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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
Wednesday, June 15, 2022|10:15AM–12:00PM PDT|Carmel
Session Chair:
Moussa Mahgerefteh (Constellation)
Alternate Chair:
Massimiliano Fratoni
Session Organizer:
Pavel V. Tsvetkov (TAMU)
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Quantum Physics Inspired Methods for Two-Batch PWR Loading Pattern Optimization
Joseph Fustero (NCSU), Frank Mueller (NCSU), David Kropaczek (ORNL), Colleen Farrelly (Staticlsym)
Paper
The Neutronic and Economic Advantages of Cuboid Geometry for CANDU and Low-Pressure Reactors
Ibrahim K. Attieh (X-Energy), P. Eng (X-Energy), Roger Webb (SRNL (Retiree)), John Hilborn (Atomic Energy of Canada (Retiree))
Topologically Optimal Nuclear Core Designs Using Deterministic Neutronics
Gavin Ridley (MIT), Lorenzo Venneri (MIT), Benoit Forget (MIT)
Analytic Reactivity Error Analysis of Cross Section Interpolation Methods in Nodal Diffusion Codes
Thomas Folk (Univ. Michigan), Siddhartha Srivastava (Univ. Michigan), Brendan Kochunas (Univ. Michigan)
Understanding Xenon Oscillations Through Physics-Based Reduced Order Modelling
K.T. Pedersen (Chalmers Univ. of Technology), C. Demazière (Chalmers Univ. of Technology), P. Vinai (Chalmers Univ. of Technology)
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