TerraPower in Deal with Meta for Eight Natrium 345 MW Advanced Nuclear Plants
neutronbytes.com
June 18, 2026
24 min read
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Summary
TerraPower has entered a major agreement with Meta to develop eight Natrium advanced nuclear plants, each with a capacity of 345 MW. The U.S. Department of Energy has allocated $2.7 billion for uranium enrichment initiatives.
Key Takeaways
- TerraPower and Meta have entered a commercial agreement to develop up to eight Natrium advanced nuclear plants, each providing 345 MW of baseload power.
- The deal will enable Meta to receive up to 2.8 GW of carbon-free energy, supporting its data centers and AI capabilities.
- The initial Natrium units are expected to be delivered as early as 2032, with a total project cost estimated at around $17 billion.
- Each Natrium reactor includes built-in energy storage, allowing for a total output boost to 4 GW of power.
Coverage & discussions
Hacker News · neutronbytes.com
Community discussions
Community Sentiment
Positives
- Meta's investment in advanced sodium-cooled reactors could provide up to 2.8 GW of carbon-free, baseload energy, significantly contributing to sustainable energy solutions.
- The innovative built-in energy storage system of the Natrium technology enhances the potential output to 4 GW, showcasing advancements in energy efficiency and reliability.
Concerns
- Concerns about Meta's ability to effectively manage nuclear reactor operations arise, as many believe such critical infrastructure should remain under utility control to prevent misuse.
- Skepticism exists regarding the feasibility of building eight production reactors by 2031, given the regulatory hurdles and the company's past performance in unrelated ventures.
- Doubts about the performance claims of the Natrium reactors are raised, especially since they have not yet been built, leading to questions about their reliability and uptime.
