Ward 250 Test Reactor Criticality Achievement

Valar Atomics has achieved criticality with its Ward 250 test reactor at the Utah San Rafael Energy Lab, a milestone for the Department of Energy.

ENERGY, DEPARTMENT OF


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Jun 22, 2026 12:00 PM
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Description

Valar Atomics, a startup based in El Segundo, California, has successfully brought its Ward 250 test reactor to criticality at the Utah San Rafael Energy Lab (USREL). This achievement marks the company as the second to reach this milestone under the Department of Energy's oversight.

Classification Codes
NAICS221113Nuclear Electric Power Generation
PSCAG54NUCLEAR - ENGINEERING DEVELOPMENT
Smart Codes
test reactornuclear criticalityenergy research
Timeline
Jun 22, 2026-Posted Date
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