Deep Fission Raises $80 Million To Scale Underground Nuclear Reactor Technology
•February 10, 2026
0
Companies Mentioned
Why It Matters
The funding accelerates a low‑cost, low‑risk nuclear model that could supply baseload clean power to data‑intensive industries, addressing grid reliability and decarbonisation goals. Success would validate underground reactors as a scalable alternative to traditional nuclear projects.
Key Takeaways
- •$80M raised via restricted share sale.
- •Borehole reactors claim up to 80% cost reduction.
- •Blue Owl partners for clean power to data centers.
- •DOE selected Deep Fission for 2025 Reactor Pilot.
- •Pipeline targets 12.5 GW across United States.
Pulse Analysis
The nuclear sector has long wrestled with high capital costs, lengthy licensing, and public safety concerns, slowing the deployment of new reactors. Deep Fission’s borehole‑installed small modular reactors aim to sidestep many of these hurdles by leveraging proven oil‑field drilling techniques and geothermal heat‑transfer methods. By placing pressurised water reactors a mile underground in narrow boreholes, the company reduces surface footprint, shields the core from extreme weather, and simplifies construction logistics. This hybrid engineering model promises up to an 80 percent reduction in build‑out expenses compared with conventional plants.
The recent $80 million round, led by agents Seaport Global Securities and The Benchmark Company, brings together investors such as EE Holdings, Montrose Capital, and Blue Owl Capital’s Real Assets platform. Blue Owl’s involvement signals strong demand from digital‑infrastructure owners seeking reliable, carbon‑free baseload power for AI clusters and data centres. The capital will accelerate the Parsons, Kansas pilot and expand the company’s 12.5 GW pipeline, while Goldman Sachs remains the exclusive financial adviser for future fundraising. This financial backing underscores growing confidence in underground nuclear as a commercial reality.
If the pilot demonstrates safe, continuous operation, Deep Fission could reshape the United States’ clean‑energy roadmap. Regulators may view the underground configuration as a lower‑risk deployment, potentially shortening licensing timelines. A successful rollout would provide utilities and tech firms with a domestic, scalable source of round‑the‑clock power, reducing reliance on intermittent renewables and imported fuels. Moreover, the model’s reliance on existing oil‑and‑gas supply chains could create new jobs while repurposing legacy infrastructure, positioning underground reactors as a pragmatic bridge toward a net‑zero grid.
Deep Fission Raises $80 Million To Scale Underground Nuclear Reactor Technology
Deep Fission Secures Fresh Capital To Advance Borehole Reactor Projects
Deep Fission has raised $80 million in new financing. The company sold more than five million restricted shares at a fixed price of $15 per share. Seaport Global Securities and The Benchmark Company acted as agents. Key investors included Ed Eisler of EE Holdings and Mark Tompkins of Montrose Capital. Both supported earlier rounds in 2025.
The company develops small modular pressurised water reactors. These systems are installed one mile underground in deep boreholes. This approach is designed to reduce costs and speed up deployment. The system uses supply chains from oil, gas, and geothermal industries. Deep Fission estimates that this method can lower construction costs by up to 80 per cent.
Deep Fission also announced a new strategic relationship with Blue Owl Capital’s Real Assets platform. The two companies will deploy reactor projects for Blue Owl’s digital infrastructure portfolio. These reactors aim to deliver round-the-clock clean power to U.S. electricity grids. They also support the next generation of nuclear and AI technologies.
Liz Muller is the Co-founder and CEO. She said the company is thrilled to complete the new round. She said Blue Owl will support Deep Fission’s push for scalable clean energy. She said the team is ready to show what next-generation nuclear technology can achieve.
More News: Matia Raises $21 Million To Build Unified AI Data Infrastructure
A New Model for Nuclear Deployment Through Deep Boreholes
Deep Fission combines three established fields. It uses pressurised water reactor technology. It uses deep drilling techniques from the oil and gas sector. It also uses heat-transfer methods from geothermal applications. This blend creates a reactor design that can be installed below ground in narrow, stable boreholes.
The company believes that underground installations reduce surface impact. They also limit construction complexity. They reduce exposure to severe weather. They support lower operational costs. This model also removes many of the barriers that slow conventional nuclear projects.
The design relies on proven global supply chains. It also uses established engineering processes. This reduces risk. It also supports faster scaling compared to traditional nuclear systems.
Deep Fission was selected for the U.S. Department of Energy’s Reactor Pilot Program in 2025. The company has now broken ground on its first pilot site in Parsons, Kansas. It also holds a development pipeline of 12.5 GW. This shows strong interest in underground nuclear technology across many regions.
Growing Momentum Backed by Strategic Investors and Large-Scale Plans
Blue Owl Capital joined this round through a managed fund. This investment signals rising interest from digital infrastructure players. They want stable baseload power that can support AI, data centres, and high-load systems. Blue Owl plans to work with Deep Fission to deploy clean power across these sites. These projects aim to improve grid stability and energy security.
Goldman Sachs acted as exclusive financial adviser. The firm will continue to support Deep Fission’s long-term plans. This includes capital strategy and future financing needs. The company’s pipeline requires sustained investment. This is due to the scale of the deployments and the engineering involved.
Deep Fission wants to expand operations across the United States. It also plans to strengthen its engineering teams. It aims to commercialise its next wave of underground reactor systems. The company expects demand from data-heavy sectors. It also expects interest from regions seeking stable low-carbon energy.
The company continues to highlight its safety model. Underground placement creates separation from communities. It reduces exposure to external threats. It also helps manage heat transfer more efficiently. This design supports a predictable operating profile.
A Technology Rooted in Family Leadership and Long-Term Vision
Deep Fission was founded in 2023 by Liz Muller and her father, Rich Muller. The team includes scientists, engineers, and entrepreneurs. Their goal is to deliver safe, scalable, low-carbon nuclear systems. They want reactors that can power modern industries without the delays seen in traditional nuclear projects.
The company’s first commercial steps are already in motion. The Parsons pilot will demonstrate the underground installation model. It will also test long-term operations and maintenance. The results will guide future deployments in the 12.5 GW pipeline. They will also inform discussions with regulators and grid operators.
Deep Fission focuses on affordability. It focuses on reliability. It focuses on scale. These goals fit the needs of data-driven industries. They also align with national plans for clean power expansion. The company aims to show that nuclear energy can be compact. It can be efficient. It can be safe. It can also be deployed faster when supported by the right design principles.
The new funding strengthens this path. It supports engineering. It supports deployment. It supports commercial partnerships. The company believes its borehole model could reshape nuclear development. It wants to offer a new way to produce clean power at scale.
To stay updated on crypto venture capital funding and market trends, visit our venture capital news section for more insights.
The post Deep Fission Raises $80 Million To Scale Underground Nuclear Reactor Technology appeared first on Ventureburn.
0
Comments
Want to join the conversation?
Loading comments...