Union Square Ventures

Zeitview is an aerial data analytics platform that delivers drone services tailored for the energy and infrastructure sectors. The company employs artificial intelligence and machine learning to analyze visual data, providing actionable insights that enhance the performance and longevity of various assets. Zeitview's software is designed to monitor construction progress, assess rooftop conditions, and maintain the health of solar facilities through detailed inspections. It caters to a diverse range of industries, including solar, wind, property management, telecommunications, and utilities. By offering fast and accurate inspections, Zeitview aims to reduce costs and improve operational efficiency for its clients, enabling them to make informed, near-real-time decisions regarding their assets.

Presto is a software platform to power magical charging experiences for fleets, mobility providers, and businesses.We believe that access to reliable and affordable charging is the key to unlocking mass electrification and fighting climate change.

Cactos specializes in smart energy storage systems that enhance the efficient use of renewable energy on a global scale. The company develops distributed energy storage solutions that provide local backup power, ensuring a stable supply during outages. Additionally, Cactos supports the electrification of transportation by facilitating the end-of-life use of electric vehicle batteries, contributing to power grid stability. Its services are particularly beneficial for building owners and tenants in sectors such as manufacturing, industry, hospitality, and retail, enabling them to secure a critical power supply.

Bolt.Earth specializes in providing charging products and comprehensive solutions for electric vehicles, aiming to advance cleaner mobility in emerging markets. As the leading provider of electric vehicle charging infrastructure in India, Bolt.Earth has established a network of over 20,000 charging points. The company operates a platform that facilitates the discovery of nearby charging locations and offers over-the-air updates to enhance user experience. This platform supports fleets, vehicle owners, and automobile businesses in adopting smart and sustainable services, contributing to a greener future. Through its innovative approach, Bolt.Earth is committed to promoting electric vehicle adoption and transforming transportation in regions with growing demand for eco-friendly mobility solutions.

Radiant is a clean energy startup based in Los Angeles, California, that specializes in the development of portable nuclear microreactors. Founded in 2019, the company aims to provide an alternative to fossil fuels through its innovative microreactor technology. Designed to fit within a shipping container, these reactors can be easily transported by air, ship, or road, making them suitable for both military and commercial applications. The Kaleidos microreactor, in particular, is notable for offering a zero-emissions power source, ideal for remote locations and critical power needs.

Zanskar is a geothermal exploration and technology company focused on accelerating the discovery and development of geothermal energy resources. The company utilizes a predictive platform that leverages extensive data sets and advanced subsurface characterization technology. By integrating artificial intelligence and sophisticated sensing techniques, Zanskar enhances the exploration process, allowing clients to uncover previously unknown geothermal resources while minimizing associated risks. Through its innovative approach, Zanskar aims to contribute to the growth and sustainability of geothermal energy as a viable alternative energy source.

Anthro is an advanced materials company focused on innovating energy storage solutions for the battery-powered future. It specializes in developing flexible battery technology aimed at enhancing the capacity of wearable electronic devices. By transforming traditional lithium-ion batteries through patented polymer electrolyte technology, Anthro creates a polymeric supramolecular lithium-ion conductor that combines mechanical and ionic properties. This innovation allows device manufacturers to produce flexible and safe batteries, contributing to a more electrified future. The company is supported by leading investors and various government grants, positioning it at the forefront of energy storage advancements.

Transmutex is a Swiss company founded in 2019 that specializes in advanced nuclear technology aimed at significantly reducing the stockpile of existing nuclear waste. The company utilizes particle accelerators to transmute long-lived nuclear waste, transforming it into less harmful materials while simultaneously generating carbon-free energy. This innovative approach offers a solution to the challenges faced by traditional nuclear power plants, allowing for scalable energy production that can either be reintegrated into the energy grid or utilized for green hydrogen production. The team at Transmutex comprises physicists, computer scientists, and environmentalists, and builds upon technologies previously tested at CERN and the Paul Scherrer Institute.

Ostrom is an energy platform focused on facilitating the transition to renewable energy by making it more accessible and inclusive for consumers. The company provides a digital platform that allows users to effortlessly switch to green energy, manage their electricity consumption, and track usage through automated meter readings. Ostrom offers a flexible monthly billing system that emphasizes transparency and stores contract details, ensuring a user-friendly experience. Additionally, the platform features a multilingual interface, enabling a diverse range of customers to engage with green energy options at competitive rates without the burden of monthly lock-ins.

Odyssey Energy Solutions, founded in 2017 and based in Boulder, Colorado, offers a web-based data platform designed to streamline the development and deployment of mini-grids in emerging markets. The platform enables project developers to effectively manage and analyze mini-grid data through various software tools and data analytics. By facilitating communication and connection among developers, financiers, vendors, and governmental and donor organizations, Odyssey enhances collaboration within the mini-grid sector, ultimately supporting sustainable energy solutions in underserved regions.

CarbonChain offers a carbon accounting platform designed to assist organizations in monitoring and managing their greenhouse gas emissions throughout their supply chains. The platform is particularly focused on high-emission sectors such as metals, mining, agriculture, and manufacturing. By identifying emissions associated with various transactions, CarbonChain enables businesses to make informed decisions that mitigate their climate impact and adapt to evolving carbon pricing. This capability not only helps companies protect their supply chains but also promotes a transition toward a net-zero economy by highlighting the immediate benefits of sustainable practices.

Noya is focused on addressing climate change by retrofitting existing industrial equipment to capture carbon dioxide from the atmosphere. The company's innovative technology utilizes a non-toxic chemical blend that is added to the cooling towers of various industries without requiring any structural modifications. This approach allows for effective CO2 capture while enabling businesses to contribute to environmental sustainability. By selling the captured carbon dioxide to companies that utilize it as a raw material, Noya facilitates a practical and scalable solution for reducing carbon emissions and promoting a transition towards a carbon-negative future.

Zeitview is an aerial data analytics platform that delivers drone services tailored for the energy and infrastructure sectors. The company employs artificial intelligence and machine learning to analyze visual data, providing actionable insights that enhance the performance and longevity of various assets. Zeitview's software is designed to monitor construction progress, assess rooftop conditions, and maintain the health of solar facilities through detailed inspections. It caters to a diverse range of industries, including solar, wind, property management, telecommunications, and utilities. By offering fast and accurate inspections, Zeitview aims to reduce costs and improve operational efficiency for its clients, enabling them to make informed, near-real-time decisions regarding their assets.

Ostrom is an energy platform focused on facilitating the transition to renewable energy by making it more accessible and inclusive for consumers. The company provides a digital platform that allows users to effortlessly switch to green energy, manage their electricity consumption, and track usage through automated meter readings. Ostrom offers a flexible monthly billing system that emphasizes transparency and stores contract details, ensuring a user-friendly experience. Additionally, the platform features a multilingual interface, enabling a diverse range of customers to engage with green energy options at competitive rates without the burden of monthly lock-ins.

Lithos Carbon is an agricultural carbon removal company focused on developing innovative carbon capture technology for farms. Founded in March 2022 by experienced entrepreneurs and experts in atmospheric geochemistry, the company aims to transform farmland into carbon capture centers, with a goal of removing one billion tons of CO2 from the atmosphere this decade while enhancing crop yields. Lithos Carbon's technology includes an optimization platform tailored to individual fields and crops, designed to improve agricultural productivity and soil health. The company's approach employs isotope dilution technology and novel soil models, utilizing machine learning to enhance mineral weathering through the application of basalt on croplands. This method not only fosters the removal of carbon dioxide but also supports farmers in increasing crop growth. Lithos Carbon's solutions are cost-effective and scalable, with a focus on empirical measurement to ensure effectiveness.

Anthro is an advanced materials company focused on innovating energy storage solutions for the battery-powered future. It specializes in developing flexible battery technology aimed at enhancing the capacity of wearable electronic devices. By transforming traditional lithium-ion batteries through patented polymer electrolyte technology, Anthro creates a polymeric supramolecular lithium-ion conductor that combines mechanical and ionic properties. This innovation allows device manufacturers to produce flexible and safe batteries, contributing to a more electrified future. The company is supported by leading investors and various government grants, positioning it at the forefront of energy storage advancements.

Molten Industries focuses on developing clean technology aimed at decarbonizing the hydrogen market. The company provides a cost-effective and environmentally friendly method for hydrogen production, which allows chemical and heavy industries to significantly reduce their carbon emissions. Through its innovative solutions, Molten Industries contributes to the transition towards sustainable energy practices.

Zanskar is a geothermal exploration and technology company focused on accelerating the discovery and development of geothermal energy resources. The company utilizes a predictive platform that leverages extensive data sets and advanced subsurface characterization technology. By integrating artificial intelligence and sophisticated sensing techniques, Zanskar enhances the exploration process, allowing clients to uncover previously unknown geothermal resources while minimizing associated risks. Through its innovative approach, Zanskar aims to contribute to the growth and sustainability of geothermal energy as a viable alternative energy source.

XFuel is a company that specializes in producing sustainable and net-zero drop-in fuels for road, marine, and aviation applications. Founded in 2010 and headquartered in Dublin, Ireland, with a presence in Palma de Mallorca, Spain, XFuel has developed innovative technology for the efficient and cost-effective conversion of biomass waste into low-carbon fuels. The company’s advanced fuels generate up to 85% fewer greenhouse gas emissions compared to conventional fossil fuel production, positioning them as a cleaner alternative in the transport sector. By providing decentralized and sustainable fuel solutions, XFuel aims to support distributors and consumers globally in reducing reliance on fossil fuels while working towards carbon-neutral and even carbon-negative fuel options.

Toucan is focused on developing technology to enhance the voluntary carbon market by creating a transparent and high-integrity digital infrastructure. The company aims to unlock climate action at scale by increasing the flow of revenue to effective climate impact projects. As an early player in the market for tokenized credits, Toucan's technology is designed to integrate both established and emerging environmental assets onto the blockchain. Through its efforts, Toucan seeks to build a regenerative financial system that addresses climate change and supports sustainable practices.

Shift EV is an electric mobility technology startup focused on developing electric vehicle batteries specifically for commercial vehicles. The company aims to facilitate the transition to electric fleets, particularly in emerging markets. Shift EV equips fleet owners, operators, and financiers with essential data regarding electric vehicle operations, including potential savings, electricity consumption, emissions reduction, available battery range, and mileage. Additionally, Shift EV employs proprietary electro-fitting technology, which allows the conversion of conventional vehicles into electric-run vehicles, contributing to reduced environmental pollution and conservation of natural resources.

Brilliant Planet focuses on the production of algal biomass as a sustainable solution for carbon sequestration at a gigaton scale. The company utilizes open-air pond-based systems to cultivate extensive quantities of microalgae on coastal desert land, employing a natural growth process that does not require fresh water. This innovative approach not only contributes to ocean and air health but also addresses the increasing demand for protein. By leveraging the potential of algae, Brilliant Planet offers an affordable and effective method for permanently and quantifiably removing carbon from the atmosphere.

Radiant is a clean energy startup based in Los Angeles, California, that specializes in the development of portable nuclear microreactors. Founded in 2019, the company aims to provide an alternative to fossil fuels through its innovative microreactor technology. Designed to fit within a shipping container, these reactors can be easily transported by air, ship, or road, making them suitable for both military and commercial applications. The Kaleidos microreactor, in particular, is notable for offering a zero-emissions power source, ideal for remote locations and critical power needs.

Zeitview is an aerial data analytics platform that delivers drone services tailored for the energy and infrastructure sectors. The company employs artificial intelligence and machine learning to analyze visual data, providing actionable insights that enhance the performance and longevity of various assets. Zeitview's software is designed to monitor construction progress, assess rooftop conditions, and maintain the health of solar facilities through detailed inspections. It caters to a diverse range of industries, including solar, wind, property management, telecommunications, and utilities. By offering fast and accurate inspections, Zeitview aims to reduce costs and improve operational efficiency for its clients, enabling them to make informed, near-real-time decisions regarding their assets.

Bolt.Earth specializes in providing charging products and comprehensive solutions for electric vehicles, aiming to advance cleaner mobility in emerging markets. As the leading provider of electric vehicle charging infrastructure in India, Bolt.Earth has established a network of over 20,000 charging points. The company operates a platform that facilitates the discovery of nearby charging locations and offers over-the-air updates to enhance user experience. This platform supports fleets, vehicle owners, and automobile businesses in adopting smart and sustainable services, contributing to a greener future. Through its innovative approach, Bolt.Earth is committed to promoting electric vehicle adoption and transforming transportation in regions with growing demand for eco-friendly mobility solutions.

Transmutex is a Swiss company founded in 2019 that specializes in advanced nuclear technology aimed at significantly reducing the stockpile of existing nuclear waste. The company utilizes particle accelerators to transmute long-lived nuclear waste, transforming it into less harmful materials while simultaneously generating carbon-free energy. This innovative approach offers a solution to the challenges faced by traditional nuclear power plants, allowing for scalable energy production that can either be reintegrated into the energy grid or utilized for green hydrogen production. The team at Transmutex comprises physicists, computer scientists, and environmentalists, and builds upon technologies previously tested at CERN and the Paul Scherrer Institute.

Zeitview is an aerial data analytics platform that delivers drone services tailored for the energy and infrastructure sectors. The company employs artificial intelligence and machine learning to analyze visual data, providing actionable insights that enhance the performance and longevity of various assets. Zeitview's software is designed to monitor construction progress, assess rooftop conditions, and maintain the health of solar facilities through detailed inspections. It caters to a diverse range of industries, including solar, wind, property management, telecommunications, and utilities. By offering fast and accurate inspections, Zeitview aims to reduce costs and improve operational efficiency for its clients, enabling them to make informed, near-real-time decisions regarding their assets.

Remora is a company that develops an emission-controlling device for semi-trucks, designed to capture at least 80% of carbon emissions directly from the tailpipe. The device is mounted between the cab and trailer, utilizing a solid sorbent that selectively binds with carbon dioxide molecules in the exhaust stream. This technology regenerates using exhaust heat, ensuring efficient operation without clogging. By capturing carbon emissions, Remora enables companies to meet their climate commitments and earn credits for the carbon dioxide collected. The captured CO2 is sold to end-users for long-term storage, and the revenue generated is shared with customers, allowing the device to pay for itself within a few years.

Zeitview is an aerial data analytics platform that delivers drone services tailored for the energy and infrastructure sectors. The company employs artificial intelligence and machine learning to analyze visual data, providing actionable insights that enhance the performance and longevity of various assets. Zeitview's software is designed to monitor construction progress, assess rooftop conditions, and maintain the health of solar facilities through detailed inspections. It caters to a diverse range of industries, including solar, wind, property management, telecommunications, and utilities. By offering fast and accurate inspections, Zeitview aims to reduce costs and improve operational efficiency for its clients, enabling them to make informed, near-real-time decisions regarding their assets.

Wren is a technology company that operates a web application designed to help individuals and organizations achieve carbon neutrality by accurately accounting for and offsetting CO2 emissions. Founded in 2019 and headquartered in San Jose, California, Wren focuses on creating tools that empower users to take action against climate change. The company offers a subscription service, which not only assists users in their sustainability efforts but also provides funding for future developments aimed at addressing environmental challenges. Through its innovative approach, Wren seeks to establish a sustainable business model that effectively tackles the pressing issue of climate change.

Zeitview is an aerial data analytics platform that delivers drone services tailored for the energy and infrastructure sectors. The company employs artificial intelligence and machine learning to analyze visual data, providing actionable insights that enhance the performance and longevity of various assets. Zeitview's software is designed to monitor construction progress, assess rooftop conditions, and maintain the health of solar facilities through detailed inspections. It caters to a diverse range of industries, including solar, wind, property management, telecommunications, and utilities. By offering fast and accurate inspections, Zeitview aims to reduce costs and improve operational efficiency for its clients, enabling them to make informed, near-real-time decisions regarding their assets.

Zeitview is an aerial data analytics platform that delivers drone services tailored for the energy and infrastructure sectors. The company employs artificial intelligence and machine learning to analyze visual data, providing actionable insights that enhance the performance and longevity of various assets. Zeitview's software is designed to monitor construction progress, assess rooftop conditions, and maintain the health of solar facilities through detailed inspections. It caters to a diverse range of industries, including solar, wind, property management, telecommunications, and utilities. By offering fast and accurate inspections, Zeitview aims to reduce costs and improve operational efficiency for its clients, enabling them to make informed, near-real-time decisions regarding their assets.

Zeitview is an aerial data analytics platform that delivers drone services tailored for the energy and infrastructure sectors. The company employs artificial intelligence and machine learning to analyze visual data, providing actionable insights that enhance the performance and longevity of various assets. Zeitview's software is designed to monitor construction progress, assess rooftop conditions, and maintain the health of solar facilities through detailed inspections. It caters to a diverse range of industries, including solar, wind, property management, telecommunications, and utilities. By offering fast and accurate inspections, Zeitview aims to reduce costs and improve operational efficiency for its clients, enabling them to make informed, near-real-time decisions regarding their assets.

Mombak is a carbon removal company dedicated to reforesting the Amazon. It specializes in cultivating native, biodiverse forests that effectively remove carbon from the atmosphere while ensuring high integrity in its projects. The company's initiatives are designed to achieve significant additionality and durability, with minimal leakage, thus enhancing biodiversity and supporting socioeconomic development in local communities. Mombak's team consists of experts in science, technology, forestry, and carbon markets, all working together to improve forestry practices and contribute to a sustainable future.

Volteras is a developer of software focused on electric vehicles and connected car technology. The company collects, standardizes, and optimizes data from various energy devices, including chargers, heat pumps, home batteries, and solar inverters, into a unified data model. Through its platform, Volteras Connect, businesses can leverage this data to gain insights into electric vehicle performance under real-world conditions. The software facilitates the creation of new revenue streams, cost reduction, and the development of innovative business models. Volteras aims to serve as a vital link between electric vehicles and the broader ecosystem of energy suppliers and related technologies.

Bolt.Earth specializes in providing charging products and comprehensive solutions for electric vehicles, aiming to advance cleaner mobility in emerging markets. As the leading provider of electric vehicle charging infrastructure in India, Bolt.Earth has established a network of over 20,000 charging points. The company operates a platform that facilitates the discovery of nearby charging locations and offers over-the-air updates to enhance user experience. This platform supports fleets, vehicle owners, and automobile businesses in adopting smart and sustainable services, contributing to a greener future. Through its innovative approach, Bolt.Earth is committed to promoting electric vehicle adoption and transforming transportation in regions with growing demand for eco-friendly mobility solutions.