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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

Gadsby Plant in Utah to Expand

LCG, Feb. 6, 2002--Growing demand for power in Utah caused the Utah Public Service Commission to approve an expansion of the Gadsby Power Plant, close to Salt Lake City.

Utah Power plans to begin work next week on an $80 million, 120-megawatt expansion of the gas-fired plant. The company wants to have the upgrade completed by summer, when demand should hit its annual peak.

The expansion of the existing plant was seen as the best way to avoid wholesale power price surges on the open market, and approved by Utah's Committee of Consumer Services as well as the Division of Public Utilities.

The PSC chairman, Stephen Mecham, noted that the cost of building the expansion is not guaranteed to be repaid through customer bills. He said, "when they go to recover the costs in a future rate case the company will have to show the costs it incurred were reasonable."
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