Pre-IPO ReviewAggregating reviews, news, and community signal on pre-IPO companies

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⚡ Energy Companies

10 companies · Sorted by valuation

Redwood Materials

⚡ Energy

$6.00B

Latest valuation

Lithium-ion battery recycling and domestic cathode/anode supply for EVs

👀 0💬 0

Commonwealth Fusion Systems

⚡ Energy

$5.6B

Latest valuation

MIT spinout building SPARC, a tokamak fusion device targeting net energy gain

👀 0💬 0

Helion Energy

⚡ Energy

$5.4B

Latest valuation

Pulsed magnetic fusion targeting electricity by 2028; signed PPA with Microsoft

👀 0💬 0

Sila Nanotechnologies

⚡ Energy

$3.3B

Latest valuation

Silicon-anode battery materials boosting EV energy density; supplying Mercedes-Benz

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KoBold Metals

⚡ Energy

$3B

Latest valuation

AI-driven mineral exploration for battery metals — copper, nickel, lithium, cobalt

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X-energy

⚡ Energy

$1.8B

Latest valuation

Small modular nuclear reactors (Xe-100) plus TRISO fuel manufacturing

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TAE Technologies

⚡ Energy

$1.4B

Latest valuation

Field-reversed-configuration fusion using hydrogen-boron fuel for aneutronic energy

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Form Energy

⚡ Energy

$1.2B

Latest valuation

Iron-air batteries for 100-hour grid-scale energy storage

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Pacific Fusion

⚡ Energy

$0.9B

Latest valuation

Pulsed inertial fusion; $900M Series A backed by General Catalyst and others

👀 0💬 0

Zap Energy

⚡ Energy

$0.5B

Latest valuation

Sheared-flow Z-pinch fusion with a small, modular reactor footprint

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