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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 FCWMD
Wednesday, June 18, 2025|1:00–2:45PM CDT|Indiana/Iowa
Session Chair:
Jared A. Johnson
Alternate Chair:
Humberto E. Garcia
Session Organizer:
Michael S. Smith
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Perturbations to the 30B-10 Cylinder Criticality Control System
1:00–1:20PM CDT
Zachary Petersen (Univ. Wisconsin, Madison), Aly Gaylard (TAMU), Alex Lang (Oak Ridge National Laboratory Nuclear Energy and Fuel Cycle Division), Cihangir Celik (Oak Ridge National Laboratory Nuclear Energy and Fuel Cycle Division), Walid A. Metwally (Oak Ridge National Laboratory Nuclear Energy and Fuel Cycle Division)
Paper
Improving Transport Efficiency of HALEU Fuel with a Modified Criticality Control System in the 30B-10
1:20–1:40PM CDT
Zachary Petersen (Univ. Wisconsin, Madison), Aly Gaylard (TAMU), Alex Lang (ORNL), Cihangir Celik (ORNL), Walid A. Metwally (ORNL)
Disposal Area Analysis of Alternative Technologies Combining Radionuclide Management Processes and Disposal Options
1:40–2:00PM CDT
Jungho Hur (KAERI), Jang Hong (KAERI), Won-Il Ko (KAERI), Hun Suk Im (KAERI)
An Alternative Guide Tube Configuration of Standard PWR Fuel Assembly for High Power and Burnup Applications
2:00–2:20PM CDT
Assil Halimi (MIT)
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