Side-by-side comparison of AI visibility scores, market position, and capabilities
NASA-derived nickel-hydrogen battery company raised $300M Series B extension in Mar 2026 bringing total to $445M; lithium-free batteries rated for 30,000 cycles (10x lithium-ion lifespan) designed for grid-scale and AI data center applications.
EnerVenue is an energy storage company commercializing nickel-hydrogen battery technology originally developed by NASA for satellite power systems. The company raised a $300 million Series B extension in March 2026 led by Full Vision Capital, bringing total funding to $445 million. EnerVenue's batteries are lithium-free and rated for 30,000 charge cycles — roughly 10x the lifespan of standard lithium-ion systems — making them purpose-built for demanding grid-scale and data center applications.
$475M committed for two Louisiana DAC facilities (17K + 100K tonne/yr). First commercial-scale DAC going operational in 2026. DOE Project Cypress hub partner.
Heirloom Carbon is one of the only direct air capture (DAC) companies to cross from pilot scale to actual commercial operation in 2026, with its first facility in Shreveport, Louisiana going operational this year. The company has secured $475 million in committed investment for two Louisiana plants: a 17,000-tonne-per-year facility now operational and a 100,000-tonne-per-year facility under development — representing the largest DAC buildout in North America.
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