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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

Calpine Gets Okay for 135 Megawatts Near San Jose

LCG, May 23, 2001Calpine Corp. yesterday received California approval for a new 135 megawatt peaking power plant the company intends to build just south of San Jose. The three-unit, gas-fueled facility will begin operation by next summer, the company said.

Following completion of the plant, to be located in the garlic capital of Gilroy, Calpine will add three more combustion turbines on the site, doubling the plants capacity to 270 megawatts. Calpine already owns a 131 megawatt cogeneration plant at Gilroy Foods.

For Gilroy, and neighboring Morgan Hill, the new plant will provide a customer for about a million gallons a day of treated wastewater from the communities' jointly-owned South County Wastewater Authority reclamation facility.

To Jay Baksa, city administrator of Gilroy, getting paid for the wastewater offers benefits of "enormous potential." Without the sale, the Authority would have to acquire land and build percolating ponds for the water. What they will get is income instead of expense.

Calpine, which typically makes "community benefit" investments in cities where it locates power plants, is in discussions with Gilroy officials about what the company can do to help out.

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