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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

Federal Judge Orders NRG to Keep Supplying CL&P

LCG, July 1, 2003U.S. District Judge Richard Casey denied NRGs motion to cease providing electricity to Connecticut Light and Power.

Northeast Utilities Connecticut Light & Power currently gets 45 percent of its power from NRG.

NRG, part of bankrupt Xcel Energy Incorporated, notified CL&P that it would stop providing electricity to the utility because the company said it lost $500,000 per day by doing so. The three year contract between the company and utility is valid until the last day of this year.

CL&P asked the Federal Energy Regulatory Commission to prevent NRG from ending its contract with the utility, and FERC initially ordered the contract to be upheld until a decision could be made.

While the court responsible for NRGs Chapter 11 filing has found that NRG could exit its contract, FERC again forced the company to uphold service to CL&P last week. NRG tried to stop FERCs order by going to the U.S. District Court of Manhattan, where Judge Casey ruled that, according to the Federal Power Act, only the federal Court of Appeals could upend FERCs decision.

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