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Home - Energy - “We’re Drilling Nuclear Reactors Underground”: This $30 Million Project That Could Power America While Everyone Sleeps Above

“We’re Drilling Nuclear Reactors Underground”: This $30 Million Project That Could Power America While Everyone Sleeps Above

Deep Fission Nuclear is set to transform the nuclear energy landscape by securing $30 million to develop an innovative underground micro-reactor, promising enhanced safety, cost efficiency, and environmental protection.
Gabriel CruzGabriel Cruz09/23/202515
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Illustration of Deep Fission Nuclear's underground micro-reactor installation plan.
Illustration of Deep Fission Nuclear's underground micro-reactor installation plan.
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IN A NUTSHELL
  • 🔋 Deep Fission Nuclear plans to transform the energy sector with an underground micro-reactor.
  • 💰 Secured $30 million aims to address cost efficiency by reducing construction expenses by up to 80%.
  • 🛡️ Underground placement enhances safety and security against accidents and sabotage.
  • 🔧 Innovative design uses Low-Enriched Uranium and operates at 600 °F for efficient energy generation.

In a groundbreaking move, Deep Fission Nuclear is poised to revolutionize the nuclear energy sector with its innovative underground reactor project. The U.S.-based startup recently secured $30 million in funding to support the installation of a micro-reactor, set to be operational by July 4, 2026. This initiative is part of the U.S. Department of Energy’s Reactor Pilot Program, which aims to explore new nuclear technologies. By positioning the reactor a mile underground, Deep Fission aims to address some of the most critical concerns surrounding nuclear energy, including cost, safety, and security, making this project a potential game-changer in the energy landscape.

Innovative Solution to High Costs

The financial burden of constructing traditional nuclear power plants has long been a deterrent for investment in nuclear energy. These plants often require extensive civil engineering, resulting in exorbitant costs and lengthy construction timelines. By relocating the reactor to a mile-deep borehole, Deep Fission proposes a strategy that could significantly reduce these expenses. The underground location allows for a simplified design, potentially cutting above-ground construction costs by up to 80 percent. This move could make nuclear power more financially viable, attracting investment and accelerating deployment.

Moreover, the reduced footprint of the plant, which covers only a quarter to a half-acre, further decreases land use and associated costs. This compact design not only lowers construction expenses but also minimizes the environmental impact, making it an attractive option for sustainable energy production. By addressing the financial challenges head-on, Deep Fission’s approach could pave the way for more widespread adoption of nuclear technology.

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Enhancing Safety and Security

Safety and security concerns have historically plagued the nuclear industry, with fears of catastrophic accidents and potential terrorist threats. Deep Fission's underground reactor offers a novel solution to these issues. The reactor's placement deep beneath the Earth's surface inherently provides a layer of protection, reducing the risk of accidents and sabotage. In the event of damage, the borehole can be filled with rubble and concrete, effectively containing any potential hazards.

The geological stability of the chosen sites further enhances safety. By drilling deep beyond the water table, the reactor is situated in an environment where uranium cannot easily leach into surrounding areas, even over extended periods. This strategic location not only safeguards the water table but also ensures long-term environmental stability. As a result, Deep Fission's design presents a compelling case for redefining safety standards in the nuclear sector.

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Technical Specifications and Operation

The technical design of Deep Fission's reactor is both innovative and efficient. The self-contained 15-MWe modular reactor utilizes Low-Enriched Uranium (LEU) as fuel and operates at a temperature of 600 °F. The reactor, positioned at the bottom of a water-filled borehole, is connected to two insulated pipelines. One pipeline transports water down, while the other brings non-radioactive steam back to the surface to power turbines and generate electricity.

One of the standout features of this setup is the natural pressurization system. The water column and surrounding rock achieve a pressure of 2,352 psi without the need for additional equipment, simplifying the design and reducing maintenance requirements. This efficient system underscores the potential for Deep Fission's technology to transform the way nuclear power is generated and harnessed.

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Potential for Widespread Impact

With the pilot plant expected to be completed in just six months, Deep Fission's technology is not only innovative but also rapidly deployable. If successful, this approach could deliver electricity to the grid at competitive rates of five to seven cents per kWh. The scalability of the technology positions it well to meet the growing energy demands driven by industries such as AI data centers.

Liz Muller, Co-Founder and CEO of Deep Fission, expressed optimism about the project's potential impact. She highlighted the unique opportunity this technology presents to meet global energy demands efficiently and profitably. As the world continues to seek sustainable energy solutions, Deep Fission's initiative could play a crucial role in shaping the future of nuclear power.

Deep Fission Nuclear's underground reactor project represents a bold step forward in addressing some of the most pressing challenges facing the nuclear energy industry. By combining cost-effective construction, enhanced safety measures, and innovative technology, this initiative holds promise for reshaping the energy landscape. As the project progresses, it raises an intriguing question: Could this approach signal a new era for nuclear energy, leading to broader acceptance and integration into the global energy mix?

This article is based on verified sources and supported by editorial technologies.

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Gabriel Cruz has been a journalist at Sustainability-Times.com for five years. Trained in journalism in London, he is also a passionate activist for environmental justice and sustainable development. Contact: [email protected]

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View 15 Comments
15 Comments
  1. Christina on 09/23/2025 9:06 AM

    Fascinating idea! But what about the risk of earthquakes? 🌍

    Reply
  2. Christopher on 09/23/2025 9:07 AM

    Is it safe to have nuclear reactors underground? Seems like a risky move to me.

    Reply
  3. terry8 on 09/23/2025 9:37 AM

    So we’re going to have nuclear reactors underground while we sleep? Sounds like a sci-fi movie! 😅

    Reply
  4. Adrienne2 on 09/23/2025 10:07 AM

    Spelling error in the article: “revolutionzie” instead of “revolutionize”.

    Reply
  5. Aliportal on 09/23/2025 10:09 AM

    Wow, cutting construction costs by 80% is impressive! 🤑

    Reply
  6. pauline on 09/23/2025 10:37 AM

    How will this affect local wildlife and ecosystems?

    Reply
  7. philip on 09/23/2025 11:07 AM

    Great to see innovation in the energy sector! 👏

    Reply
  8. Sandra on 09/23/2025 11:12 AM

    Will this project actually reduce our electricity bills or just make investors richer? 🤔

    Reply
  9. valerie on 09/23/2025 11:38 AM

    If it cuts costs by 80%, why isn’t everyone doing this already?

    Reply
  10. Malikaeternity on 09/23/2025 12:08 PM

    Thank you for bringing this to our attention. This could be a game-changer for clean energy.

    Reply
  11. Amelia on 09/23/2025 12:16 PM

    What happens if there’s an earthquake? 😬

    Reply
  12. Valerie9 on 09/23/2025 12:39 PM

    What happens in case of a leak underground? 🤔

    Reply
  13. helen on 09/23/2025 1:09 PM

    Can this technology be used in other countries or just the U.S.?

    Reply
  14. paula_leaf on 09/23/2025 1:19 PM

    This sounds like a supervillain plot. “Nuclear reactors underground”—what could go wrong? 😂

    Reply
  15. marymaze on 09/23/2025 1:40 PM

    Doesn’t the underground location make maintenance more complicated?

    Reply
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