![.](/sites/default/files/styles/embed_image_large_480px_width_/public/2025-01/An%20aerial%20view%20from%20the%20northwest%20corner%20of%20the%20X-333.jpg?itok=CcrDbipd)
Portsmouth Site personnel ended 2024 by accomplishing a U.S. Department of Energy Office of Environmental Management (EM) priority for the year: completion of deactivation of the 33-acre X-333 Process Building, the second of three massive process buildings at the site to be deactivated to prepare for demolition.
![.](/sites/default/files/styles/embed_image_large_480px_width_/public/2024-12/Approximately%202%2C150%20feet%20underground%20at%20the%20Waste%20Isolation%20Pilot%20Plant%20in%20New%20Mexico.jpg?itok=YGmqWGYv)
The U.S. Department of Energy Office of Environmental Management (EM) recently awarded performance-based fee payments to 14 of its contractors at sites across the DOE complex, including Hanford, Savannah River, Paducah, Portsmouth, Waste Isolation Pilot Plant, Idaho, Nevada, Los Alamos, and Savannah River National Laboratory.