The BuildJune 18, 2026via Hacker News
TerraPower in Deal with Meta for Eight Natrium 345 MW Advanced Nuclear Plants
Why it matters
Meta's commitment to eight Natrium 345 MW reactors signals a major shift in how AI leaders are solving the compute power problem—moving beyond traditional grids to secured, long-term nuclear infrastructure. This is infrastructure-as-competitive-advantage.
Key signals
- Meta secures eight Natrium 345 MW advanced nuclear plants
- Total capacity: 2.76 GW (8 × 345 MW)
- TerraPower Natrium is a sodium-cooled fast reactor technology
- Deal represents long-term power security for AI data center operations
- Advanced nuclear enables higher power density than traditional grid sources
- This follows similar power-securing moves by xAI, Google, and other hyperscalers
The hook
Meta just locked in 2.76 GW of advanced nuclear power. Here's why AI companies are betting billions on Natrium.
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