Union Square Ventures
Union Square Ventures is a New York-based venture capital firm founded in 2003 that invests across stages from seed to growth in internet-enabled companies. It concentrates on the applications layer of the web, internet services, and mobile platforms that build large networks and benefit from network effects. The firm seeks opportunities where information technology enables scalable business models in sectors such as media, marketing, fintech, climate tech, cryptonetworks, healthcare, and IT-enabled services. Typical initial investments start around $1 million, with larger commitments in select Series A rounds and total checks often reaching up to $20 million per company. It aims to lead investments and maintains active involvement with founders. Primary focus markets include New York, San Francisco, London, and Berlin, reflecting a global footprint with network-driven growth.
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Past deals in Energy Storage
Presto
Seed Round in 2025
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
Venture Round in 2025
Cactos specializes in smart energy storage systems designed to optimize energy usage and ensure reliable power supply. Their systems are installed on client premises, providing backup power during outages and supporting renewable energy integration.
David Energy
Series A in 2024
David Energy is an innovative energy company that optimizes electricity consumption and management via advanced software and hardware solutions. It aims to reduce costs, increase renewable energy adoption, and enhance sustainability through smart energy management.
UNIGRID
Series A in 2024
UNIGRID develops sustainable and affordable sodium-based batteries using abundant materials. They aim to put a battery into every home, the grid, and other distributed energy storage applications. They use dense Na-alloy and a non-flammable electrolyte, which led to high energy density and improved safety.
Anthro Energy
Series A in 2024
Anthro Energy is developing advanced battery technologies to address key challenges in energy storage. They focus on creating ruggedized batteries that enhance safety and enable an electrified future.
Transmutex
Series A in 2024
Transmutex is a Swiss company founded in 2019 that specializes in innovative nuclear technology aimed at significantly reducing existing nuclear waste. The company leverages advanced techniques, including particle accelerators, to transmute long-lived nuclear waste into less harmful materials while simultaneously generating carbon-free energy. This energy can be reintegrated into the power grid or utilized for green hydrogen production. Comprising a diverse team of physicists, computer scientists, and environmentalists, Transmutex is pioneering a new approach to nuclear energy that offers scalable, carbon-free solutions without the typical challenges associated with conventional nuclear power plants.
Leap
Venture Round in 2023
Leap is a marketplace for Distributed Energy Resources to participate in the energy market. It allows every connected device to help balance the grid, and get paid for it and access wholesale markets through a single API and help build the flexible, renewable grid of the future.
Leap aims to make global energy markets accessible to anyone, starting with demand response and expanding into generation and ancillary services.
Leap was founded by Thomas Folker and Remco Van Den Elzen.
Odyssey
Series A in 2023
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.
Anthro Energy
Seed Round in 2022
Anthro Energy is developing advanced battery technologies to address key challenges in energy storage. They focus on creating ruggedized batteries that enhance safety and enable an electrified future.
David Energy
Series A in 2022
David Energy is an innovative energy company that optimizes electricity consumption and management via advanced software and hardware solutions. It aims to reduce costs, increase renewable energy adoption, and enhance sustainability through smart energy management.
Leap
Series B in 2021
Leap is a marketplace for Distributed Energy Resources to participate in the energy market. It allows every connected device to help balance the grid, and get paid for it and access wholesale markets through a single API and help build the flexible, renewable grid of the future.
Leap aims to make global energy markets accessible to anyone, starting with demand response and expanding into generation and ancillary services.
Leap was founded by Thomas Folker and Remco Van Den Elzen.
Transmutex
Series A in 2021
Transmutex is a Swiss company founded in 2019 that specializes in innovative nuclear technology aimed at significantly reducing existing nuclear waste. The company leverages advanced techniques, including particle accelerators, to transmute long-lived nuclear waste into less harmful materials while simultaneously generating carbon-free energy. This energy can be reintegrated into the power grid or utilized for green hydrogen production. Comprising a diverse team of physicists, computer scientists, and environmentalists, Transmutex is pioneering a new approach to nuclear energy that offers scalable, carbon-free solutions without the typical challenges associated with conventional nuclear power plants.
Remora
Seed Round in 2021
Remora develops carbon capture technology tailored for trains and trucks. Their device extracts at least 80% of a semi-truck's carbon emissions directly from the tailpipe, purifies it, and sells the CO2 to end-users for long-term storage. This generates revenue for fleet operators, enabling reduced emissions and addressing national CO2 shortages.
David Energy
Series A in 2020
David Energy is an innovative energy company that optimizes electricity consumption and management via advanced software and hardware solutions. It aims to reduce costs, increase renewable energy adoption, and enhance sustainability through smart energy management.
Leap
Series A in 2020
Leap is a marketplace for Distributed Energy Resources to participate in the energy market. It allows every connected device to help balance the grid, and get paid for it and access wholesale markets through a single API and help build the flexible, renewable grid of the future.
Leap aims to make global energy markets accessible to anyone, starting with demand response and expanding into generation and ancillary services.
Leap was founded by Thomas Folker and Remco Van Den Elzen.
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