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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

Allegheny Energy to Build 1,080 Megawatt Arizona Plant

LCG, Oct. 19, 2000--Allegheny Energy Inc. said yesterday that its unregulated generation subsidiary plans to build a 1,080 megawatt natural gas-fired merchant generating facility in Arizona, about 75 miles west of Phoenix.

Allan J. Noia, chief executive of Allegheny Energy, said "This facility will give us our first generating capacity in the western United States and shows we are making significant progress toward becoming a national energy supplier."

Allegheny Energy Supply Co. is expected to begin construction of the $540 million combined-cycle facility sometime in 2002, with commercial operation scheduled for 2005. Output from the plant will be sold into wholesale markets served by the Western Systems Coordinating Council, including most of the western U.S. and Canada.

Arizona's La Paz County looks forward to the revenue the plant will produce. Joyce Barker, a county supervisor, said "Our county will see a big boost in the economy during construction, as well as several million dollars in increased tax revenue once it is complete."

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