Valar Atomics' Ward 250 Reactor Powers Nvidia Blackwell System

In June 2026, Valar Atomics' Ward 250 small modular reactor (SMR) — a compact, factory-buildable nuclear unit — powered an Nvidia Blackwell system in Utah. Valar and Nvidia then announced plans for a waterless 30MW AI factory. The momentum preceded Valar's August 3, 2026 Series B: $1 billion led by Sequoia at a $6 billion valuation.