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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 Defends Move to Alliance RTO

LCG, Nov. 21, 2000--Illinois Power Co. said yesterday that it and Dynegy Inc. had in a filing with the Federal Energy Regulatory Commission responded to objections raised before FERC of the utility's plans to withdraw from the Midwest Independent Transmission Organization and join the Alliance Regional Transmission Organization.

Illinois Power and Dynegy said in their filing that the decision to withdraw its transmission assets from the Midwest ISO and go with Alliance "conforms to the FERC's prior rulings and is consistent with the FERC's policy of encouraging the formation of regional transmission organizations."

"We continue to believe this is the best option for (Illinois Power) and its customers, both those who continue to take bundled service and those who elect to choose their power supplier," said Kathy Patton, the utility's vice president and general counsel.

Patton pointed out that many Alliance members operate in states that have electric choice, while most Midwest ISO members do not. "This fact alone makes the Alliance RTO a better tool to help promote competition in Illinois," she said.

"An independent, well-run transmission sector is essential to the health of the electric industry,"Patton said. "A business-oriented system, with incentive to move power economically, efficientlyand effectively, is the best way to achieve the objectives of competitive electric industry, both at thewholesale and retail level."

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