Alumni Companies
These companies, which all started as embryonic discovery projects in our class, are driving real-world climate impact.
Categories follow the Climate Tech Map — a joint project of the Stanford Doerr School of Sustainability, Energy Innovation, Speed & Scale, Breakthrough Energy, McKinsey Sustainability and Elemental Impact.
Aionics uses next-generation compute to design next-generation materials, focusing on AI and physics-based simulation to create customized electrolytes for high-performance electrochemical systems.
Alta is developing next-generation mining technology, starting with mineral separations. Their approach aims to make critical mineral extraction more efficient and environmentally sustainable.
Ammobia is on a mission to feed and fuel our world with clean ammonia. Their technology enables sustainable ammonia production for agriculture, energy storage, and clean fuel applications.
Brimstone has developed a process to produce Portland cement that is carbon-negative rather than carbon-intensive. They have developed an efficient, economical, and deeply decarbonized process to produce portland cement, supplementary cementitious materials (SCM) and smelter grade alumina.
Cambio is the AI-powered commercial real estate operations platform, built by real estate investors for real estate investors. Cambio automatically collects building data to empower mission critical workflows like capital planning and sustainability compliance.
Circularity Fuels develops technologies to convert waste materials into sustainable fuels, creating circular economy solutions that reduce emissions and waste while providing clean energy.
Climate.ai provides AI-powered climate intelligence to help businesses and governments adapt to climate change. Their platform delivers hyperlocal climate forecasts and risk assessments.
Conduit Tech is the LiDAR-powered design and sales platform for HVAC professionals. Their iPad-based solution enables contractors to scan homes, create 3D models, perform ACCA-certified load calculations, and visualize installations, all in under 15 minutes.
Electroflow Technologies converts brines to battery materials such as LFP to unlock global energy abundance.
Evoloh is revolutionizing the manufacturing of water electrolyzers to make low-cost clean hydrogen production possible at gigawatt scale anywhere in the world.
Expand Power's compact smart transformer can be manufactured domestically with shortened lead times, expanding electrification opportunities in previously prohibited locations.
Feon Energy is pioneering the next leap in energy storage by revolutionizing battery electrolytes, the critical yet often overlooked component.
Fervo Energy is commercializing technology to develop, own, and operate geothermal assets that deliver 24/7 carbon-free energy.
Focal Heat develops precision heating technologies that reduce energy consumption in buildings. Their solutions provide comfort while significantly lowering heating costs and emissions.
Furno develops clean heating technologies for industrial applications, starting with cement, helping energy-intensive industries reduce their carbon footprint while maintaining high performance.
General Galactic is a deep-tech startup manufacturing platforms for space mobility and propellant generation.
Automated EV charger management and maintenance
Guidewheel provides a plug-and-play platform that helps factories reduce energy waste and improve efficiency. Their technology enables sustainable manufacturing by optimizing operations.
HighTide provides data-driven solutions to accelerate flood adaptation and resilience.
Holocene is building a portfolio of carbon removal projects that permanently store CO2 underground.
Huminly uses enzymes to enable infinite recycling of textiles. They help textile manufacturers and fashion brands reach their sustainability targets by diverting more of their waste from landfill while offering them a sustainable source of raw materials without needing to compromise on cost or quality.
Inlyte Energy is designing and manufacturing iron-sodium batteries for commercial, industrial, and utility-scale energy storage systems.
Lasso makes it easier than ever to identify, apply for, and receive funding for on-farm projects.
Marain develops AI software to help fleet operators optimize their operations and reduce emissions. Their technology was acquired by GM's BrightDrop to enhance electric vehicle fleet management.
Mitra Chem is the first lithium-ion battery materials manufacturer focused on shortening the lab-to-production timeline by over 90%, addressing the largest barrier to innovation: R&D and scale-up speed.
Modelyst designs tools for automation of distributed computing and heterogeneous data integration to accelerate corporate research in the computational sciences.
Nitricity produces nitrogen fertilizer using only air, water, and renewable electricity. Their technology eliminates the carbon emissions associated with conventional fertilizer production.
NitroVolt is developing a small-scale ammonia synthesis unit to give farmers control over fertilizer production through a patent-pending electrochemical process.
Pequrel strives to increase the incomes of all farmers while reducing food loss and improving climate resilience in farming communities. Their Advanced Adaptable Agricultural System (A3S) platform provides seed-to-sale support for farmers.
PermitPal uses AI to streamline community engagement for climate and energy projects. Their platform helps developers navigate permitting processes while ensuring meaningful community participation.
PHNX Materials transforms landfilled coal ash into strategic, high-performance industrial inputs.
Raya Power is transforming residential solar and storage from an expensive construction project into an affordable appliance, on a mission to make solar simple and accessible.
Renewell Energy transforms idle oil wells into gravity-based energy storage systems. Their innovative approach repurposes existing infrastructure to support renewable energy integration.
Resonant Link develops breakthrough wireless charging technology that enables faster, more efficient power transfer for electric vehicles, medical devices, and industrial applications.
Resource Chemical Corporation develops sustainable chemical manufacturing processes that reduce environmental impact. Their green chemistry approach creates more efficient and less toxic alternatives to conventional chemicals.
Rizm develops digital tools and platforms to accelerate climate action across industries. Their solutions help organizations measure, manage, and reduce their environmental impact through data-driven approaches.
Sublime Systems has developed a breakthrough low-temperature, electrochemical process to produce carbon-neutral cement.
Sunscreen is a movement of people who care about science, health, and the fight against extreme heat. Their novel solution is adaptable to various settings, providing customized climate resilience solutions for different sectors.
Swift Solar develops high-efficiency, lightweight, and flexible solar panels using perovskite technology.
Tynt makes an ultra-thin, tunable metal film that enables precise, dynamic light control across a wide range of applications including eyewear and architectural glass.
Verne develops hydrogen energy solutions for heavy-duty transportation. Their technology enables zero-emission shipping, trucking, and other hard-to-electrify transport sectors.
Water One is an AI-powered platform that helps growers manage water like money — budgeting, accounting, and crediting every drop.
Working Trees deploys silvopasture carbon projects in partnership with Brazilian farmers, generating high-quality, technologically-verified, carbon removal credits for companies seeking to mitigate their impact on climate change.
XFlow Energy develops innovative wind turbine technology that increases efficiency and reduces costs. Their designs enable wind power generation in a wider range of locations and conditions.
