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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

Wisconsin Utility Plans Peaking Unit

LCG, Jan. 20, 2002--A 52-megawatt Pratt & Whitney FT8® Twinpac™ peaking generator will be purchased and installed in Kaukauna, Wisconsin in spring 2004, according to Wisconsin Public Power Inc. (WPPI), a utility owned by 37 municipalities.

The president and CEO of WPPI, Roy Thilly, said, "This project will provide a low-cost, reliable and environmentally sound electric generating source needed to meet load growth in our member communities." The FT8 turbine is a variant of the JT8D aircraft engine.

The installation will also allow three older diesel units, which provide about 7 megawatts, to be retired. "We are pleased to be working with WPPI and look forward to providing them with exceptional customer service," Ellen Smith, president of Pratt & Whitney Power Systems, stated.
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