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Conference Spotlight
2026 Nuclear Energy Conference & Expo (NECX)
August 24–27, 2026
Dallas, TX|Hilton Anatole
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Nuclear Science and Engineering
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Fusion Science and Technology
August 2026
Latest News
NRC issues draft EA/FONSI for Duane Arnold restart
Efforts by NextEra Energy to restart the Duane Arnold nuclear power plant as early as 2029 continue to move forward with the Nuclear Regulatory Commission's preliminary environmental assessment and determination that the restart would have no significant environmental impacts.
On Thursday, the NRC posted a draft environmental assessment and a finding of no significant impact for the Palo, Iowa, facility; the Federal Register notice was published on Monday. The Department of Energy’s Office of Energy Dominance Financing is a cooperating agency on the draft EA, as the DOE is considering providing financial assistance to the restart project.
Colin Baus, Hugh Boniface, Ian Castillo, Amir Dashliborun, Christian Day, Takashi Ino, Minoru Jimma, Daiki Kikuchi, Mitch King, Satoshi Konishi, Yoshifumi Kume, Suneui Lee, Nobuo Maki, Yoshinao Matsunaga, John McGrady, Kyosuke Namba, Louis Neumann, Yuhei Nozoe, Richard Pearson, Donald Ryland, Jonas Schwenzer, Stephen Strickwerda, Sam Suppiah, Tim Teichmann, Bibake Uppal, Todd Whitehorne, Tomoya Yokoi
Fusion Science and Technology | Volume 82 | Number 1 | January-February 2026 | Pages 357-372
Research Article | doi.org/10.1080/15361055.2025.2481362
Articles are hosted by Taylor and Francis Online.
UNITY-2 (UNique Integrated Testing facilitY) is a facility designed to replicate the architecture of the deuterium-tritium fuel cycle of a fusion pilot plant (FFP) on a smaller scale. The facility will operate continuously at a steady-state flow rate of 2.3 Pa m3 s−1 using gas puffing, and will allow for the injection of fuel pellets for shorter periods with up to 27.5 Pa m3 s−1. UNITY-2 will demonstrate a fully integrated deuterium-tritium fuel cycle using a license for up to 30 g of tritium at Chalk River Laboratories, therefore reducing the risk of producing a FFP on a decadal timeframe. Its novelty, relative to past and planned fuel cycle experimental demonstrations, lies in the continuous and fully integrated operation, an inner fuel cycle that includes a direct internal recycling loop, an inner and outer loop, and a breeder cycle based on lithium lead coolant. UNITY-2 has a full suite of detritiation systems to demonstrate as low as reasonably achievable releases. Following the successful integrated operation, the technology readiness will reach a maturity to be applied to FFPs.