In 1950, the Atomic Energy Commission, a predecessor agency to DOE, selected a 3,556-acre tract of government-owned land near Paducah, Kentucky, as the location to construct a second gaseous diffusion uranium enrichment plant (GDP) to support US national security needs. The Paducah GDP enriched uranium from 1952 to 2013 and was the last government-owned uranium enrichment facility operating in the United States. The Paducah GDP produced low-enriched uranium originally as feedstock for nuclear weapons materials and later for commercial nuclear power plants.
Paducah Photo Gallery
Paducah News
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U.S. Department of Energy Office of Environmental Management Assistant Secretary Tim Walsh discusses opportunities for economic growth at EM’s Paducah Site with community leaders during a recent visit. January 13, 2026January 13, 2026
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The U.S. Department of Energy Office of Environmental Management partnered with a University of Kentucky consortium and research center to complete field work culminating a larger investigation that provides valuable geologic data for upcoming cleanup decisions at the Paducah Site. January 13, 2026January 13, 2026
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Thanks to their safe and successful cleanup work in 2025, the Portsmouth and Paducah sites demonstrated the strong role the U.S. Department of Energy Office of Environmental Management plays in advancing American energy dominance and innovation. December 23, 2025December 23, 2025
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The Paducah Site Protective Force has marked 106,000 miles of driving without any accidents in one year. December 23, 2025December 23, 2025
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Cleanup crews are wrapping up work to prepare the C-333 Process Building for future demolition. December 16, 2025December 16, 2025
Acting Site Manager
Reinhard Knerr is the Acting Manager of the Department of Energy's Portsmouth/Paducah Project Office (PPPO). In this role, he oversees the deactivation and demolition of the former gaseous diffusion facilities at the Portsmouth, Ohio and Paducah, Kentucky sites, and the Depleted Uranium Hexafluoride (DUF6) Conversion Project at both locations.
Click here to view full bio.
High-Level Budget Information
FY24 Requested (in the millions) | FY24 Enacted (in the millions) | FY25 Requested (in the millions) | FY25 Enacted (in the millions) | FY26 Requested (in the millions) |
| $304 | $334 | $330 | $344 | $332 |
For more information on the Office of Environmental Management's budget process and performance check out the Budget & Performance page.