Fundraising FoxEnergy Startups
5,975 companies tagged Energy, with their investors and founders.
Solution Energy Group develops a thermal transfer technology that both extracts geothermal heat for carbon-free electricity generation and dissipates waste heat to cool data centers and energy-intensive industrial operations. The company targets operators of AI and digital infrastructure with a plug-and-play system aimed at reducing cooling loads and water usage.
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Southern Block Capital acquires and monetizes stranded, low-cost power capacity at existing utility substations across the Southern United States, pairing it with energy-intensive workloads such as Bitcoin mining and future AI compute. It operates investment funds for accredited investors based on a power-first energy infrastructure model.
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Sphere3D develops and operates scalable power and data center assets across North America for high-performance computing, AI workloads, and digital asset infrastructure. It positions its compute capacity as a dispatchable, interruptible load that integrates with energy producers, and earns revenue from proprietary compute operations and third-party hosting contracts for enterprise clients.
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SSOE is an architecture and engineering firm that designs and delivers building and facility projects, using AI tools such as chat LLMs integrated into Revit and GitHub Copilot to automate design and software development tasks. Its teams apply natural language automation to modeling, parameter cleanup, annotation management, and coding workflows.
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Standard Thermal develops an earthen thermal battery that stores solar PV energy as heat to deliver reliable heating year-round, including seasonal storage for winter and co-located heat users. Its low-cost storage design flattens daily and seasonal variations in solar output while avoiding grid interconnection, targeting solar-plus-storage economics competitive with fossil fuels.
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Star Gold Corp develops high-quality gold and silver mining assets in Nevada's Walker Lane Belt, focusing on the flagship Longstreet Project, an open pit heap-leach operation. The company targets long-term precious metals production with emphasis on capital efficiency, environmental stewardship, and operational readiness.
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Stardust Power develops a lithium refinery in Muskogee, Oklahoma to produce battery-grade lithium carbonate, supplying materials for battery manufacturers in the U.S. The company operates in the lithium refining and battery supply chain sector.
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STARS builds compact hydrogen generators that use microchannel process technology and 3D printing to convert water and methane (including biomethane) into clean hydrogen via steam methane reforming. The modular, onsite systems are aimed at gas distribution companies and end users looking to produce hydrogen without central plants or new pipeline infrastructure.
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