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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|Lightning Talks
Thursday, October 10, 2024|10:15AM–12:00PM MDT|Room 1
Session Chair:
Thomas Folk (INL)
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Effective Hydrogen Gas Production Modeling Practices
10:15–10:22AM MDT
Greg Alder (Curtiss-Wright)
Paper
Nuclear Integrated Energy System to Provide Power and Water to El Hierro, Spain
10:22–10:29AM MDT
Logan Williams (INL)
Optimizing SMR Implementation and Waste Generation in Ontario's Future Energy Mix Using a Dynamic MILP Approach
10:29–10:36AM MDT
C. Colterjohn (McMaster Univ.), S. Nagasaki (McMaster Univ.), Y. Fujii (Univ. Tokyo)
Contextual Out-of-Distribution Detection and its Application in Evaluating Data-Driven Model Reliability
10:36–10:43AM MDT
Edward Chen (INL), Han Bao (INL)
Presentation Slides (Visible to Attendees)
Simulation of Graphite Reactor Components with the Grizzly Code
10:43–10:50AM MDT
Benjamin Spencer (INL), Lynn Munday (INL), Gyanender Singh (INL), Parikshit Bajpai (INL), Veerappan Prithivirajan (INL)
Spouted Bed Modeling for Coated Particle Fuel Productions Using MFiX and Barracuda
10:50–10:57AM MDT
Benjamin Stoyer (INL), Ryan Heldt (ORNL), Bryan Conry (ORNL), Eddie Lopez-Honorato (ORNL), Paul Schuck (INL), Tyler Gerczak (ORNL)
RELAP5-3D Coupling with the MOOSE-Framework
10:57–11:04AM MDT
Jan I.C. Vermaak (INL), George L. Mesina (INL)
RELAP5-3D Modeling Support for Research Nuclear Reactors
11:04–11:11AM MDT
M. Tano (INL), B. Cox (INL)
RELAP5-3D Validation Using the Primary Coolant Apparatus Test (PCAT) Facility
11:11–11:18AM MDT
C. Parisi (INL), R. Kile (INL)
The ViBRANT Platform, a Surrogate Nuclear Reactor
11:18–11:25AM MDT
Anthony Crawford (INL)
Curve Fitting Parameterization of Neutron Spectra
11:25–11:32AM MDT
Teancum Quist (INL), Tommy Holschuh (INL)
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