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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

New Hampshire Plans Legal Action Over New Source Review

LCG, Sept. 3, 2003--The EPA's recently announced changes to rules governing power plants' installation of emissions-reduction equipment will be the subject of a lawsuit by New Hampshire, the state's Attorney General, Peter Heed, has announced.

The lawsuit would be in additon to other pending litigation against EPA's changes to policy on "new source review" before the U.S. Court of Appeals, in the District of Columbia circuit. The new rules would increase the ability of power plant owners to install new equipment at existing facilities without having to also install devices to restrict pollution. Enforcement of the rules has been inconsistent and confusing, many plant owners have complained. Confusion over the implementation of the rules was cited as a problem by a judge in a recent lawsuit the agency brought. The suit nonethless resulted in a ruling in favor of the EPA. They also say it has led them to forego maintenance and modifications for enhanced efficiency on older facilities that they might otherwise undertake.

According to New Hampshire's Heed, "EPA has created a loophole that attempts to legalize what the Clean Air Act prohibits - increased air pollution from outdated industrial equipment. What this rule means for New Hampshire is more air pollution from upwind power plants, refineries and other industries that can avoid modern pollution controls." The rules apply to 17,000 facilities nationally, and could represent significant savings due to companies' ability to avoid additional investment under new source review, in the billions of dollars.
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