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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 Asks for Okay on 1,100 Megawatt NorCal Plant

LCG, March 30, 2001Calpine Corp. said yesterday it has filed an application with the California Energy Commission seeking authorization to build a 1,100 megawatt natural gas-fueled, combined-cycle merchant power plant in Northern California's San Joaquin Delta area, near the town of Bethany.

Calpine noted that its filing marks the beginning of an extensive commission licensing process required to build and operate an electricity generating facility in California.

Calpine's East Altamont Energy Center will be built next to a substation owned by the federal Western Area Power Administration. Because of WAPA's involvement, it will serve as lead agency for a federal Environmental Impact Statement review that will proceed at the same time as the Energy Commission review.

Calpine hopes that all approvals can be received in time to begin construction of the new plant in the middle of next year. If so, commercial operation could begin by mid-2004.

The interconnect with WAPA's substation will permit the plant's output to be moved to customers in the San Francisco East Bay, the Central Valley and other Northern California markets.

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