![[saltfoss-logo-v1-WG.png|300]] Website: [saltfoss.com](https://saltfoss.com) ### Introduction Saltfoss Energy, previously known as [[Seaborg Technologies]], is a private Danish startup founded in 2014 by a group of physicists in Copenhagen, Denmark. Headquartered in Copenhagen, the company was established with a mission to revolutionize nuclear energy by developing inherently safe, sustainable, and cost-effective nuclear power solutions using molten salt reactor technology. The team behind Saltfoss Energy includes experts with educational and professional roots at prestigious institutions such as the Niels Bohr Institute, CERN, the European Spallation Source (ESS), and the Technical University of Denmark (DTU). While exact employee numbers are not publicly disclosed in the latest available data, the company operates as a small, focused team of physicists, chemists, and engineers dedicated to advancing nuclear fission technology ([saltfoss.com/about](https://saltfoss.com/about); [Wikipedia](https://en.wikipedia.org/wiki/Saltfoss_Energy)). As a private entity, Saltfoss Energy does not have a publicly traded ticker symbol. The company rebranded from [[Seaborg Technologies]] to Saltfoss Energy in April 2025, with the new name reflecting its focus on molten salt technology and drawing from the Old Norse word “foss,” meaning a powerful waterfall, symbolizing the potential scale of energy production. Since its inception, Saltfoss has aimed to address global energy challenges by creating compact, safe nuclear reactors that could transform the energy landscape ([World Nuclear News](https://www.world-nuclear-news.org/articles/denmarks-seaborg-changes-name-and-adds-to-board)). ### Key Products and Technology Saltfoss Energy is focused on the development of a single flagship technology, detailed as follows: - **Compact Molten Salt Reactor (CMSR) – Molten Salt Reactor** - **Technical Specifications**: Specific power output figures (in MW or MWe) and efficiency metrics are not publicly detailed in the latest information. However, the CMSR is designed to be significantly smaller than traditional nuclear reactors, enabling flexibility in deployment. - **Fuel Type or Energy Source**: The CMSR utilizes molten salt as both coolant and fuel carrier, a design that allows for continuous operation and inherent safety mechanisms. - **Key Differentiators**: The reactor is touted as inherently safe due to its molten salt design, which prevents meltdowns by passively cooling in the event of a failure. Its compact size offers cost advantages and adaptability for various settings compared to larger traditional reactors. - **Development Stage**: The CMSR remains in the conceptual and design phase, with no indication of operational units or construction underway as of the latest updates in 2025. The company is focused on further R&D and regulatory preparation. - **Target Customers**: Potential customers include utilities seeking sustainable baseload power, industrial sectors needing reliable energy, and possibly governments or regions aiming for energy independence with low-carbon solutions ([saltfoss.com](https://saltfoss.com); [Wikipedia](https://en.wikipedia.org/wiki/Saltfoss_Energy)). ### Regulatory and Licensing Status As a Denmark-based company developing nuclear technology, Saltfoss Energy is not directly under the jurisdiction of the U.S. Nuclear Regulatory Commission (NRC). Instead, its regulatory pathway likely involves European nuclear safety authorities, such as those under the European Atomic Energy Community (Euratom) or national Danish regulators. However, there is no specific public information available on its regulatory application status, whether it has submitted designs for certification, or achieved key milestones as of the latest data in 2025. The company’s website and news sources do not mention active licensing processes or timelines for regulatory approval ([saltfoss.com](https://saltfoss.com)). Given its early development stage, it is reasonable to infer that Saltfoss Energy is still in pre-application or conceptual phases with regulatory bodies. There are no publicly documented upcoming milestones or estimated timelines for first commercial deployment, which suggests that commercial operation is likely years away, pending further design validation and regulatory engagement. If the company seeks to deploy in markets like the U.S., it would need to engage with the NRC for design certification or combined licensing, but no such plans have been announced ([World Nuclear News](https://www.world-nuclear-news.org/articles/denmarks-seaborg-changes-name-and-adds-to-board)). ### Team and Leadership Specific details on Saltfoss Energy’s current leadership team, including names and bios of key executives such as the CEO or CTO, are not comprehensively available in the public domain based on the latest information. The company’s official website and related sources mention that it was founded by a group of physicists, but individual identities and roles are not specified ([saltfoss.com/about](https://saltfoss.com/about)). Additionally, no verified X handles or LinkedIn profiles for key personnel were identified in the search data. As such, this section remains limited due to the lack of publicly disclosed information. Further updates may be available through direct contact with the company or future press releases. ### Funding and Financial Position Saltfoss Energy’s total funding raised and details of specific investment rounds are not fully disclosed in publicly available sources as of 2025. The company, being private, does not publish detailed financial statements or revenue figures. There are no mentions of recent funding rounds, lead investors, or specific amounts raised in the current year’s news or on platforms like PitchBook, though general profiles exist for investor research ([PitchBook](https://pitchbook.com/profiles/company/265280-86)). It is also unclear whether Saltfoss has secured key institutional investors or strategic backers beyond general interest from the nuclear innovation sector. Given its development stage, Saltfoss Energy is likely pre-revenue, focusing on R&D rather than commercial contracts or operational income. The lack of detailed financial data limits a full assessment, but the company’s rebranding and ongoing projects suggest active efforts to attract investment and partnerships ([World Nuclear News](https://www.world-nuclear-news.org/articles/denmarks-seaborg-changes-name-and-adds-to-board)). ### Recent News and Developments | Date | Event | Details | |---------------|---------------------------------|---------------------------------------------------------------------------------------------| | Apr 3, 2025 | Name Change and Board Update | Seaborg Technologies rebranded to Saltfoss Energy, reflecting its molten salt focus, and added the former mayor of Aarhus to its board ([World Nuclear News](https://www.world-nuclear-news.org/articles/denmarks-seaborg-changes-name-and-adds-to-board)). | | Apr 1, 2025 | Website Update | Saltfoss Energy updated its website to highlight a new nuclear power plant concept distinct from existing technologies ([saltfoss.com](https://saltfoss.com)). | | Jan 15, 2025 | Company Mission Reaffirmed | Saltfoss Energy reiterated its mission to rethink nuclear energy with safe, sustainable solutions on its "About Us" page ([saltfoss.com/about](https://saltfoss.com/about)). | | May 26, 2025 | Mention in Industry Article | Saltfoss Energy noted among nuclear fission startups gaining attention from Big Tech for energy demands, though specific partnerships were not detailed ([TechCrunch](https://techcrunch.com/2025/05/26/here-are-the-nuclear-fission-startups-backed-by-big-tech/)). | | N/A, 2025 | General Profile Updates | Profiles updates on platforms like LeadIQ and PitchBook, though no specific financial or project milestones were reported ([LeadIQ](https://leadiq.com/c/saltfoss-energy/5a1dba552300005200b75b52)). | Note: Due to limited news coverage in 2025, only key events are listed. Additional developments may not be publicly documented at this time. ### Partnerships and Collaborations Saltfoss Energy has limited publicly documented partnerships as of the latest information in 2025. One notable mention is a joint feasibility study with Thailand’s Global Power Synergy Public Company Limited (GPSC), as reported in April 2025. This study focuses on the potential deployment of floating molten salt reactors, though specific outcomes or strategic value remain under evaluation ([World Nuclear News](https://www.world-nuclear-news.org/articles/denmarks-seaborg-changes-name-and-adds-to-board)). No further details on utility agreements, offtake contracts, or government program involvement were found. The company’s focus appears to be on early-stage collaborations and technology validation rather than large-scale commercial partnerships at this point. ### New Hampshire Relevance Saltfoss Energy’s Compact Molten Salt Reactor (CMSR) could theoretically align with [[New Hampshire]]’s energy needs, particularly given the state’s existing nuclear infrastructure at [[Seabrook Station]] and its connection to the ISO New England (ISO-NE) grid. The CMSR’s compact design and inherent safety features could make it a candidate for providing baseload power to the grid, supporting data center growth in the region, or supplying industrial heat for local industries. New Hampshire’s legislative initiatives, such as HB 710 which explores advanced nuclear options and small modular reactor (SMR) provisions, suggest a potential regulatory openness to innovative nuclear technologies like those Saltfoss is developing. However, several challenges temper this fit. Saltfoss Energy’s technology is still in the conceptual/design phase, far from commercial readiness, which does not align with near-term deployment timelines in New Hampshire. Additionally, as a Denmark-based company, there are no known connections or expressed interest in the Northeast U.S. market as of 2025. Proximity to [[Seabrook Station]] offers logistical advantages for nuclear expertise and grid integration, but without active U.S. partnerships or regulatory engagement with the NRC, deployment in NH remains speculative and likely years away. The company would need to prioritize U.S. market entry and licensing to be viable for NH applications. ### Competitive Position Saltfoss Energy operates in the competitive landscape of advanced nuclear fission startups, particularly those focused on molten salt reactors and small modular reactors (SMRs). Compared to competitors like **[[Moltex Energy]]**, which is developing the Stable Salt Reactor (SSR) with a focus on grid-scale power and partnerships in Canada and the UK, Saltfoss’s CMSR emphasizes compactness and inherent safety but lacks public milestones or deployment timelines. Another competitor, **[[Copenhagen Atomics]]**, also based in Denmark, is advancing molten salt technology with plans for testing by 2026, potentially outpacing Saltfoss in regulatory and technical progress as noted in posts on X. A third competitor, **[[TerraPower]]**, backed by significant U.S. investment and focusing on Natrium reactors, has more advanced regulatory engagement with the NRC and concrete project timelines. Saltfoss’s unique advantage lies in its compact design for flexibility, but its early-stage status and limited partnerships pose risks compared to more established players. ### Closing Note Saltfoss Energy is an early-stage nuclear startup with a promising focus on compact molten salt reactors, poised for potential growth but currently limited by a lack of concrete milestones or commercial traction. *Report generated December 24, 2025*