Heron Power Snares $140 Million Series B
2026-02-25
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SCOTTS VALLEY, CA, Heron Power just raised $140 million to manufacture gigawatts of solid state transformers for data centers and the grid.
Heron Power just raised $140 million to manufacture gigawatts of solid state transformers for data centers and the grid. It follows a $38 million Series A in May.
The Series B was led by Andreessen Horowitz's American Dynamism Fund and Breakthrough Energy Ventures, with participation from Capricorn, Energy Impact Partners, Gigascale Capital, and Valor Atreides AI Fund.
Founded by former Tesla executive Drew Baglino, Heron is targeting a century old bottleneck: the iron core transformer. Cheap and reliable, yes. Also bulky, heat heavy, and poorly suited for AI scale infrastructure.
The Series B was led by Andreessen Horowitz's American Dynamism Fund and Breakthrough Energy Ventures, with participation from Capricorn, Energy Impact Partners, Gigascale Capital, and Valor Atreides AI Fund.
Founded by former Tesla executive Drew Baglino, Heron is targeting a century old bottleneck: the iron core transformer. Cheap and reliable, yes. Also bulky, heat heavy, and poorly suited for AI scale infrastructure.
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