Deep Fission, Inc. - Common Stock (FISN)

Deep Fission (NASDAQ:FISN) outlined its development, regulatory and financing plans for underground nuclear power projects during its October 2026 business update, targeting initial commercial power from a pilot project in Parsons, Kansas, by December 2027 and broader deployments beginning in 2028.

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Deep Fission (NASDAQ:FISN) is targeting commercial electricity generation from its first underground nuclear reactor in Parsons, Kansas, by the end of 2027, Chief Executive Officer Liz Muller said during a company presentation. Muller said the company has been accepted into the U.S. Department of E

Deep Fission (NASDAQ:FISN) is pursuing an underground approach to advanced nuclear power, with plans to place pressurized water reactors in boreholes roughly a mile below the surface, Co-Founder and CEO Liz Muller said at Canaccord Genuity’s 46th annual growth conference. Muller said the company’s