Oklo's Groves Isotope Test Reactor Achieves First Criticality
Oklo, a U.S. advanced nuclear technology company, announced on August 6 that its Groves Isotope Test Reactor has achieved a controlled self-sustaining nuclear chain reaction at low power, reaching first criticality. This milestone comes less than a year after the project broke ground. Groves Isotope Test Reactor facility (Image: Groves) The Groves low-power test reactor, located in Lockhart, Texas, is the first reactor to achieve criticality on private land under the U.S. Department of Energy's Reactor Pilot Program. According to Oklo, the facility was built from undeveloped land, completing civil excavation, engineering construction, component fabrication or procurement, fuel configuration, and...
2026-08-07
