Union Square Ventures

Founded in 2003, Union Square Ventures is a venture capital firm based in New York. It specializes in early to late-stage investments in internet-focused companies, with a focus on web services creating large networks and innovative use of information technology across industries like media, marketing, fintech, climate tech, and healthcare.

Mona Alsubaei

Analyst

Hanel Baveja

Analyst

Brad Burnham

Partner

John Buttrick

Partner

Grace Carney

Analyst

Nick Grossman

General Partner

Rebecca Kaden

General Partner

Matt Mandel

Analyst

Hannah Murdoch

Analyst

Nikhil Raman

Analyst

Andy Weissman

Partner

Fred Wilson

Partner

Past deals in Energy

Zeitview

Venture Round in 2025
Zeitview is an aerial data analytics company specializing in drone services for energy and infrastructure sectors. It uses AI and machine learning to analyze visual data, providing actionable insights that enhance asset performance and longevity. Zeitview serves industries such as solar, wind, property management, telecommunications, and utilities.

Radiant

Series C in 2024
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 for both military and commercial applications. Its flagship product, the Kaleidos microreactor, is designed to fit within a shipping container, allowing for transportation by air, ship, and road. This innovative microreactor serves as a zero-emissions power source, making it particularly suitable for remote locations and critical applications where traditional diesel generators are typically used.

Glow Labs

Venture Round in 2024
Solar farms on the Glow network are paid with GLW tokens for electricity output and stablecoins for carbon credits. According to the business, their incentive model prioritizes incentives for solar farms with the greatest environmental benefit, focusing on places where clean energy can best balance high carbon emissions.

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.

Zanskar

Series B in 2024
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 informed by extensive data, which includes subsurface characterization technology and advanced sensing techniques. By integrating artificial intelligence and big data, Zanskar enhances the exploration process and helps clients identify previously unknown geothermal resources, ultimately reducing the risks associated with such endeavors. Through its innovative approach, Zanskar aims to contribute to the advancement of geothermal energy as a sustainable resource.

Blixt

Seed Round in 2024
Blixt designs and manufactures semiconductor-based circuit breakers and household fuses to support smart metering and smart grid services. Its solid-state technology platform includes circuit breakers and next-generation battery system architecture, delivering a more reliable, flexible, and efficient electricity infrastructure and enabling software-defined power through real-time control of currents and voltages.

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.

Ostrom

Series A in 2023
Ostrom facilitates the transition to renewable energy by making it accessible and inclusive for consumers. It offers a digital platform that enables users to effortlessly switch to, track, and reduce their electricity consumption.

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.

Zeitview

Series E in 2023
Zeitview is an aerial data analytics company specializing in drone services for energy and infrastructure sectors. It uses AI and machine learning to analyze visual data, providing actionable insights that enhance asset performance and longevity. Zeitview serves industries such as solar, wind, property management, telecommunications, and utilities.

Ostrom

Series A in 2022
Ostrom facilitates the transition to renewable energy by making it accessible and inclusive for consumers. It offers a digital platform that enables users to effortlessly switch to, track, and reduce their electricity consumption.

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.

Zanskar

Series A in 2022
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 informed by extensive data, which includes subsurface characterization technology and advanced sensing techniques. By integrating artificial intelligence and big data, Zanskar enhances the exploration process and helps clients identify previously unknown geothermal resources, ultimately reducing the risks associated with such endeavors. Through its innovative approach, Zanskar aims to contribute to the advancement of geothermal energy as a sustainable resource.

XFuel

Venture Round in 2022
XFuel is a company focused on producing sustainable and net-zero advanced fuels for the road, marine, and aviation sectors. Founded in 2010 and headquartered in Dublin, Ireland, with additional operations in Palma de Mallorca, Spain, XFuel has developed innovative technology for the efficient conversion of biomass waste into low-carbon fuels. This process results in a clean, drop-in fuel that can be utilized by distributors and consumers globally, offering a cost-effective alternative to traditional fossil fuels. XFuel's production methods lead to up to 85% fewer greenhouse gas emissions compared to conventional fuel production, with a clear pathway towards achieving carbon-neutral and carbon-negative fuel solutions.

Brilliant Planet

Series A in 2022
Brilliant Planet develops algae-based biomass production to permanently sequester carbon at large scale using open-air pond systems on coastal desert land. The approach grows microalgae without fresh water, leveraging natural processes to sequester carbon while supporting ocean and air health, and it also provides a source of protein to meet rising demand.

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.

Radiant

Series A in 2022
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 for both military and commercial applications. Its flagship product, the Kaleidos microreactor, is designed to fit within a shipping container, allowing for transportation by air, ship, and road. This innovative microreactor serves as a zero-emissions power source, making it particularly suitable for remote locations and critical applications where traditional diesel generators are typically used.

Zeitview

Venture Round in 2021
Zeitview is an aerial data analytics company specializing in drone services for energy and infrastructure sectors. It uses AI and machine learning to analyze visual data, providing actionable insights that enhance asset performance and longevity. Zeitview serves industries such as solar, wind, property management, telecommunications, and utilities.

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.

Zeitview

Series C in 2021
Zeitview is an aerial data analytics company specializing in drone services for energy and infrastructure sectors. It uses AI and machine learning to analyze visual data, providing actionable insights that enhance asset performance and longevity. Zeitview serves industries such as solar, wind, property management, telecommunications, and utilities.

Zeitview

Series C in 2020
Zeitview is an aerial data analytics company specializing in drone services for energy and infrastructure sectors. It uses AI and machine learning to analyze visual data, providing actionable insights that enhance asset performance and longevity. Zeitview serves industries such as solar, wind, property management, telecommunications, and utilities.

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.

Zeitview

Series B in 2018
Zeitview is an aerial data analytics company specializing in drone services for energy and infrastructure sectors. It uses AI and machine learning to analyze visual data, providing actionable insights that enhance asset performance and longevity. Zeitview serves industries such as solar, wind, property management, telecommunications, and utilities.

Zeitview

Series A in 2016
Zeitview is an aerial data analytics company specializing in drone services for energy and infrastructure sectors. It uses AI and machine learning to analyze visual data, providing actionable insights that enhance asset performance and longevity. Zeitview serves industries such as solar, wind, property management, telecommunications, and utilities.

Zeitview

Seed Round in 2015
Zeitview is an aerial data analytics company specializing in drone services for energy and infrastructure sectors. It uses AI and machine learning to analyze visual data, providing actionable insights that enhance asset performance and longevity. Zeitview serves industries such as solar, wind, property management, telecommunications, and utilities.

Avoidance of Mass Extinctions Engine

Series B in 2010
AMEE is dedicated to offering credible environmental data for organizations globally, starting with a focus on 2.7 million entities in the UK. The company aims to enhance decision-making regarding resource usage by providing free access to this data. By fostering an open network, AMEE allows organizations to update, compare, and share their environmental information, promoting transparency and collaboration. This platform not only facilitates better understanding and management of environmental risks but also links these risks to immediate financial pressures, encouraging businesses to adopt more sustainable practices. Through its data-driven approach, AMEE aspires to improve overall efficiency and resilience among organizations while driving innovation and responsible resource management.

Avoidance of Mass Extinctions Engine

Series A in 2008
AMEE is dedicated to offering credible environmental data for organizations globally, starting with a focus on 2.7 million entities in the UK. The company aims to enhance decision-making regarding resource usage by providing free access to this data. By fostering an open network, AMEE allows organizations to update, compare, and share their environmental information, promoting transparency and collaboration. This platform not only facilitates better understanding and management of environmental risks but also links these risks to immediate financial pressures, encouraging businesses to adopt more sustainable practices. Through its data-driven approach, AMEE aspires to improve overall efficiency and resilience among organizations while driving innovation and responsible resource management.
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