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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

Hydro Plant from 1800's Likely to Operate Again

LCG, Apr. 11, 2003--A small but distinguished hydro plant on New York's Hudson River could begin producing power again, with the approval of regulators.

The Mechanicville plant began operating first in 1898, and was shut down in 1997 due to a protracted legal conflict between co-owners Niagara Mohawk and Fourth Branch Associates, over whether to retain or sell the facility. Recently, Niagara Mohawk has offered to release its interest, and Fourth Branch hopes to produce power by Labor Day. Niagara has wanted to exit the generation business, while a principal of Fourth Branch, James Besha, had reason to believe that the Federal Energy Regulatory Commission would take actions that would lead to the dismantling of Mechanicville.

"This will be its third century in which it will operate," said Besha of the 4.5-megawatt plant. A noteworthy engineer with General Electric, Charles Steinmetz, assisted in the plant's design in the nineteenth century. Mechanicville is found on the National Register of Historic Places. The legal settlement provides for a joint effort to obtain a license for further operations. Should the license be granted, the transfer would then take place.
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