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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

Sempra Plans 600 Megawatts in Mexicali, Mexico

LCG, Feb. 22, 2001A subsidiary of utility holding company Sempra Energy Inc. said yesterday it would build a 600 megawatt natural gas-fueled power plant in Mexico, in the border town of Mexicali. Sempra values the project at $350 million and said the facility should begin commercial operation by the summer of 2003.

The plant, Termoelectrica de Mexicali, will be built by Sempra Energy Resources and would be connected to the California transmission system through a 230 kilovolt interconnect. Mexicali is 10 miles south of El Centro, Calif., and about 80 miles east of San Diego.

"Electricity from this new power plant can help alleviate California's energy crisis," said Donald Felsinger, Sempra Energy group president.

Natural gas fuel for the plant will be delivered through the new North Baja Pipeline, which will begin construction this summer. In order for Termoelectrica de Mexicali's power to be exported into California, permits will be required from the Mexican Energy Regulatory Commission and the U.S. Department of Energy, but not from California regulators.

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