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Conference Spotlight
2026 ANS Annual Conference
May 31–June 3, 2026
Denver, CO|Sheraton Denver
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Getting back to yes: A local perspective on decommissioning, restart, and responsibility
For 45 years, Duane Arnold Energy Center operated in Linn County, Ia., near the town of Palo and just northwest of Cedar Rapids. The facility, owned by NextEra Energy, was the only nuclear power plant in the state.
In August 2020, a historic derecho swept across eastern Iowa with winds approaching 140 miles per hour. Damage to the plant’s cooling towers accelerated a shutdown that had already been planned, and the facility entered decommissioning soon after, with its fuel removed in October of that year. Iowa’s only nuclear plant had gone off line.
Today the national energy landscape looks very different than it did just six short years ago. Electricity demand is rising rapidly as data centers, artificial intelligence infrastructure, advanced manufacturing, and electrification expand across the country. Reliable, carbon-free baseload power has become increasingly valuable. In that context, Linn County has approved the rezoning necessary to support the recommissioning and restart of Duane Arnold and is actively supporting NextEra’s efforts to secure the remaining state and federal approvals.
Technical Session|Sponsored by RPD
Tuesday, November 19, 2024|1:00–2:45PM EST|Biscayne 1
Session Chair:
Manit D. Shah (ORNL)
Alternate Chair:
David Chandler (ORNL)
Session Organizer:
Zeyun Wu (Virginia Commonwealth Univ.)
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Development of SCALE Input Generation and Output Processing for Licensing Applications
1:00–1:20PM EST
Harrison Reisinger (Univ. Texas, Austin), Ondrej Chvala (Univ. Texas, Austin), Kevin Clarno (Univ. Texas, Austin)
Paper
Multiphysics Continuous Shape Optimization of the TAP Reactor Components
1:20–1:40PM EST
Muhammad Ramzy Altahhan (NCSU), Lynn Munday (INL), Yousry Azmy (NCSU)
Multiphysics Demonstration of Temperature-Driven Assembly Bowing in SFRs Using MOOSE-Based Codes
1:40–2:00PM EST
Gang Yang (ANL), Nick Wozniak (ANL), Emily Shemon (ANL), Benjamin Spencer (INL)
Demonstration and Verification of Thermo-Mechanical Bowing in a Limited Free-Bow SFR Concept Using MOOSE
2:00–2:20PM EST
Nicholas Wozniak (ANL), Emily Shemon (ANL), Benjamin Spencer (INL)
Comparison of Neutronics Modelling Methods for the Fast Modular Reactor
2:20–2:40PM EST
Dylan Garofalo (Univ. Wisconsin, Madison), Ben Lindley (Univ. Wisconsin, Madison)
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