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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

Mitsubishi Subsidiary Seeks to Build Nevada Plant

LCG, Mar. 4, 2002--Diamond Generating, a subsidiary of Mitsubishi, the Japanese conglomerate, hopes to build a gas-fired generating plant near Goodsprings, Nevada, starting in early 2003.

While many US-based power developers have scaled back the number of projects they are actively pursuing due to a drop in power prices and lender concerns over some power producers' high levels of debt, Bill Davis, director of development of Diamond Generating, said, "there is still an increase in electric load requirements (in the western United States)." The plant would be named Ivanpah Energy Center, and would have a capacity of 500 megawatts.

The plant, which would be dry-cooled, would utilize 30 to 50 acre feet of water for cooling annually, from partially treated gray water generated by the Southern Desert Correctional Center in Jean. A typical dry-cooled plant requires 250 to 300 acre feet. The land on which Ivanpah would be built would be leased from the Bureau of Land Management.

A series of public meetings are scheduled concerning the plant. If the plant receives all required approvals, Diamond hopes to start operations by March 2005.
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