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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
Friday, December 3, 2021|3:05–4:50PM EST |Columbia 4
Session Chair:
Zeyun Wu (VCU)
Alternate Chair:
Massimiliano Fratoni
Session Organizer:
Student Assistant:
K. Lisa Reed
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Revisit of the Dancoff-Based Wigner-Seitz Approximation for Pointwise and Multigroup Resonance Self-Shielding Calculations in SCALE
3:10–3:30PM EST
Kang Seog Kim (ORNL), Andrew M. Holcomb (ORNL), Matthew A. Jessee (ORNL), William A. Wieselquist (ORNL)
Paper
Serpent/PARCS Calculation for VVER-1000 Core with TriPEN-9 Method
3:30–3:50PM EST
Muhammad Rizki Oktavian (Purdue Univ.), Oscar Lastres (Purdue Univ.), Yunlin Xu (Purdue Univ.)
In-situ APEC Leakage Correction Based on 2x2 Nodal Analysis for 2-D Macroscopic Depletion Calculation
3:50–4:10PM EST
Seongdong Jang (KAIST), Yonghee Kim (KAIST)
An Introduction to REX: A Fuel-Clad Thermo-Mechanical Analysis Tool for Advanced Reactor Concepts
4:10–4:30PM EST
Nicholas J. Fassino (Georgia Institute of Technology), Anna Erickson (Georgia Institute of Technology)
A Feasibility Study of SPH Factors for a Heterogeneous Geometry Problem
4:30–4:50PM EST
Zhaopeng Zhong (ANL), Changho Lee (ANL)
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