Our 200+ startups never fail to impress us with their hard work and commitment to scaling their climatetech solutions! Check out their latest accomplishments below.

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Funding

• American Battery Technology Company received a $144M grant contract from the U.S. Department of Energy (DOE) to construct its second lithium-ion battery recycling facility.
• Form Energy, developer of cost-effective, multi-day energy-storage systems, raised $50M in equipment financing from Trinity Capital.
• Raptor Maps, a startup building AI software to increase solar farm power production, raised a $35M Series C.
• EarthEn, whose CO₂ battery stores renewable energy for four to 100 hours, received two awards from the DOE: a High Performance Computing for Energy Innovation grant and two vouchers from the DOE Voucher Program.
• Greentown alum Fervo Energy, which delivers next-generation, carbon-free geothermal energy, secured $255M in funding—$135M in corporate equity, $120M via a letter of credit and term loan facility.
• Greentown alum ConnectDER raised a $35M Series D for its next-generation meter socket adapter, which integrates with the electrical grid to make it possible to island solar panels, battery storage, EVs, and other distributed energy resources. 
• Greentown alum WeaveGrid, which solves critical grid-integration challenges to optimize EV charging, closed a $28M round led by Toyota’s growth fund.
• Greentown Go alum HyperKelp, whose Kelp Smart Buoy offers comprehensive ocean surveillance and intelligence gathering, announced a $1.8M Direct to Phase II contract with the U.S. Air Force.
• Greentown alum Via Separations, developer of a groundbreaking filtration system for industrial separations, received $1.2M from the DOE’s Office of Clean Energy Demonstrations toward a project decarbonizing a thermal process at Nippon Dynawave Packaging Co.’s Longview, WA site.
• Greentown Go alum Circularise, developer of a product-traceability platform for supply-chain sustainability and compliance, received a strategic pre-Series B investment from Teijin Group.
• Greentown members and alumni Fleet Robotics, Foray Bioscience, and Seabound received investments from Elemental Impact.

Partnerships + Deployments

• Eden, developer of a first-of-its-kind electrical reservoir stimulation technology, signed an MOU with TerraThermo Limited to collaborate on a 12MW geothermal project in Germany.
• Phytoform Labs announced its CRE.AI.TIVE AI platform, which can “rapidly evolve sequences of plant DNA to activate traits such as drought and pest resistance.”
• ​​Boxes is deploying its innovative retail devices at Texas A&M University.
• Active Surfaces, which is developing a thin, flexible, and rollable solar solution designed to revolutionize the way solar energy is integrated into the built environment, held a ribbon cutting for its new manufacturing research facility.
• Greentown alum Via Separations achieved a 76 percent reduction in energy demand compared to incumbent processes in the first six months of operating Project Kodiak—its first-of-a-kind (FOAK) commercial project at International Paper’s Grande Prairie Facility.
• Greentown alum Energy Dome signed an offtake agreement with Greentown partner ENGIE for the startup’s first full-scale CO₂ battery.
• Carbon to Value Initiative (C2V Initiative) alum Capture6 signed a joint-development agreement with Pilot Energy to install direct-air-capture and water-treatment capacities at Pilot Energy’s Mid West Clean Energy Project.
• Greentown Go alum Circularise partnered with ScaleAQ to create the first-ever aquaculture digital product passport.

Acquisitions + Subsidiaries

• Greentown alum Raise Green, a marketplace for impact investing in climate solutions, was acquired by Honeycomb Credit.
• Greentown alum Altaeros launched a subsidiary, Altaeros UK, that will manufacture autonomous aerostats and other inflatable goods.

Awards + Recognition

• The 2025 Forbes 30 Under 30 list featured founders of 10 Greentown member and alumni companies: Carbon Upcycling Technologies, Cyvl, Feon Energy, Fervo Energy, FluxWorks, Heliotrope Photonics, Helix Earth Technologies, Mitico, Oxylus Energy, and Phoenix Tailings.
• Four C2V Initiative participants and alumni won the World Economic Forum’s Uplink Carbon Capture and Utilization Challenge: Carbon to Stone, Dioxycle, enaDyne, and Oxylus Energy.
• Form Energy successfully completed UL9540A safety testing for its iron-air battery system, “demonstrating the highest safety standards with no flame or thermal event propagation.”
• American Battery Technology Company will participate in the DOE’s Battery Workforce Challenge, in which it will launch a “Design for Recyclability” category.
• C2V Initiative alumni Carbon Upcycling Technologies and Made of Air were among the six winners of Elemental Impact’s 2024 Build Better Innovation Challenge. 
• Greentown alum SparkCharge‘s CEO Joshua Aviv was included in the new Forbes BLK 50, a “list of the most powerful, impactful, and wealthiest Black Americans.”
• Greentown alum Rheom Materials’s biobased resin for eyewear and accessories, Benree, received USDA certification as a biobased product.