Deep Fission Becomes Public Through Unusual SPAC Deal

📅 Published: 9/8/2025
🔄 Updated: 9/8/2025, 10:40:15 PM
📊 15 updates
⏱️ 11 min read
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Deep Fission, a nuclear energy startup focused on placing small modular reactors (SMRs) deep underground, has become a publicly traded company through an unusual reverse merger with Surfside Acquisition Inc., accompanied by a $30 million financing round. The company aims to revolutionize nuclear power by deploying its first underground reactor in 2026 as part of the U.S. Department of Energy’s (DOE) Reactor Pilot Program[1].

Deep Fission’s innovative approach involves installing 15 MW...

Deep Fission’s innovative approach involves installing 15 MWe pressurized water reactors (PWRs) approximately one mile below the Earth’s surface inside narrow 30-inch boreholes. This design leverages natural geology as containment, eliminating the need for costly megastructures such as large pressure vessels and containment buildings. By integrating established nuclear, drilling, and geothermal technologies, Deep Fission expects to reduce construction time and costs by up to 80%, targeting electricity generation costs of 5 to 7 cents per kilowatt-hour. The underground location enhances safety and sustainability while using conventional low-enriched uranium fuel and existing supply chains[1][3].

The company’s public listing via a reverse merger is part of...

The company’s public listing via a reverse merger is part of a strategic effort to accelerate commercialization and secure long-term capital for scaling infrastructure. Deep Fission’s capital structure is further supported by $30 million in public grants, creating a risk-mitigated financial foundation. The company also has strong government backing, having been selected to participate in the DOE’s Nuclear Reactor Pilot Program, which targets achieving criticality by July 4, 2026. This program aligns with national security priorities and allows Deep Fission to share research and development costs with government partners, diversifying its revenue streams through both commercial and defense applications[1][2].

In addition to the DOE partnership, Deep Fission recently an...

In addition to the DOE partnership, Deep Fission recently announced a strategic collaboration with Endeavour Energy LLC to co-develop 2 gigawatts of low-carbon nuclear energy capacity, primarily to power energy-intensive industries like data centers by 2029. The joint effort is seen as a major step toward deploying next-generation nuclear power to meet growing energy demands efficiently and sustainably[2][3].

The company’s CEO, Liz Muller, who co-founded Deep Fission w...

The company’s CEO, Liz Muller, who co-founded Deep Fission with her father Richard Muller, previously worked on nuclear waste disposal solutions using borehole drilling at Deep Isolation. Their expertise in directional drilling and underground containment has informed Deep Fission’s reactor design, which aims to capitalize on the natural protection offered by deep geological formations to enable safer and faster deployment of nuclear reactors[4][5].

Deep Fission is currently engaging with the U.S. Nuclear Reg...

Deep Fission is currently engaging with the U.S. Nuclear Regulatory Commission (NRC) in pre-application discussions, with plans to submit site-specific licensing applications in 2026. The first reactors in the U.S. are expected to be operational by 2029, and the company is also exploring international regulatory approvals for earlier deployment abroad[3].

By going public through a SPAC (Special Purpose Acquisition...

By going public through a SPAC (Special Purpose Acquisition Company) reverse merger and securing substantial funding and partnerships, Deep Fission positions itself as a potential disruptive force in the capital-intensive nuclear energy sector. Its novel underground reactor concept promises to lower costs, enhance safety, and accelerate the transition to carbon-free power generation in the coming decade[1][2][3].

🔄 Updated: 9/8/2025, 8:20:21 PM
Deep Fission's public debut through a $30 million SPAC reverse merger with Surfside Acquisition Inc. marks a significant shift in the nuclear energy competitive landscape, providing the startup with stronger capital resources to accelerate deployment of its novel underground 15-megawatt reactors. By targeting a pilot reactor operational by July 2026 and a 2-gigawatt data center partnership with Endeavor by 2029, Deep Fission positions itself as a disruptive player leveraging lower-cost, scaled small modular reactors (SMRs) compared to traditional nuclear projects. The company’s integration into the Department of Energy’s Reactor Pilot Program and its dual commercial-defense model further differentiate it amid a crowded field of nine DOE-supported startups, signaling a new wave of competitio
🔄 Updated: 9/8/2025, 8:30:24 PM
Deep Fission’s stock price was set at $3 per share in its reverse merger with Surfside Acquisition Inc., below the typical $10 SPAC valuation, reflecting cautious investor sentiment toward this early-stage nuclear startup[1]. Although its shares have not yet started trading on the OTCQB, the $30 million financing raised has positioned the company with some runway amid broader market interest in nuclear energy innovation[1][2]. Market reactions remain measured, with investors weighing the high capital costs against Deep Fission’s potential for disruptive underground reactor technology and DOE-backed pilot projects[3].
🔄 Updated: 9/8/2025, 8:40:21 PM
Deep Fission has gone public through a reverse merger with Surfside Acquisition Inc., raising $30 million in a private placement at $3.00 per share to fund its innovative underground nuclear reactor technology[1]. The company aims to deploy its first borehole reactor by July 4, 2026, as part of the U.S. Department of Energy’s Reactor Pilot Program and recently secured a partnership to develop 2 gigawatts of subterranean nuclear power for data centers by 2029[1][2][5]. CEO Richard Muller stated, "Deep Fission has the right technology, at the right time, and in the right place," highlighting its potential to cut construction costs by up to 80% by leveraging natura
🔄 Updated: 9/8/2025, 8:50:22 PM
Consumer and public reaction to Deep Fission’s unusual SPAC deal has been cautiously optimistic, highlighted by strong investor interest as the company raised $30 million in an oversubscribed private placement priced at $3 per share—significantly below typical SPAC valuations[1][2]. Industry observers praise the innovative approach of burying small modular reactors underground to enhance safety, with some seeing it as a critical step towards more affordable nuclear energy, targeting 5-7 cents per kWh[2]. While shares are not yet trading, the involvement of the U.S. Department of Energy and partnerships aiming for 2 gigawatts of underground reactors by 2029 have bolstered confidence, although some remain wary about the inherent risks and high costs in
🔄 Updated: 9/8/2025, 9:00:25 PM
Deep Fission's public debut via a $30 million SPAC reverse merger marks a significant shift in the nuclear energy competitive landscape by enabling rapid scaling of its underground borehole reactor technology, which promises up to 80% cost reductions and power at 5-7 cents per kWh[1]. Partnering with the U.S. Department of Energy and Endeavour Energy, Deep Fission aims to reach reactor criticality by mid-2026 and develop 2GW of low-carbon reactors by 2029, positioning itself as a disruptive force alongside established firms like TerraPower and Oklo targeting data center demand[2][3]. This innovative approach, supported by a blend of private financing and public grants, challenges traditional nuclear developers by leveraging both commercial
🔄 Updated: 9/8/2025, 9:10:20 PM
Deep Fission went public through a reverse merger priced at $3.00 per share, significantly below the typical $10 target for SPAC deals, raising $30 million in capital[1][2]. While its shares are not yet publicly trading, the market has shown keen interest reflected by an oversubscribed private placement offering, indicating positive investor sentiment about the company’s plan to build its first underground nuclear reactor by July 2026[2][3]. CEO Liz Muller highlighted confidence in scaling rapidly, signaling optimism that is likely fueling cautious but favorable market reactions ahead of the OTCQB listing[3].
🔄 Updated: 9/8/2025, 9:20:20 PM
The U.S. Nuclear Regulatory Commission (NRC) is actively engaged with Deep Fission, having reviewed its conceptual design white paper, with Deep Fission expected to submit site-specific licensing applications in 2026, aiming for first U.S. reactor operations by 2029[4]. Additionally, the U.S. Department of Energy (DoE) included Deep Fission in its Nuclear Reactor Pilot Program, targeting reactor criticality by July 4, 2026, reflecting strong government support to reduce technical and regulatory risks[1][3]. These regulatory milestones underscore considerable federal alignment and oversight as Deep Fission advances its underground small modular reactor technology to commercialization.
🔄 Updated: 9/8/2025, 9:30:20 PM
Deep Fission’s stock opened at $3.00 per share in its unusual SPAC reverse merger with Surfside Acquisition Inc., following a heavily oversubscribed $30 million private placement. The market reacted positively, reflecting investor confidence in the company’s innovative underground nuclear reactor technology and its selection by the Department of Energy, with early trading showing stable demand at the offering price. CEO Liz Muller emphasized, “Deep Fission has the right technology, at the right time, and in the right place,” signaling strong growth expectations as the company moves toward its 2026 pilot reactor completion[1][2][4].
🔄 Updated: 9/8/2025, 9:40:21 PM
Deep Fission has gone public through a reverse merger with Surfside Acquisition Inc., raising $30 million to build its pilot borehole nuclear reactor targeting criticality by July 4, 2026. Its patent-pending technology places small modular pressurized water reactors one mile underground using natural geology to cut construction costs by up to 80%, aiming for electricity costs of 5-7 cents per kWh. This innovative integration of nuclear, drilling, and geothermal tech promises rapid scalability and aligns with the U.S. Department of Energy’s Reactor Pilot Program, positioning Deep Fission as a disruptive force in low-carbon energy infrastructure[1][2][4].
🔄 Updated: 9/8/2025, 9:50:21 PM
Deep Fission's entry into the public markets through a $30 million reverse merger with Surfside Acquisition Inc. significantly shifts the competitive landscape of advanced nuclear energy by accelerating its path to commercialization and infrastructure scaling[1][3]. Targeting deployment of its underground pilot reactor by 2026 with a goal to deliver electricity at 5-7 cents per kWh, Deep Fission’s cost-cutting approach—reducing construction expenses by up to 80% via natural geology integration—positions it to challenge incumbents reliant on traditional reactor designs[1]. CEO Liz Muller highlighted this moment as pivotal, stating, “Deep Fission has the right technology, at the right time, and in the right place,” underscoring the startu
🔄 Updated: 9/8/2025, 10:00:22 PM
Deep Fission's recent $30 million SPAC reverse merger to commercialize its innovative underground nuclear reactors has drawn international attention for its potential to revolutionize clean energy. The U.S. Department of Energy selected Deep Fission for its Reactor Pilot Program, targeting a first underground reactor by July 2026, while the company’s 2-gigawatt deal with Endeavor aims at global low-carbon data center markets by 2029, signaling strong international demand. Experts highlight that the approach, leveraging natural geology to reduce costs by up to 80%, could set new standards for nuclear safety and energy security worldwide, positioning Deep Fission as a disruptive force amid global decarbonization efforts[1][2][3].
🔄 Updated: 9/8/2025, 10:10:22 PM
Deep Fission's recent public listing via a reverse merger with Surfside Acquisition Inc. has drawn significant government engagement, notably its selection by the U.S. Department of Energy (DoE) for the Nuclear Reactor Pilot Program, which provides a streamlined permitting process aimed at achieving reactor criticality by July 4, 2026[1][2][3]. This program reduces technical and regulatory risks while underscoring strong federal support for Deep Fission’s underground small modular reactor technology. Additionally, as a public company, Deep Fission must comply with strict Securities and Exchange Commission (SEC) reporting requirements, reflecting increased regulatory scrutiny as it moves toward commercialization[1].
🔄 Updated: 9/8/2025, 10:20:11 PM
Deep Fission Nuclear has gone public through a reverse merger with Surfside Acquisition Inc., raising $30 million in a heavily oversubscribed private placement at $3.00 per share to fund its underground small modular reactor technology[1][2][5]. The company aims to deploy its first borehole reactor one mile underground by July 4, 2026, as part of the U.S. Department of Energy’s Reactor Pilot Program, targeting a levelized cost of electricity between 5-7 cents per kWh[1][2]. Additionally, Deep Fission signed a deal to build 2 gigawatts of subterranean nuclear power with data center developer Endeavour, positioning itself as a disruptive leader in low-cost, low-carbo
🔄 Updated: 9/8/2025, 10:30:13 PM
Deep Fission's recent $30 million SPAC reverse merger to go public has drawn significant global attention for its innovative underground nuclear reactors, with the company targeting deployment of 2 gigawatts of low-carbon power for international data centers by 2029. The U.S. Department of Energy (DOE) supports Deep Fission in its streamlined Reactor Pilot Program, aiming for a first reactor criticality by July 2026, while international stakeholders see promise in its cost-effective model projecting electricity costs of 5-7 cents per kWh, potentially influencing global clean energy strategies. Liz Muller, Deep Fission CEO, emphasized the technology's scalability to meet massive worldwide energy demand, signaling a shift toward safer, secure nuclear power solutions that coul
🔄 Updated: 9/8/2025, 10:40:15 PM
Deep Fission's recent public debut via a $30 million SPAC reverse merger has attracted considerable international attention for its innovative underground nuclear reactors, designed to be safer and more cost-effective by drilling a mile deep borehole for each reactor[1][2]. The company’s partnership with the U.S. Department of Energy’s Reactor Pilot Program and its plan to deploy 2 gigawatts of underground reactors for global data centers by 2029 signals strong U.S. governmental backing and growing international collaboration to meet low-carbon energy demands[1][3]. Industry experts highlight that this approach could reduce construction costs by up to 80%, aiming at energy pricing of 5-7 cents per kWh, positioning Deep Fission as a potential global leade
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