Valar Atomics is developing grid-independent nuclear energy systems for heavy industrial power, hydrogen, data-center power, and clean hydrocarbon fuel production. Its core technology is a Generation IV high-temperature gas reactor architecture using TRISO fuel, graphite moderation, and helium cooling; Ward 250 is its reactor test program. On November 17, 2025, Valar Atomics and Los Alamos National Laboratory announced that the NOVA Core achieved zero-power criticality at the Nevada National Security Site, validating key physics models for Ward 250.
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