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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

Midwest Plants To Be Idled in Illinois Next Year

LCG, Dec. 4, 2002--Plants owned by Midwest Generation, a unit of Edison International's Edison Mission Energy, will be partially shut down during 2003, removing about 1,400 megawatts from the market, according to a company spokesman.

The plants might have operated next year if Exelon Corp., which has significant Midwest Generation capacity under contract, had not decided to curtail its purchases from the company. Power prices have tumbled in Illinois, where the two plants in question are located. Exelon is still buying 4,739 megawatts from Midwest Generation, but will save about $130 million in 2003 compared with related costs in 2002.

Two units will be shut down at the Will County plant, reducing coal-fired output by 620 megawatts, while another two 550-megawatt, gas-fired units at the Collins Station plant will be taken offline. Remaining units at both plants will continue to operate. Midwest Generation does not know at the present time whether the units being taken offline will be brought into operation again in 2004, or whether the shutdowns could last longer.

Midwest Generation acquired the plants from Exelon, which owns Commonwealth Edison Co., the Chicago utility.
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