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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

PJM Approves Transmission Upgrades

LCG, October 8, 2002-Transmission operator PJM Interconnection LLC has authorized over $725 million in upgrades to the Mid-Atlantic region's electricity transmission system.

PJM's Independent Board passed the upgrades last week, and the Board of Directors approved the upgrades yesterday.

In coming to this decision, officials considered proposed projects and opinions from energy companies, transmission owners, and state regulatory bodies.

The upgrades are said to serve 39 new power plants, which will provide an additional capacity of nearly 8,600 MW.

PJM Interconnection is a non-stock company responsible for electricity grid reliability in the Mid-Atlantic region, including Delaware, Maryland, Pennsylvania, New Jersey, and the District of Columbia.

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