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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

San Francisco Offered Peaking Turbines

LCG, DEc. 16, 2002--As part of a settlement between California and Williams Energy Cos. on multi-billion-dollar energy contracts, San Francisco has the option to finance construction of four gas turbines, which would be provided at no cost by the energy company.

The Board of Supervisors is scheduled to vote today on whether to accept the turbines, which would be delivered along with $12 million out of $147 million being paid by Williams Energy to California as part of the settlement. If the turbines operate within the city, the Department of Water Resources would purchase their output under a 10-year contract, after which the city would be able to operate the plants as it needs.

The capacity of the units, which are peaking turbines, is a total of 200 megawatts, compared to the 163-megawatt Hunters Point plant owned by PG&E. Mayor Willie Brown, environmentalists and residents within the Hunters Point district have called for Hunters Point being shut down, due to its being a source of pollution. The city receives much of its electric power from plants not on the peninsula, with transmission lines delivering power through San Mateo County. Roughly 30 percent of San Francisco's usage depends on Hunters Point and the Potrero Hill plant, owned by Mirant.

A federal deadline of Jan. 1, 2005 for new clean air standards to take effect may necessitate a retrofit of Hunters Point, if it is not shut down at that time. The turbines being proposed would reportedly produce 16 times less ozone-creating pollution than Hunters Point.
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