The Department of Energy awarded General Matter $900 million in milestone-based funding to establish domestic HALEU enrichment capacity. The ten-year program will build a facility at the former Paducah Gaseous Diffusion Plant in Kentucky to supply advanced reactors with fuel currently in limited domestic supply.
What's happening
- DOE awarded General Matter $900 million in milestone-based funding in January 2026 to develop domestic high-assay low-enriched uranium enrichment capacity.
- The company plans to establish a new enrichment facility at the former Paducah Gaseous Diffusion Plant in Kentucky, with site preparation underway.
- The ten-year program addresses the domestic supply gap for HALEU fuel required by many advanced reactor designs.
Why it matters
- Domestic HALEU production eliminates dependence on foreign uranium enrichment for next-generation nuclear reactor fuel, a critical input for both defense and civilian power generation.
- The facility restores production capacity at a former enrichment site, reconstituting domestic nuclear fuel supply chain infrastructure.
- Advanced reactors powered by HALEU are central to military applications and grid resilience; limited fuel supply constrains deployment timelines.
Going deeper
- Founder Scott Nolan, a former SpaceX engineer and Founders Fund investor, spent a year identifying the HALEU supply gap before starting General Matter in 2024.
- General Matter was selected as part of Andreessen Horowitz's American Dynamism 50 list, which highlights 50 companies building scaled defense industrial capacity across systems, factories and inputs.
Financial impact
- DOE funding is milestone-based over ten years, with obligations and cash disbursements tied to development and operational milestones rather than upfront disbursement; timing of revenue recognition depends on milestone achievement and contractual terms not disclosed.
- Capital flows to manufacturing facility construction and equipment at Paducah site during 2026 and subsequent years as milestones are met.
The fine print
- Award amount is $900 million but structured as milestone-based funding, meaning actual disbursements depend on achievement of undisclosed performance milestones.
- Facility location at former Paducah Gaseous Diffusion Plant may carry environmental remediation obligations or regulatory complexities related to historical uranium enrichment operations.




