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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

Duke Unit to Replace Steam Generators at Callaway Nuke

LCG, Nov. 2, 2001--A subsidiary of Duke Energy Corp. said yesterday it has been selected to replace the steam generators at the 1,235 megawatt Callaway nuclear power plant owned by Ameren Corp's Union Electric Co. subsidiary near Fulton, Mo.

Duke's Steam Generating Team Ltd. will provide project management, engineering, licensing, construction, quality assurance, support services and start-up testing for the steam generator replacement at the 16-year-old, Westinghouse-designed plant. The replacement will take place during a refueling outage in the fall of 2005.

Duke's SGT finds itself working for a lot of utilities other than the one that owns it. The unit was recently awarded a contract to replace steam generators at Xcel Energy's Prairie Island nuclear plant and has completed steam generator replacements for Consolidated Edison's Indian Point Unit 2, Wisconsin Electric Power Co.'s Point Beach Unit 2 and Florida Power & Light's St. Lucie Unit 1. The firm is currently under contract to replace steam generators at Constellation's Calvert Cliffs Units 1 and 2.

SGT also works for its parent. It is currently under contract to replace the steam generators at Duke Power's Oconee Nuclear Station Units 1, 2 and 3.

"SGT has emerged as the leading steam generator replacement team in the industry," said Bill Fox, president of the unit. "The experience and knowledge of SGT's professionals continue to deliver quality results while meeting our clients' scheduling, safety and financial goals for steam generator replacement."

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