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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

WPS Resources Moves Ahead With New Coal Plant

LCG, October 26, 2004--Wisconsin Public Service Corporation, a subsidiary of WPS Resources, stepped forward into the construction phase with the groundbreaking for the new Weston 4 coal-fired facility near Wausau. The Public Service Commission of Wisconsin (PSCW) just approved the 500-MW expansion on September 23, 2004. The project was announced two years ago and submitted to the PSCW a year ago. The new unit is the first project approved by the PSCW under a new law designed to streamline the approval process.

The new unit at Weston is planned to commence operations in 2008 and has an estimated cost of $752 million. The three, existing units at the station have a combined capacity of 510 MW. The new unit will use low-sulfur coal and state-of-the-art technologies.

The Weston project is another indication of the positive progress being made in a number of regions with the development of new, coal-fired power plants.

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