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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

Calpine Combined-Cycle Begins Operations

LCG, April 30, 2002--A 550 MW combined-cycle operation has come on-line ahead of schedule.

The Houston, Texas plant, owned by San Jose, California-based Calpine Corp., will sell steam and electricity to LYONDELL-CITGO Refining LP.

According to Calpine, the system, part of the LYONDELL-CITGO's Channel Energy Center, will combust natural gas in turbines that are 40 percent more efficient than older gas-fired generators. Pre-existing operations at Channel Energy Center provided 190 MW, but the recent completion of the combined-cycle project introduced an additional 360 MW.

Channel Energy Center entered operations in July of 2001 and is located along the Houston Ship Channel.

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