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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

Illinois Power and ComEd Intend to Join PJM

LCG, May 29, 2002--Illinois Power and Commonwealth Edison have filed documents with the Federal Energy Regulatory Commission (FERC) notifying the agency of their intent to be part of an independent transmission company under the transmission authority of the Pennsylvania-Jersey-Maryland Interconnection.

In a statement, a representative of the parent company of ComEd, Exelon's Senior Vice President Betsy Moler, said, "It is clear that Exelon's primary wholesale energy trading partners and suppliers are in the east, and our strongest interconnections are to the east." Illinois Power, like ComEd, was a member of the Alliance regional transmission organization (RTO), whose members FERC ruled would need to file to join another RTO by May 28. The Alliance RTO included nine companies, and undertook discussions with the Midwest-ISO concerning possible integration for a for-profit transmission entity. Moler said, "ComEd negotiated with the MISO, but could not come to an agreement on rate structure and other matters."

Illinois Power and ComEd plan to join PJM through National Grid, the transmission manager for Alliance GridCo. If this is not possible, Illinois Power would join as a transmission owner. American Electric Power and Dayton Power & Light also have notified the PJM of their plans to be part of the PJM's RTO.
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