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X-energy Commences First Irradiation Tests of Advanced TRISO-X Nuclear Fuel at Idaho National Laboratory

LCG, November 6, 2025--X-energy Reactor Company, LLC, (X-energy) and the U.S. Office of Nuclear Energy today announced the start of confirmatory irradiation testing at Idaho National Laboratory (INL) to qualify X-energy’s proprietary TRISO-X fuel pebbles for commercial use in the Xe-100 Small Modular Reactor (SMR). (TRISO stands for TRi-structural ISOtropic). This is the first time that TRISO-X fuel pebbles will undergo irradiation testing in a U.S. lab, which is a critical step in meeting requirements set forth by the U.S. Nuclear Regulatory Commission (NRC) for the commercial deployment of advanced reactors that will use the fuel.

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NextEra Energy and Google Collaborate on Accelerating Nuclear Power Deployment

LCG, October 28, 2025--NextEra Energy and Google yesterday announced two agreements that will help meet growing electricity demand from artificial intelligence (AI) with clean, reliable, 24/7 nuclear power and strengthen the nation's nuclear leadership. First, Google signed a new, 25-year agreement for power generated at the Duane Arnold Energy Center, Iowa's only nuclear power facility. The 601-MW boiling water reactor unit was shut down in 2020 and is expected to commence operations by the first quarter of 2029, pending regulatory approvals to restart the plant.

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Industry News

FERC May Create Boundaries for RTO's

LCG, May 31, 2002--Federal Energy Regulatory Commissioners are concerned about utilities joining regional transmission organizations far from where they are geographically situated.

PJM Interconnection and the Midwest Independent Transmission System Operator Inc. are beginning to solidify as RTOs, with the goal of developing a common market by 2005.

Midwest companies Commonwealth Edison, Illinois Power, and American Electric Power Co. Inc. plan to join the Northeast RTO PJM Interconnection.

While companies can choose the RTO to which they want to belong, FERC commissioners worry that the principles of natural markets and reliability might be overlooked.

FERC may consider creating incentives or regulations requiring RTO participants to join RTO's that are regionally logical and adjacent, although no specific intentions have been expressed .

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