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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 Sells Output of Proposed Florida Plant

LCG, Oct. 18, 2000Calpine Corp. and Tampa, Fla.-based Seminole Electric Cooperative Inc. jointly announced yesterday that they had asked Florida regulators to approve a deal under which Seminole would buy power from a 540 megawatt Calpine merchant power plant proposed for Auburndale, Fla., about 35 miles east of Tampa.

Under of the terms of the planned agreement, Seminole will have access to all of the output from the Osprey Energy Center for a period of 17 years, beginning with the plant's projected commercial operation date of June 2003, with an option to renew every 5 years. Terms of the deal were not disclosed.

Calpine said the contract would support its Petition for Determination of Need, which is currently pending before the Florida Public Service Commission. Hearings on the petition are scheduled tobegin November 29.

Tim Woodbury, Seminole's vice president for strategic services, said "The agreement provides us with the pricing, the reliability of supply and the flexibility that our member systems need in Florida's dynamic and evolving electric power market."

Calpine said the Osprey plant would be built adjacent to an existing 150 megawatt Calpine plant in Auburndale. The company plans to add another 100 megawatts to that facility and also has in the works a 1,080 megawatt energy center planned for Vero Beach, Fla.

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