15
Total investments
2
Early stage
6
Mid stage
2
Late stage
8y
Years active
Portfolio
13 investments · sorted by recency
All investments
Early stage
Mid stage
Late stage
Investor
Dec 2025
Ammobia is developing Haber Bosch 2.0 - a process for clean ammonia production. We leverage advances in materials science and catalysis to produce green ammonia at low cost. Our process and systems work across production scales, enabling ammonia as a clean chemical, fertilizer, and energy carrier for a decarbonized future
Ammobia was founded by Karen Baert and Tristan Gilbert, recognized by Forbes 30 under 30 and supported by Starlight Ventures, Collaborative Fund, Arosa Capital, Chevron Technology Ventures and more
Investor
Sep 2025
GridX partners with utilities and energy suppliers to transform their businesses and accelerate the clean energy transition. Our Enterprise Rate Platform helps these organizations develop new products and business models to achieve their clean energy goals; quickly operationalize new offerings in their billing and settlement processes; and better engage with their customers for broader program adoption. GridX’s platform is used by leading utilities, retail energy suppliers and energy ecosystem OEMs to serve more than 19 million homes and businesses.
For more information, contact “Info(AT)GridX.com”.
Investor
Oct 2023
AI Library is making AI more accessible. Our platform enables everyone, regardless of technical skill, to exploit the power and potential of AI.
Investor
May 2022
Princeton NuEnergy Inc. (PNE) is an innovative U.S.-based clean-tech company, spun out from Princeton University in 2019, and reaching commercial production in 2023. We are revolutionizing the material supply chain with our patented low-cost process for producing high-quality cathode active materials from spent lithium-ion batteries.
We recycle lithium-ion batteries from electric vehicles, consumer electronics, energy storage batteries, and manufacturing scrap.
Our primary product: directly re-usable Cathode and Anode materials at 99.99% purity – produced at half the cost of virgin material production with zero waste!
Board Member
Jan 2022
Verdagy is innovating advanced electrolysis technology for the large-scale production of clean hydrogen. Its industry-leading solution reduces both upfront capital costs and ongoing operating expenses, to achieve the industry’s lowest levelized cost of hydrogen. In addition to its California factory, Verdagy operates its R&D and highly automated commercial plants in Moss Landing, California where it continues to advance its cutting-edge technology.
Investor
Jan 2022
AiDash is making critical infrastructure industries climate-resilient and sustainable with satellites and AI. Using our full-stack SaaS solutions, customers in electric, gas, and water utilities, transportation, and construction are transforming asset inspection and maintenance - and complying with biodiversity net gain mandates and carbon capture goals. Our customers deliver ROI in their first year of deployment with reduced costs, improved reliability, and achieved sustainability goals. Learn more at www.aidash.com.
Board Member
Jul 2020
Palmetto is a leading clean tech company on a mission to accelerate the transition to a clean energy future. With the belief that consumers can have it all, we are an uncompromising energy company that makes going green a no-brainer. Our award-winning platform empowers homeowners, businesses, and entrepreneurs to adopt renewable energy through simple, scalable, and innovative solutions.
We operate at the intersection of B2B and D2C, offering software, financial tools, and services that drive real environmental impact—without compromising value. Our Clean Energy Platform makes solar and home electrification easy to access, easy to afford, and easy to manage.
The Palmetto journey:
• Download our app
• Switch to clean energy products including solar, HVAC, and energy storage
• Finance with flexible options
• See your savings in real time with energy insights
We deliver flexible energy plans, real-time insights, and seamless customer experiences through offerings like our Consumer App and Marketplace, LightReach™ Solar and HVAC Subscriptions, and Asset Management tools—with more innovations on the way.
How We Think
We’ve always been told a cleaner future means sacrifice. Turn it down, pay more, wait forever. We don’t buy that. At Palmetto, we believe the future is abundant. We help homeowners have it all: lower energy bills, smarter homes, and a healthier planet.
Who We Serve
We work with homeowners, clean energy brands, and local installation partners to help them grow their impact, revenue, and customer reach.
Our Community Impact
• 1+ terawatt-hour of clean solar energy generated
• 740,000+ tons of carbon emissions avoided
• 90,000+ homes powered for a year
Careers at Palmetto
We’re a primarily remote company with team members across the U.S. and offices in Charlotte, NC and Charleston, SC. As a triple bottom line business, we’re building a better energy future—for people and the planet.
Board Member
Aug 2019
Ouster acquired Sense Photonics in October, 2021 and established Ouster Automotive, a new functional division of the company.
Ouster Automotive is focused on accelerating the development of assisted and autonomous driving solutions by driving mass-market adoption of its digital lidar technology in consumer and commercial vehicles.
Building on Senses technology and talent, Ouster Automotives new digital flash lidar platform produces rich, dense 3D data, offers unparalleled flexibility for OEMs and was designed to meet the durability, reliability and scalability needs of todays vehicle manufacturers.
Investor
Aug 2019
Aurora (Nasdaq: AUR) is delivering the benefits of self-driving technology safely, quickly, and broadly to make transportation safer, increasingly accessible, and more reliable and efficient than ever before. The Aurora Driver is a self-driving system designed to operate multiple vehicle types, from freight-hauling trucks to ride-hailing passenger vehicles, and underpins Aurora Horizon and Aurora Connect, its driver-as-a-service products for trucking and ride-hailing. Aurora is working with industry leaders across the transportation ecosystem, including Toyota, FedEx, Volvo Trucks, PACCAR, Uber, Uber Freight, U.S. Xpress, Werner, Covenant, Schneider, and Ryder. For Aurora’s latest news, visit aurora.tech and @aurora_inno on Twitter.
Board Member
Aug 2019
Geli, which stands for Growing Energy Labs, Inc., provides software and business solutions to design, automate, and manage energy storage systems. Geli’s suite of products creates an ecosystem where project developers, OEMs, financiers, and project operators can deploy advanced energy projects using a seamless hardware-agnostic software platform.
Founded in 2010, Geli’s software actively manages megawatts of projects that are deployed around the world.
Board Member
Aug 2019
Ouster acquired Sense Photonics in October, 2021 and established Ouster Automotive, a new functional division of the company.
Ouster Automotive is focused on accelerating the development of assisted and autonomous driving solutions by driving mass-market adoption of its digital lidar technology in consumer and commercial vehicles.
Building on Senses technology and talent, Ouster Automotives new digital flash lidar platform produces rich, dense 3D data, offers unparalleled flexibility for OEMs and was designed to meet the durability, reliability and scalability needs of todays vehicle manufacturers.
Board Member
Aug 2019
We aim to solve the energy delivery challenge for electric transportation by utilizing autonomous robotics and smart-battery technology. Weve created an economical, rapidly deployable and widely accessible platform that delivers a full charge to any electric car in minutes. The aim is to make it possible to have “Electric Cars for Everyone”.
Board Member
Dec 2018
AutoGrid builds software applications that enable a smarter distributed energy world.
The company’s suite of flexibility management applications allows utilities, electricity retailers, renewable energy project developers and energy service providers to deliver clean, affordable and reliable energy by managing networked distributed energy resources (DERs) in real time and at scale. AutoGrid has more than 7.6K megawatts of DERs under management with leading energy companies around the world.
The world’s leading energy companies, including E.ON, Bonneville Power Administration, Florida Power & Light, Southern California Edison, Eneco, Portland General Electric, CPS Energy, New Hampshire Electric Cooperative, NextEra Energy and CLEAResult, are using AutoGrid’s software to improve their operations, integrate renewables and drive deeper engagement with their customers. AutoGrid has been recognized for numerous prestigious industry awards including the Global Cleantech 100 (2019), Edison Awards (2018), Bloomberg New Energy Pioneer (2016), World Economic Forum Technology Pioneer (2015), Red Herring Top 100 North America (2015), Industrial Innovation Company of the Year by the Cleantech Group and Green Product of the Year by the BIG Awards for Business Programs.
AutoGrid is headquartered in Redwood City, California, but has rock star team members around the world.
Experience · 21 entries
All (21)
Investments (15)
Board (9)
2025
Investor
Dec 2025
Ammobia is developing Haber Bosch 2.0 - a process for clean ammonia production. We leverage advances in materials science and catalysis to produce green ammonia at low cost. Our process and systems work across production scales, enabling ammonia as a clean chemical, fertilizer, and energy carrier for a decarbonized future
Ammobia was founded by Karen Baert and Tristan Gilbert, recognized by Forbes 30 under 30 and supported by Starlight Ventures, Collaborative Fund, Arosa Capital, Chevron Technology Ventures and more
Investor
Sep 2025
GridX partners with utilities and energy suppliers to transform their businesses and accelerate the clean energy transition. Our Enterprise Rate Platform helps these organizations develop new products and business models to achieve their clean energy goals; quickly operationalize new offerings in their billing and settlement processes; and better engage with their customers for broader program adoption. GridX’s platform is used by leading utilities, retail energy suppliers and energy ecosystem OEMs to serve more than 19 million homes and businesses.
For more information, contact “Info(AT)GridX.com”.
2023
Investor
Oct 2023
AI Library is making AI more accessible. Our platform enables everyone, regardless of technical skill, to exploit the power and potential of AI.
2022
Board Member
Aug 2022
Mainspring is a power generator manufacturer redefining how local power is delivered to capacity constrained companies and communities. No other primary power solution can match the flexibility, affordability, and low emissions of a Mainspring Linear Generator. Mainspring customers across key industries — utilities, data centers, enterprise, and industrial — are taking control of their energy futures.
Investor
May 2022
Princeton NuEnergy Inc. (PNE) is an innovative U.S.-based clean-tech company, spun out from Princeton University in 2019, and reaching commercial production in 2023. We are revolutionizing the material supply chain with our patented low-cost process for producing high-quality cathode active materials from spent lithium-ion batteries.
We recycle lithium-ion batteries from electric vehicles, consumer electronics, energy storage batteries, and manufacturing scrap.
Our primary product: directly re-usable Cathode and Anode materials at 99.99% purity – produced at half the cost of virgin material production with zero waste!
Show all 21 entries ↓
Investment activity
2018–2025 · 15 investments
Recent (last 2 years)Earlier