a reduced reliance on raw materials while enhancing payload range for vehicle owners. As of 2015, Seeo operates as a subsidiary of Robert Bosch GmbH.

Coskata

Series B in 2008
Coskata, Inc. is a renewable energy company focused on producing liquid fuels through advanced biological processes. The company utilizes proprietary microorganisms and innovative bioreactor designs to convert various feedstocks, including natural gas, wood, and waste materials, into ethanol. By developing technologies for processing bio-refuse and synthesizing gas, Coskata aims to provide a sustainable solution for fuel production that supports economic growth, environmental protection, and national security. Through its expertise in molecular biology and process engineering, the company enables the transformation of diverse resources into valuable fuels and chemicals.

Ausra

Debt Financing in 2008
Ausra specializes in the development and manufacturing of utility-scale solar technologies aimed at meeting global electricity demands in an environmentally sustainable manner. The company focuses on solar thermal power infrastructure, primarily utilizing compact linear Fresnel reflectors as solar collectors that generate steam for electricity production. By concentrating sunlight to boil water, Ausra's systems create high-pressure steam that drives conventional turbine generators. The company is also advancing low-cost thermal energy storage solutions, which will enable the generation of solar electric power on demand, both during the day and at night. Ausra's innovations aim to provide zero-carbon power generation that competes with fossil fuel prices while minimizing environmental impact.

Infinia

Series B in 2008
Infinia Corporation is a solar energy technology company that specializes in the development of innovative power generation systems. The company's flagship product, the PowerDish, is a proprietary solar power generation device that efficiently converts solar energy into electricity. Infinia also provides micro combined heat and power systems targeted at residential energy consumers, as well as solar and biomass-powered electric generators designed for various applications, including deep space missions and remote power needs. The PowerDish is aimed at energy asset developers, utilities, and commercial companies involved in large-scale solar projects, with a global launch anticipated to have begun in late 2010.
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