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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

California Energy Commission Approves Calpine's 600-MW Russell City Energy Center

LCG, September 27, 2007--The California Energy Commission (CEC) yesterday approved a 600-MW power plant project, known as the Russell City Energy Center, proposed by Calpine Corporation (Calpine). The natural gas-fired project was proposed back in 2001, but California's energy crisis and Calpine's subsequent financial challenges put the project on hold.

Today the project is owned by Calpine and co-investor GE Energy Financial Services, which has a 35 percent interest in the facility. A ten-year, power purchase agreement (PPA) for the full output from the plant is now in place with Pacific Gas and Electric Company (PG&E). Construction is scheduled to start next spring, with commercial operations expected in mid-2010.

The Russell City Energy Center will be built on an 18.8-acre site near the City of Hayward's recycled water treatment facility and will use recycled water.

The project will add a significant quantity of generating capacity to meet the growing demand for electricity in California.




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