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Heron Power
L0 · Energy & Poweralso L1
grid equipmentstartupprivateseries B
Energy first
Heron Power builds solid-state transformers that take medium-voltage grid AC straight down to 800V DC for AI racks, with battery backup built in. One box replaces the transformer, switchgear and UPS chain.
Ecosystem functionFounded by Tesla's former powertrain and energy lead, and now building a 40GW US factory — a bet that transformer lead times, not chips, become the binding constraint.
Business modelPower equipment sales
Revenue—
Valuation—
Last round$140Mled by Andreessen Horowitz and Breakthrough Energy Ventures · 2026
Sources · 3 ↓
Suggest an editLast verified 2026-08-19