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2026 ANS Winter Conference & Expo
November 15–18, 2026
Phoenix, AZ|Arizona Grand Resort & Spa
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Posiva begins drilling disposal holes at Finland’s Onkalo repository
Last week the Finnish nuclear waste management company Posiva began drilling holes for final disposal at the Onkalo deep geological repository, near the Olkiluoto nuclear power plant in western Finland. The company’s German-made Deposition Hole Boring Machine (DHBM) took about 10 hours to drill the first hole, with a depth of 8.4 meters and a diameter of 1.75 meters, into the 1.9-billion-year-old bedrock. This is the first deposition hole intended for an iron-copper canister containing spent nuclear fuel—though test holes have been drilled at the site since 2022.
The Onkalo repository received a favorable safety assessment from the Radiation and Nuclear Safety Authority of Finland earlier in August.
Technical Session|Panel|Sponsored by NISD
Wednesday, June 10, 2020|2:30–4:15PM EDT|6
Session Chair:
Kevin R. O'Kula
Session Organizer:
Alternate Chair:
Richard H. Lagdon
Staff Producer:
John Fabian (American Nuclear Society)
In 2019, the U.S. Department of Energy (DOE) announced first-of-a-kind projects designed to improve the long-term economic competitiveness of the nuclear power industry. Four commercial electric utilities and two national laboratories (INL and ANL) were chosen to examine hydrogen production in existing nuclear power plants with demonstration projects. While the successful demonstration of the technology has significate beneficial implications for primary energy, transport and storage sectors in the U.S., there are safety, scaling, and other issues that must be addressed. This panel will discuss past and contemporary DOE and industry experience, and the insights gained regarding hydrogen in nuclear and non-nuclear facilities, and supporting systems/structures/components. The panel member composition is designed represent a wide spectrum of experience and expertise in understanding and addressing the technical issues, and managing safety challenges posed by hydrogen.
Nick Barilo
Director, Center for Hydrogen Safety (CHS) at AIChE and Hydrogen Safety Program, PNNL
David Cook
ORNL
J. Herring
Director, USRA Center for Space Nuclear Research
Joseph Shepherd
C. L. "Kelly" Johnson Professor of Aeronautics & Professor of Mechanical Engineering, California Institute of Technology
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