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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.

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ANS Young Members Group Spotlight on National Labs

Pacific Northwest National Laboratory

July 1, 2020|12:00–1:30PM (1:00–2:30PM EDT)

All UsersAvailable to All Users



Where great minds meet great challenges in global energy and national security


Pacific Northwest National Laboratory, on the sunny side of Washington state, has more than 50 years of expertise in nuclear science. While our roots are in the adventurous Pacific Northwest, our research has a worldwide reach. Our scientists and engineers are conducting fundamental and applied research to unlock the mysteries of Earth’s climate, modernize the U.S. electric power grid, and safeguard ports around the world from nuclear smuggling.

We accept great challenges for one purpose: to create a world that is safer, cleaner, more prosperous, and more secure. Diversity is valued in our research missions as well as among our 4,700 staff, who make up a caring, determined, and tireless community.

Panelists will provide an overview of PNNL’s work in national security, energy resiliency, and environmental restoration – especially related to our nuclear R&D portfolio. Flash talks will focus on four fascinating projects: on-line monitoring, materials characterization, radiation detection, and solid phase processing.

Panelists

  • Steven Ashby, PNNL Director
  • Daniel Stephens, Manager, NNSA programs
  • Jud Virden, Associate Laboratory Director, Energy and Environment
  • Mark Nutt, Manager, Nuclear Energy and Nuclear Regulatory programs
  • Amanda Lines, Chemist
  • Steven Spurgeon, Materials Scientist
  • Paul Johns, Physicist
  • Hellen Jiang, Materials Scientist

Moderator

  • Catherine Prat, ANS Young Members Group Chair

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