A 1987 photo of Minamitorishima Island, site of a U.S. Coast Guard station from 1964 to 1993. (Photo: Don Sutherland, U.S. Air Force/Wikimedia Commons)
Japan will study the possibility of siting a deep geologic repository for high-level radioactive waste on the remote island of Minamitorishima, about 1,200 miles southeast of Tokyo.
Masaaki Shibuya, mayor of the village of Ogasawara, reportedly expressed his willingness to allow Japan’s government to proceed with a preliminary survey, called a literature survey, of the island, which is one of several within the Ogasawara Islands.
A prototype nuclear waste canister (not the UPWARDS UCS) sits in a drillhole receptacle during equipment field tests in 2023. (Photos courtesy of Deep Isolation)
When the Department of Energy’s Advanced Research Projects Agency–Energy launched the Optimizing Nuclear Waste and Advanced Reactor Disposal Systems (ONWARDS) program in 2022, it posed a challenge that the nuclear industry had never seriously confronted before: how to design waste management solutions that anticipate the coming shift to advanced reactors and not merely retrofit existing systems built for an older generation of technology. The program’s objectives were ambitious—reduce disposal footprint, enable scalable pathways for unfamiliar waste streams, and build the technical foundations for future disposal—yet also tightly grounded in the realities of emerging nuclear fuel cycles. For the nuclear community, this was a timely call. Advanced reactors were accelerating toward deployment, but the waste management systems needed to support them had not kept pace.
A photo from inside the AX-101 underground waste tank at the DOE’s Hanford Site in Washington. (Photo: DOE)
A clearer definition of what constitutes high-level radioactive waste could save the Department of Energy’s Office of Environmental Management “tens of billions of dollars” in waste management costs and accelerate its cleanup schedule by decades, according to a report by the U.S. Government Accountability Office.
DOE-EM’s efforts to manage waste resulting from legacy spent nuclear fuel reprocessing have been hindered for decades by the ambiguity of the statutory definition of HLW as laid out in the Atomic Energy Act and Nuclear Waste Policy Act, the report states. While admitting that the DOE has taken steps to overcome this ambiguity, the GAO says that the department has not fully evaluated all available opportunities to treat and dispose of waste more economically as either transuranic or low-level radioactive waste.
Schematic of a deep horizontal borehole repository for nuclear waste. (Image: Deep Isolation)
Waste disposal technology company Deep Isolation Nuclear has claimed that results of a study it conducted with reactor developer Oklo demonstrate that deep borehole disposal could be an option for disposing of high-level radioactive waste generated from the recycling of advanced reactor fuel.
Hunterston B nuclear power plant in 2018. (Photo: Thomas Nugent/CC BY-SA 2.0)
Beginning April 1, the U.K.’s Nuclear Decommissioning Authority (NDA) and its subsidiary Nuclear Restoration Services (NRS) will take over the closed Hunterston B nuclear power plant for decommissioning. Located in North Ayrshire, Scotland, Hunterston B was shut down in 2022 after 46 years of service and is one of seven advanced gas-cooled reactor stations owned and operated by EDF Energy in the United Kingdom.
Laurent Jerrige, JRC director for nuclear decommissioning (left), and Pavol Stuller, Amentum’s European development director, sign the JRC site cleanup contract. (Photo: Amentum)
The European Commission Joint Research Centre (JRC) awarded a framework contract worth $112 million (about €97.6 million) to an Amentum-led joint venture to lead the cleanup of nuclear research sites in four European countries.
Hanford’s Waste Treatment and Immobilization Plant. (Photo: DOE)
Hanford Site services contractor Hanford Mission Integration Solutions (HMIS) has agreed to pay the Department of Justice $3.45 million as part of a settlement agreement resolving allegations that HMIS overcharged the Department of Energy for millions of dollars in labor hours at the nuclear site in Washington state.
The township of Ignace in northwestern Ontario agreed to become a willing host to the NWMO’s deep geologic repository (Photos/Images: NWMO)
On January 5, the Nuclear Waste Management Organization (NWMO), the not-for-profit organization responsible for managing Canada’s nuclear waste, announced that it has submitted to the Canadian government an initial project description for its proposed deep geologic repository to hold Canada’s spent nuclear fuel.
The HB Line facility at SRS is located on top of the H Canyon chemical separations facility. (Photo: DOE)
The Department of Energy is bringing the HB Line facility at the Savannah River Site back on line to recycle surplus plutonium and produce uranium-plutonium mixed oxide (MOX) fuel for advanced reactors.
Restarting the facility will be a multiyear process and will yield opportunities for increased domestic production of isotopes with scientific and commercial value. The DOE said that once operational, the HB Line will accelerate the Office of Environmental Management’s plutonium disposition mission by 10 to 13 years while reducing the existing cost.
Hanford Site workers begin vitrification operations at the Low-Activity Waste Facility, part of the Waste Treatment and Immobilization Plant. (Photo: DOE)
The Department of Energy’s Office of Environmental Management faces significant cost increases, schedule delays, and data management issues in completing nuclear waste cleanup projects, according to a new report from the U.S. Government Accountability Office.
From left, UT vice chancellor for research Deborah Crawford, UCOR president and CEO Ken Rueter, and Tickle College of Engineering dean Matthew Mench sign an expanded MOU. (Photo: DOE)
The Department of Energy’s Office of Environmental Management announced that Oak Ridge Office of Environmental Management contractor United Cleanup Oak Ridge recently expanded its partnership with the University of Tennessee to provide learning opportunities for nuclear safety specialists supporting DOE-EM’s cleanup mission.
Transuranic waste leaves LANL for WIPP in 2025. (Photo: DOE)
The state of New Mexico is fining the Department of Energy for nearly $16 million, claiming the department has failed to prioritize the removal legacy nuclear waste from Los Alamos National Laboratory for disposal at the Waste Isolation Pilot Plant, the DOE’s deep geologic repository for defense-related transuranic waste near Carlsbad, N.M.