Aurora microreactor; pursuing a build-own-operate power model.
The DOE granted Oklo startup authorization for its Groves Isotope Test Reactor, clearing the way to load fuel, run startup testing, and proceed toward first criticality — which Oklo targets this month. It's an early result of the federal Reactor Pilot Program's DOE-authorization pathway, which aims to fast-track advanced reactors outside national labs.
The NRC proposed a sweeping rule updating licensing, safety oversight and siting across a plant's whole lifecycle — risk-informed alternatives, performance-based emergency planning for all reactor types, longer license renewals. 45-day comment period.
Oklo acquired Creative Engineers (CEI), a chemical-process-engineering firm specializing in sodium and alkali-metal systems directly relevant to its sodium-cooled Aurora reactor — its second in-house acquisition this month after ARMEC.
The U.S. NRC proposed rewriting its licensing framework for advanced nuclear fuel — a regulatory shift bearing on the SMR field broadly.
Oklo acquired ARMEC, an Oak Ridge precision-manufacturing firm, to bring high-precision machining for its reactor and fuel programs in-house — a vertical-integration step (deal closed early June).
Oklo / US DOE — DOE's Idaho office approved the Preliminary Documented Safety Analysis (PDSA) for Oklo's Aurora-INL under the Reactor Pilot Program — a staged framework letting advanced reactors build on a federal site under DOE oversight instead of waiting on full NRC licensing. It clears the safety basis for construction (not commercial operation); Oklo pursues NRC licensing separately for commercial units.
Oklo / Idaho National Lab — Oklo broke ground (22 Sep 2025) on Aurora-INL — its first Aurora Powerhouse, a 75-MWe liquid-metal-cooled, metal-fueled fast reactor at Idaho National Laboratory (building on EBR-II heritage) under DOE's Reactor Pilot Program, with Kiewit as lead constructor.
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