NewQ1 2026 Clean Energy Deal Intelligence Report is live
FinancingClosedJune 18, 2025

Natrium 345 MW Sodium-Cooled Fast Reactor — Kemmerer Power Station Unit 1, Wyoming

TerraPower Series funding round. Lead investor NVentures (NVIDIA's venture arm), with Bill Gates and HD Hyundai. First commercial advanced nuclear in US. Sodium-cooled fast reactor with molten salt energy storage (can ramp to 500 MW for ~5.5 hours). Site adjacent to retiring Naughton coal plant. Complements existing ~$2B DOE Advanced Reactor Demonstration Program award. NRC final safety evaluation issued for construction permit.

$650M

Deal Value

345MW

Capacity

Nuclear

Technology

WY

Location

Deal Details

Deal Type
Strategic & Growth Capital
Seller / Sponsor
TerraPower
Deal Value
$650M
Stage
Construction
ISO/RTO
Western

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