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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

PacifiCorp Weighs Options for Coal-fired Power Plants

LCG, April 27, 2012--PacifiCorp, a unit of MidAmerican Energy Holdings, announced yesterday that future federal and state environmental requirements for its coal fleet would cost over $1 billion in coming years. As a result, its fleet is expected to reduce coal consumption and increase reliance on natural gas.

The company is evaluating a number of options at its coal plants. To comply with state and federal air quality regulations to improve visibility in national parks and wilderness areas, the company has concluded that the preferred option is to convert the 330-MW Naughton 3 coal-fired unit in Wyoming to low-cost natural gas, rather than installing new emission controls for coal that will be required after 2014.

In Utah, PacifiCorp is evaluating compliance options in response to the utility mercury and air toxics standards (MATS) at its 172-MW Carbon coal-fired plant. At this time, the company has determined the lowest cost option for the aging Carbon plant is to decommission the facility, although additional options are still be being pursued.

PacifiCorp is also developing other gas-fired facilities, including the construction of a 637-MW natural gas-fired, combined cycle plant at its Lake Side facility south of Salt Lake City. The new facility is scheduled to commence operation in the summer of 2014.
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