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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

Nevada Utilities Contract for 50-MW Solar Plant

LCG, December 23, 2002--Power purchase agreements have been signed by two Nevada utilities, Nevada Power and Sierra Pacific Power, for output from a planned 50-megawatt solar plant to be built by Duke Solar, a Duke Energy affiliate.

Nevada Power has contracted for about two-thirds of the plant's generation, while the remaining third will go to Sierra Pacific Power. Duke has indicated that the facility, near Boulder City, will start operation in March 2005. The price at which at the power would be purchased was not revealed.

The purchases follow a half dozen contracts for 227 megawatts of wind and geothermal power, based on a state requirement next year that five percent of Nevada utilities' sales be from renewable sources. Next year's requirement will not be met by the utilities. By 2005 and 2006, however, the corporate parent of Nevada Power and Sierra Pacific Power, Sierra Pacific Resources, should meet and then surpass the requirement, which is due to increase to 15 percent by 2013.

The plant to be built will heat oil by using parabolic troughs lined with mirrors. The oil will then heat water for use in a steam turbine.
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