Meta inks 20-year nuclear deals for Prometheus AI, boosts Vistra and Oklo

Meta secured 20-year nuclear power agreements with Vistra, Oklo and TerraPower to supply its Prometheus AI data center. On January 9, 2026, Vistra rose 10.5% to $166.38 and Oklo closed 7.9% higher, while Meta said the combined arrangements could support up to 6.6 GW of clean energy by 2035.