David Cahn(@DavidCahn6):Rebuilding the American grid is a prerequisite for AI to achieve its full potential. @FormEnergyInc spent nearly a decade building a fundamentally new battery technology and a US manufacturing base to produce it. @sequoia is investing $100M. I first met @mateojaramill in spring 2020. He shared an ambitious idea: build a new battery technology that could store energy for days, not hours, using two of the cheapest and most abundant inputs imaginable – iron and air. Since then, Form has proved that its batteries can compete with gas and can scale, winning its first big hyperscale contract earlier this year. We believe Form Energy can become America’s battery champion.

2026.09.01 16:55

Rebuilding the American grid is a prerequisite for AI to achieve its full potential. @FormEnergyInc spent nearly a decade building a fundamentally new battery technology and a US manufacturing base to produce it. @sequoia is investing $100M. I first met @mateojaramill in spring 2020. He shared an ambitious idea: build a new battery technology that could store energy for days, not hours, using two of the cheapest and most abundant inputs imaginable – iron and air. Since then, Form has proved that its batteries can compete with gas and can scale, winning its first big hyperscale contract earlier this year. We believe Form Energy can become America’s battery champion.

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