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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

Rule Changes Made in Florida Plant Bidding

LCG, Jan. 6, 2003--Florida Power & Light, the regulated utility unit of FPL Group Inc., reacted negatively last Friday to modest changes to the bidding rules that govern how builders of new base-loaded power plants are selected in Florida.

A group of independent power producers which has complained that the winning bids have always been one of the state's major utilities was pleased with the moves by the Florida Public Service Commission. The requirement that bidding take place was instated in 1994.

Members of the Partnership for Affordable Competitive Energy (PACE) had been aiming at having an "independent evaluator" monitor bidding, to ensure fairness. Instead, the Commission allowed that the utilities (the other utility, Florida Power, was just re-branded under parent Progress Energy) would have to reconsider others' bids any time their own bid's cost structure was changed. PACE members, among which are Calpine, Mirant, and PG&E Corp., felt that this would make the process more open.

FPL spokesman Mike Swank contended that "The changes have the potential for substantially lengthening the bid rule process." Swank said that the utility would attempt to have the new rules undone.
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