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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

Salt River Moves Ahead with 825 Megawatt Expansion

LCG, Feb. 16, 2001The Salt River Project, a big public power utility in Arizona established in 1903 under the National Reclamation Act, said yesterday that the Arizona Power Plant and Transmission Line Siting Committee recommended in favor of its Santan Expansion Project in Gilbert, Ariz.

Salt River wants to build a 825 megawatt natural gas-fueled, combined-cycle generating facility at its existing Santan power plant in Gilbert which is about 15 miles east of Phoenix. The agency has operated a 300 megawatt plant at the site since the 1970s.

"The committee has taken an important step in reducing the likelihood of future California-styleblackouts in Arizona," said David Areghini, associate general manager of power construction and engineering. "Adding more local generation will help Salt River continue to serve its customers (with) areliable and low-cost supply of electricity."

The Arizona Corporation Commission has the final say on the proposed plant, but last year approved a similar, though smaller, expansion of a Salt River plant in Tempe.

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