Deactivation & Decommissioning (D&D) News

A building at the Oak Ridge Site being demolished
Crews removed 64 million pounds of waste from Oak Ridge’s cleanup sites in 2025, a tally showcasing the pace and progress of projects clearing away old infrastructure and preparing numerous buildings for demolition. December 23, 2025
Before and after photos of demolition on a building at the Idaho Site
The Idaho Cleanup Project has closed the first chapter of cleanup of three legacy nuclear propulsion prototypes at the Naval Reactors Facility by completing deactivation and demolition of the defueled Submarine 1st Generation Westinghouse — the historic Navy prototype that helped develop the first nuclear-powered submarine, USS Nautilus. December 23, 2025
Aerial view of the Bettis Laboratory
The U.S. Department of Energy Office of Environmental Management will demolish two buildings and address potentially contaminated soil in the project footprint in the Bettis Atomic Power Laboratory’s C-Area, where legacy facilities were used to support design and development of nuclear propulsion systems for the U.S. Navy. December 9, 2025
Workers in safety gear rolling out a large black cylinder
With crews in the early stages of demolishing X-333, the second of the Portsmouth Site’s three former uranium process buildings, U.S. Department of Energy Office of Environmental Management leaders at the site are emphasizing the number one priority: safety of the workforce and community. November 25, 2025