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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

480 Megawatt Peaker Planned for Chicago Area

LCG, Feb. 2, 2001--Mirant Corp., the former Southern Energy, said today it will build a 480 megawatt natural gas-fueled power plant in Rockdale, Ill., southwest of Chicago. The six-turbine peaking facility would begin commercial operation in 2003 or 2004, the company said.

"The Rockdale location is ideal because of its proximity to major power lines and a natural gassupply and the high demand for electricity from Chicago and surrounding cities," Richard Pershing, Mirant America's chief executive, said in the statement.

Mirant said the Rockdale plant is part of its effort to have 30,000 megawatts of generatingcapacity in the United States by 2004. The company said it currently has about 12,500 megawatts in the U.S., with another 7,000 megawatts under advanced development.

Despite the name change, Mirant is still 80 percent owned by The Southern Co.

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