Deep Fission
Berkeley, California, United States · Energy, Renewable Energy · 60 employees
Deep Fission is a pioneering nuclear energy company revolutionizing the energy landscape by positioning modular nuclear power plants a mile underground. Founded by Elizabeth and Richard Muller in 2023, the company leverages traditional reactor designs in unconventional environments to enhance safety and reduce costs. Their innovation aims to provide clean and affordable nuclear power in response t
Funding history
- Funding Round — $80.0M — Feb 2026
- Funding Round — $80.0M — Feb 2026
- Funding Round — $30.0M — Sep 2025
- Series seed — $4.0M — Aug 2024
Recent signals
- Jun 05, 2026: Deep Fission partners with Day & Zimmermann to build an underground nuclear reactor facility.
- Feb 18, 2026: Raised $80.0M
- Feb 10, 2026: Raised $80.0M
- Oct 07, 2025: Deep Fission Appoints Mark Schmitz as Chief Financial Officer
- Sep 08, 2025: Raised $30.0M
- Nov 14, 2024: Deep Fission Inc. Appoints Mark Pérès as Vice President of Engineering
- Aug 22, 2024: Raised $4.0M in Series seed
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