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Conference Spotlight
2026 ANS Annual Conference
May 31–June 3, 2026
Denver, CO|Sheraton Denver
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Latest News
GAO: Clarification of HLW definition could save DOE billions
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.
Technical Session|Radioisotope Power Systems
Thursday, May 9, 2024|3:15–4:55PM MDT|Sweeney A
Session Chair:
Tim Tinsley
Alternate Chairs:
Tim Gregory (National Nuclear Laboratory)
Session Organizer:
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The European Radioisotope Power Systems Program: Updates and Synergies
3:15–3:40PM MDT
Richard M. Ambrosi (Univ. Leicester), Ramy Mesalam (Univ. Leicester), Alessandra Barco (Univ. Leicester), Emily Jane Watkinson (Univ. Leicester), Hannah Sargeant (Univ. Leicester), Chris Bicknell (Univ. Leicester), Tony Crawford (Univ. Leicester), Rob Tute (Univ. Leicester), Gareth Bustin (Univ. Leicester), Tim P. Tinsley (National Nuclear Laboratory), Rebecca Sanderson (National Nuclear Laboratory), Mark Sarsfield (National Nuclear Laboratory), Nick Hanigan (National Nuclear Laboratory), Pierre Coquay (European Space Agency), Christophe Fongarland (European Space Agency), Kevin Simpson (European Thermodynamics), Richard Tuley (European Thermodynamics), Marie-Claire Perkinson (Airbus), Robert Hopton (Airbus), Aled Richings (AWE), Tony Warkup (AWE), Chris Bell (AWE), Piers Slater (Reef Global), Frederic Lattwein (Arianegroup), Daniel Freis (European Commission), Rudy J. M. Konings (European Commission), Steven R. Oleson (NASA Glenn Research Center), Paul C. Schmitz (Power Computing Solutions), Elizabeth Turnbull (NASA Glenn Research Center), Scott Wilson (NASA Glenn Research Center)
Paper
Ensuring the Safety of European Space Missions with Radioisotope Power Systems
3:40–4:05PM MDT
Frédéric Lattwein (ArianeGroup), David Le Falcher (European Space Agency), Cédric Lemarié (ArianeGroup), Remy Croxatto (ArianeGroup), Yannick Herlem (ArianeGroup), Denis Rebuffat (European Space Agency), Pierre Coquay (European Space Agency), Christophe Fongarland (European Space Agency), Grzegorz Ambroszkiewicz (European Space Agency)
Defense in Depth for Radioisotope Power Systems for Space Applications
4:05–4:30PM MDT
Alexander Q. Gilbert (Zeno Power Systems), Jacob R. Matthews (Zeno Power Systems)
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