Oklo is building a multi-path nuclear fuel strategy around a proposed supply arrangement with Centrus Energy that could provide enough domestic HALEU for as many as five Aurora powerhouses for multiple years, while equipment for Oklo’s first Aurora fuel fabrication facility has entered manufacturing ahead of planned installation and startup activities in 2027.
Under the Centrus letter of intent, HALEU would be supplied from the American Centrifuge Plant in Pike County, Ohio. Potential deliveries are expected to begin in 2029, strengthening the fuel supply pathway for Oklo’s planned deployments as domestic HALEU availability remains a constraint for the advanced nuclear industry.
Oklo said the proposed supply could support up to five Aurora powerhouses for multiple years. The arrangement could also include prepayments by Oklo to support fuel supply for the company’s planned Ohio campus buildout.
The commercial HALEU agreement is one part of a broader strategy designed to avoid reliance on any single source of nuclear fuel. Oklo is simultaneously pursuing government-managed materials, surplus plutonium and recycled nuclear fuel as possible pathways to support Aurora deployment.
On the fabrication side, Oklo is developing the Aurora Fuel Fabrication facility at Idaho National Laboratory to produce fuel for the first Aurora core. Feedstock is expected to come from used EBR-II fuel recycled by INL. Fuel fabrication equipment has entered manufacturing, supporting planned installation and startup activities during 2027.
Oklo is also developing an Advanced Fuel Center in Tennessee for used nuclear fuel recycling. Facility and process-line engineering are progressing, NRC license-application readiness work is underway and civil engineering and site-grading permitting activities are advancing. A memorandum with Standard Nuclear creates a potential third-party offtake pathway for recycled material.
The company has additionally been selected for advance negotiations with the Department of Energy over potential access to surplus plutonium. Oklo views government materials as a potential bridge-fuel source that could support nearer-term reactor deployments while domestic enrichment capacity expands, although access remains subject to a final DOE agreement, safeguards and material allocation.
Those fuel investments are being developed alongside a growing portfolio of power assets. Oklo identifies Aurora-INL as a 75 MWe powerhouse, the planned Ohio clean-energy campus at 1.2 GWe, and an Eielson Air Force Base project consisting of a 5 MWe plus 60 MWth Aurora powerhouse.
Aurora-INL has received DOE approval of its preliminary documented safety analysis, allowing final design and construction to move forward with DOE alignment on the safety approach. Construction, procurement and system integration are advancing, with the documented safety analysis, readiness review and startup authorization among the remaining DOE milestones.
The larger Ohio campus is intended to establish a repeatable fleet-deployment model rather than a single-reactor development approach. Oklo is working with Kiewit on engineering, procurement and construction planning, while Meta’s long-term commitment provides demand visibility for phased deployment of multiple Aurora powerhouses.
Oklo has substantial liquidity to fund development across its power, fuel and isotope businesses. The company ended June with approximately $3 billion of cash and marketable securities, including $1.6 billion of cash and equivalents and $1.4 billion of marketable securities, after raising approximately $1.9 billion through ATM offerings during the first half.
Capital spending totaled $126.9 million during the first six months as Oklo increased property, plant and equipment investment across all three business units. The fuel strategy is therefore developing alongside a broader effort to vertically integrate reactor deployment, fuel production, recycling and isotope capabilities within a single nuclear platform.
