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Conference Spotlight
2026 ANS Annual Conference
May 31–June 3, 2026
Denver, CO|Sheraton Denver
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Nuclear Science and Engineering
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Nuclear Technology
Fusion Science and Technology
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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
Monday, July 22, 2024|1:00–2:50PM CDT|Assembly
Session Chair:
Tyler Guin
Alternate Chair:
Paul W. Humrickhouse
Session Organizer:
Jan W. Coenen
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Algorithm Review for the Development of a Real-Time Monitoring and Accountancy Open Framework for Fusion Energy
1:00–1:25PM CDT
Holly B. Flynn (SRNL), Collin R. Malone (SRNL), George K. Larsen (SRNL), Robert J. Lascola (SRNL), William E. Gilbraith (SRNL)
Paper
Progress of the SPARC Tritium Storage and Delivery, Fuelling and Isotope Separation Systems
1:25–1:50PM CDT
A. Hollingsworth (CFS), W.T. Shmayda (Tritium Solutions Inc.), C.R. Shmayda (Torion Plasma Corp.), H.K. Mutha (CFS), C. Tesluk (CFS), C. Chrobak (CFS), S. Knipe (CFS)
Deuterium Extraction from Helium with a Vanadium Vacuum Permeator: Commissioning of the Tritium Extraction eXperiment
1:50–2:10PM CDT
Thomas F. Fuerst (INL), Hanns Gietl (INL), L. Shayne Loftus (INL), Masashi Shimada (INL), Adriaan A. Riet (INL), Matthew D. Eklund (INL), Chase N. Taylor (INL)
Fuel Cycle Technology Selection for a Fusion Pilot
2:10–2:30PM CDT
T. Guin (SRNL), G.A. Larsen (SRNL), H. Flynn (SRNL), L. Angelette (SRNL), C.J. Koch (SRNL), H. Colon-Mercado (SRNL), K. McDonald (SRNL), J. Folkert (SRNL), B. Garcia-Diaz (SRNL)
Managing Tritium Reserves and Tritium Start-Up Inventories for Commercial Fusion Energy
2:30–2:50PM CDT
Samuele Meschini (MIT), Sara E. Ferry (MIT)
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