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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.
The Consortium for Advanced Simulation of Light Water Reactors Virtual Meeting
Technical Session|Sponsored by Advanced Modeling Applications
Wednesday, November 18, 2020|12:00–2:10PM EST|1
Session Chair:
Zeses Karoutas (Westinghouse)
Alternate Chair:
Andrew Godfrey (ORNL)
Session Organizer:
Scott Palmtag (NCSU)
Staff Producer:
William Dawn (NC State Univ.)
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Evaluation of VERA Transient Capability for Analyzing PWR Control Rod Ejection Accident
Vefa N. Kucukboyaci (Westinghouse Electric Company)
Paper
CTF Improvements through the CFD-Informed Sub-Channel Hi2Lo Process
Emre Tatli (Westinghouse Electric Company), Yixing Sung (Westinghouse Electric Company), Robert K. Salko (Oak Ridge National Laboratory)
CASL VERA Applications to Departure from Nucleate Boiling Challenge Problem
Yixing Sung (Westinghouse Electric Co. LLC), Vefa N. Kucukboyaci (Westinghouse Electric Company), Yiban Xu (Westinghouse Electric Company), Robert K. Salko (Oak Ridge National Laboratory)
Neutronics and CRUD Analyses of the NuScale Small Modular Reactor
Travis Lange (Idaho National Laboratory), Azat Galimov (NuScale Power LLC), Jim Eller (Oak Ridge National Laboratory), Kenny Epperson (Epperson Engineering), Andrew Godfrey (Oak Ridge National Laboratory), Larry Linik (NuScale Power LLC)
Catawba 2 CRUD Risk Assessment
Travis Lange (Idaho National Laboratory)
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