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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

Southwest Power Pool Granted Conditional RTO Status

LCG, Feb. 10, 2004--The Southwest Power Pool's application to be considered a regional transmisson organization was given conditional approval by the Federal Energy Regulatory Commission (FERC) today.

The power pool is spread through eight states in the Southern Great Plains, and first applied for recognition as an RTO two years ago. At that time, FERC's vision for large, regional markets was such that the SPP was considered too small to provide competition and a fair market environment.

The chairman of the FERC, Pat Wood III, said in a statement, "I am pleased that, at last, we have the opportunity to recognize the important role that the Southwest Power Pool plays in providing needed leadership for the power markets in the nation's heart." The approval was granted with corresponding requirements that an independent board, an independent market monitor, and clear daily control of transmission be set up.
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