Zero Industrial
Series A in 2025
Zero Industrial, based in Charleston, South Carolina, specializes in developing thermal energy storage (TES) projects. The company helps industrial clients reduce emissions, lower costs, and mitigate energy volatility by decarbonizing their heat processes. It offers services including project development, electricity procurement and hedging, third-party financing, and efficient operations and maintenance.
Summit Nanotech Corporation
Venture Round in 2025
Summit Nanotech Corporation is a Calgary-based cleantech company developing direct lithium extraction technology for lithium producers, with modular systems designed for scalable deployment and a focus on sustainable, water-efficient operations. Founded in 2018, it collaborates with mining companies and lithium asset owners in Chile and Argentina to reduce environmental impact and lower costs compared with traditional methods.
Planetary
Series A in 2024
Planetary Hydrogen is a company focused on producing clean hydrogen while capturing atmospheric carbon through innovative ocean alkalinity enhancement. The company develops advanced ocean-based carbon removal technologies designed to accelerate the natural carbon cycle. Its system works by purifying alkaline rock waste resulting from large-scale mining operations, extracting alkalinity, and introducing it into the ocean. This process aims to rebalance ocean chemistry and facilitate the carbon transition. Planetary Hydrogen is committed to removing one billion tonnes of carbon dioxide from the atmosphere by 2035, contributing to global efforts in combating climate change.
ZwitterCo
Series B in 2024
ZwitterCo specializes in advanced membrane solutions for the treatment of highly impaired wastewater, enabling the reuse and recycling of water resources in industrial applications. The company's innovative reverse osmosis and nanofiltration technologies address the challenges of treating historically unfilterable streams by preventing fouling caused by organic molecules. ZwitterCo's membranes are chlorine-tolerant, back-washable, and resistant to irreversible fouling, which enhances their longevity and performance. By transforming wastewater from a liability into a valuable resource, ZwitterCo helps clients manage their water treatment needs more economically and sustainably, reducing chemical demands and improving operational efficiency.
e-Zinc develops innovative electrochemical technology for energy storage using zinc metal. This low-cost, flexible solution enables long-duration energy storage, facilitating a transition to renewable energy and a zero-carbon future.
Summit Nanotech Corporation
Series A in 2023
Summit Nanotech Corporation is a Calgary-based cleantech company developing direct lithium extraction technology for lithium producers, with modular systems designed for scalable deployment and a focus on sustainable, water-efficient operations. Founded in 2018, it collaborates with mining companies and lithium asset owners in Chile and Argentina to reduce environmental impact and lower costs compared with traditional methods.
Syzygy Plasmonics
Series C in 2022
Syzygy Plasmonics, Inc. is a Houston-based company that specializes in the design, development, and manufacturing of photocatalytic reactor systems for industrial chemical reactions. Founded in 2017, the company focuses on creating reactors that facilitate the generation of fuel cell quality hydrogen from ammonia, specifically for small-to-medium-scale applications. These advanced reactors operate at significantly lower temperatures than traditional chemical reactors, allowing for reduced maintenance costs and the ability to quickly start or stop production. By utilizing light as an energy source, Syzygy Plasmonics enables the integration of renewable electricity into chemical manufacturing, contributing to the decarbonization of various industries and supporting the on-site production of ultra-low-cost hydrogen gas for fuel cell vehicles.
Twelve, formerly known as Opus 12, is a Berkeley, California-based company that specializes in recycling carbon dioxide emissions into valuable chemicals and fuels. Founded in 2015, the company has developed innovative technology that can be integrated with any source of CO₂ emissions. By utilizing only water and electricity as inputs, Twelve transforms captured carbon dioxide into essential products such as methane, ethylene, and ethanol. The firm aims to provide a cost-competitive alternative to petroleum-derived chemicals and fuels, thereby addressing carbon emissions while simultaneously creating economically viable solutions.
Syzygy Plasmonics
Series B in 2021
Syzygy Plasmonics, Inc. is a Houston-based company that specializes in the design, development, and manufacturing of photocatalytic reactor systems for industrial chemical reactions. Founded in 2017, the company focuses on creating reactors that facilitate the generation of fuel cell quality hydrogen from ammonia, specifically for small-to-medium-scale applications. These advanced reactors operate at significantly lower temperatures than traditional chemical reactors, allowing for reduced maintenance costs and the ability to quickly start or stop production. By utilizing light as an energy source, Syzygy Plasmonics enables the integration of renewable electricity into chemical manufacturing, contributing to the decarbonization of various industries and supporting the on-site production of ultra-low-cost hydrogen gas for fuel cell vehicles.
Quidnet Energy
Series B in 2020
Founded in 2013, Quidnet Energy develops grid-scale energy storage systems using a unique hydroelectric technology. The company stores excess renewable energy by pumping water under pressure into underground geological reservoirs and releases it to drive hydroelectric turbines when needed. This process enables seamless integration with existing electricity-generating facilities at a lower cost than lithium-ion batteries.
Syzygy Plasmonics
Series A in 2019
Syzygy Plasmonics, Inc. is a Houston-based company that specializes in the design, development, and manufacturing of photocatalytic reactor systems for industrial chemical reactions. Founded in 2017, the company focuses on creating reactors that facilitate the generation of fuel cell quality hydrogen from ammonia, specifically for small-to-medium-scale applications. These advanced reactors operate at significantly lower temperatures than traditional chemical reactors, allowing for reduced maintenance costs and the ability to quickly start or stop production. By utilizing light as an energy source, Syzygy Plasmonics enables the integration of renewable electricity into chemical manufacturing, contributing to the decarbonization of various industries and supporting the on-site production of ultra-low-cost hydrogen gas for fuel cell vehicles.
Twelve, formerly known as Opus 12, is a Berkeley, California-based company that specializes in recycling carbon dioxide emissions into valuable chemicals and fuels. Founded in 2015, the company has developed innovative technology that can be integrated with any source of CO₂ emissions. By utilizing only water and electricity as inputs, Twelve transforms captured carbon dioxide into essential products such as methane, ethylene, and ethanol. The firm aims to provide a cost-competitive alternative to petroleum-derived chemicals and fuels, thereby addressing carbon emissions while simultaneously creating economically viable solutions.
Metabolik
Seed Round in 2019
Metabolik Technologies, Inc. is a Canadian company that specializes in developing a bioremediation platform aimed at addressing environmental challenges associated with oil sands tailings ponds. Incorporated in 2016, the company focuses on reducing the concentration of naphthenic acids and other contaminants through an efficient and scalable treatment process. This platform offers a passive organic solution that requires limited infrastructure and minimal energy and operational costs, making it a practical option for clients seeking effective management of environmental pollutants. Metabolik's innovative approach positions it as a significant player in the field of bioremediation technology.
Quidnet Energy
Series A in 2018
Founded in 2013, Quidnet Energy develops grid-scale energy storage systems using a unique hydroelectric technology. The company stores excess renewable energy by pumping water under pressure into underground geological reservoirs and releases it to drive hydroelectric turbines when needed. This process enables seamless integration with existing electricity-generating facilities at a lower cost than lithium-ion batteries.
Syzygy Plasmonics
Seed Round in 2018
Syzygy Plasmonics, Inc. is a Houston-based company that specializes in the design, development, and manufacturing of photocatalytic reactor systems for industrial chemical reactions. Founded in 2017, the company focuses on creating reactors that facilitate the generation of fuel cell quality hydrogen from ammonia, specifically for small-to-medium-scale applications. These advanced reactors operate at significantly lower temperatures than traditional chemical reactors, allowing for reduced maintenance costs and the ability to quickly start or stop production. By utilizing light as an energy source, Syzygy Plasmonics enables the integration of renewable electricity into chemical manufacturing, contributing to the decarbonization of various industries and supporting the on-site production of ultra-low-cost hydrogen gas for fuel cell vehicles.
Ekona Power
Seed Round in 2017
Ekona Power develops renewable energy generation technology to produce industrial-scale hydrogen. It converts natural gas into clean hydrogen, electricity, and carbon dioxide, serving industrial H2 consumers and natural gas transmission/distribution companies.
Harbo Technologies
Series A in 2017
HARBO Technologies Ltd. specializes in solutions for preventing the severe consequences of oil spills. Based in Tel Aviv, Israel, the company was founded in 2012 and has developed the T-Fence immediate booming system, which features a compact vessel that can produce and deploy an offshore containment boom. This system is designed for rapid deployment by as few as two individuals, making it highly effective in responding to spills from various sources, including large ships, oil rigs, ports, and coastal infrastructure. HARBO's solutions cater to a range of sectors such as marine agriculture, oil spill response, and tourism, enabling organizations to mitigate the environmental and economic impacts of oil spills swiftly and efficiently. The lightweight design of the T-Fence system allows for use in remote locations, requiring minimal logistical support for effective operation.
Twelve, formerly known as Opus 12, is a Berkeley, California-based company that specializes in recycling carbon dioxide emissions into valuable chemicals and fuels. Founded in 2015, the company has developed innovative technology that can be integrated with any source of CO₂ emissions. By utilizing only water and electricity as inputs, Twelve transforms captured carbon dioxide into essential products such as methane, ethylene, and ethanol. The firm aims to provide a cost-competitive alternative to petroleum-derived chemicals and fuels, thereby addressing carbon emissions while simultaneously creating economically viable solutions.
Metabolik
Seed Round in 2016
Metabolik Technologies, Inc. is a Canadian company that specializes in developing a bioremediation platform aimed at addressing environmental challenges associated with oil sands tailings ponds. Incorporated in 2016, the company focuses on reducing the concentration of naphthenic acids and other contaminants through an efficient and scalable treatment process. This platform offers a passive organic solution that requires limited infrastructure and minimal energy and operational costs, making it a practical option for clients seeking effective management of environmental pollutants. Metabolik's innovative approach positions it as a significant player in the field of bioremediation technology.