Press Releases

Deep Fission, Inc. (“Deep Fission” or the “Company”), a pioneering advanced nuclear energy company placing small modular pressurized water reactors (SMRs) in boreholes one mile underground, announced today it has raised $80 million in new financing.

Deep Fission, Inc., a pioneering advanced nuclear energy company placing small modular pressurized water reactors in boreholes one mile underground, announced today that it has selected the Great Plains Industrial Park in Parsons, Kansas, as the site of its advanced reactor pilot project.

Deep Fission, Inc., a pioneering advanced nuclear energy company developing small modular pressurized water reactors placed one mile underground, today announced that it has executed an Other Transaction Agreement (OTA) with the U.S. Department of Energy (DOE) to build and operate a test reactor as part of President Trump’s Reactor Pilot Program.

Deep Fission, an advanced nuclear energy company redefining the industry by placing small modular pressurized water reactors in boreholes a mile underground, today announced the official name of its proprietary underground reactor: The Gravity Nuclear Reactor (“Gravity”).

Deep Fission, Inc., a pioneering advanced nuclear energy company placing 15 MWe small modular pressurized water reactors in boreholes one mile underground, today announced the promotion of Mike Brasel to Chief Operating Officer (COO).

Deep Fission, Inc. (“Deep Fission” or the “Company”), a pioneering advanced nuclear energy company placing small modular pressurized water reactors in boreholes one mile underground, announced today it has signed Letters of Intent (LOIs) with data centers, co-developers, industrial parks, and strategic partners totaling 12.5 gigawatts (GW) of power. The LOIs outline plans to pursue commercial deployment of Deep Fission’s small modular reactors (SMRs).

Deep Fission, Inc., a pioneering advanced nuclear energy company placing 15 MWe small modular reactors (SMRs) in boreholes one mile underground, is pleased to announce that Mark Schmitz recently joined Deep Fission as Chief Financial Officer (CFO).

Deep Fission, Inc. (“Deep Fission” or the “Company”), a pioneering advanced nuclear energy company placing small modular pressurized water reactors in boreholes one mile underground, announced today that CEO Liz Muller appeared as a guest this morning on Fox Business Network’s show, “Morning with Maria”.

Deep Fission, Inc. (“Deep Fission” or the “Company”), a pioneering advanced nuclear energy company placing small modular pressurized water reactors in boreholes one mile underground, announced today the selection of its first three planned sites in Texas, Utah, and Kansas.

Deep Fission, Inc. (“Deep Fission” or the “Company”), a pioneering advanced nuclear energy company placing small modular pressurized water reactors in boreholes one mile underground, announced today it raised $30M in a heavily oversubscribed private placement offering at $3.00 per share as well as completed a go-public reverse merger transaction with Surfside Acquisition Inc., which has been renamed Deep Fission, Inc.

Deep Fission, Inc. (Deep Fission), an advanced nuclear energy company placing small modular reactors a mile underground, is proud to announce that it has been selected to participate in the U.S. Department of Energy’s (DOE) new Nuclear Reactor Pilot Program.

Deep Fission is proud to announce that Brigadier General Patrick Huston, U.S. Army (ret.), has joined its advisory board. With a distinguished 35-year career spanning military leadership, national security law, and emerging technologies, General Huston brings invaluable perspective at a time of increasing federal interest in resilient energy systems.

Deep Fission Inc. (Deep Fission), an advanced nuclear energy company burying small modular reactors a mile underground for cheaper, faster, and more scalable deployment, is proud to announce that Kristin Sverchek has joined its Advisory Board. Kristin’s deep expertise in governance and public engagement will be integral as the company works to advance regulatory pathways, bolster public confidence in nuclear energy, and bring its urgently needed technology to market.

Deep Fission announced today that it has joined a federal lawsuit aimed at modernizing how the Nuclear Regulatory Commission (NRC) interprets and applies the Atomic Energy Act.

Deep Fission Inc. (Deep Fission), the pioneering nuclear energy startup revolutionizing the industry by placing reactors a mile underground, and Deep Isolation, a leader in deep borehole nuclear waste disposal solutions, have signed a Memorandum of Understanding (MOU) to collaborate on spent fuel management for Deep Fission’s advanced underground reactors. This agreement marks a shared commitment to ensuring a comprehensive approach to the full nuclear fuel cycle.

Deep Fission Inc. (Deep Fission) a pioneering nuclear energy company redefining the industry by placing small modular reactors (SMRs) a mile underground announced today the appointment of Rani Franovich as Vice President of Regulatory Affairs. A nationally respected expert in nuclear oversight and licensing, Rani brings decades of regulatory experience to support Deep Fission’s bold vision: commercializing deep geologic nuclear power for a safer, faster, and more scalable energy future.

Deep Fission, the trailblazing nuclear energy startup transforming the industry by delivering safe, scalable, onsite, and cost-effective power from small modular reactors (SMRs) a mile underground, is proud to announce the hiring of Stuart Lacey as its Chief AI Officer. In this new role, Stuart will spearhead Deep Fission’s efforts to leverage artificial intelligence across all facets of its business.

The Korea Institute of Energy Technology (KENTECH) engaged with Deep Fission Inc., a U.S. nuclear energy startup co-founded by renowned physicist and CTO, Professor Richard Muller. The agreement highlights KENTECH’s commitment to advancing and implementing innovative nuclear technology in Korea and beyond.

Deep Fission announced a strategic partnership with Endeavour Energy, LLC (Endeavour), a sustainable infrastructure company focused on developing ultra-efficient, AI-ready data centers. The collaboration represents a major leap forward in deploying next-generation nuclear power to meet the growing demands of energy-intensive industries.

Deep Fission Inc., a nuclear energy company transforming the industry by placing small modular reactors (SMRs) a mile underground, is thrilled to announce the appointment of Mark Pérès as Vice President of Engineering. Bringing over four decades of industry experience, Pérès’ hire underscores Deep Fission’s commitment to building a world-class engineering team dedicated to delivering safe and reliable carbon-free energy.

We’re thrilled to announce the formation of the Deep Fission inaugural Advisory Board, bringing together a group of renowned leaders and visionaries from diverse industries, including advanced nuclear power, physics, the geologic subsurface, government funding, and AI. These distinguished experts will offer invaluable strategic guidance and support as we advance in our mission to deliver clean, reliable, cost-effective nuclear power a mile underground.

Deep Fission Inc., a pioneering nuclear energy company, today announced its emergence from stealth mode and a $4 million pre-seed round, led by 8VC. Positioned at the forefront of advanced energy technology, Deep Fission aims to redefine the future of nuclear power with an unprecedented approach: placing reactors a mile underground.