Startup profile

Inertia Enterprises

Series ALivermore, CA, United States$450M raised

Open roles0
Total raised$450M
Team size11-50
Founded · Stage2024 · Series A

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About the company

What they build and who they serve.

Commercial fusion energy company developing laser-based inertial confinement fusion reactors to produce grid-scale clean energy using proven physics from Lawrence Livermore National Laboratory.

Team & contacts

Key people at the company—reach out on LinkedIn or email.

Why it matters

Signals from funding, traction, and product direction.

  • Technology based on inertial confinement fusion with diode-powered lasers 50x more powerful than prior systems.
  • Raised $450M in Series A funding announced on February 11, 2026 to build world's most powerful laser 'Thunderwall' and mass-produce fusion fuel targets.
  • Co-founded by Twilio co-founder Jeff Lawson, NIF lead Annie Kritcher, and Stanford professor Mike Dunne.
  • Plans to construct fusion pilot plant at Lawrence Livermore National Laboratory and grid-scale power plant by 2030.
  • Co-founded by Twilio co-founder Jeff Lawson to commercialize fusion science from LLNL.
  • One of the largest Series A rounds in the history of the private fusion sector.

Funding history

Rounds and investors over time, newest first.

  1. Series A

    $450M
  2. Series A

    $450M
    Bessemer Venture Partners · LeadGVThreshold VenturesModern Capital

In the news

Press, announcements, and coverage about this company.

Focus areas

Series ADeep TechCleantechRenewable Energy
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