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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

Alliance RTO Responds to FERC Concerns

LCG, Sept. 18, 2000--The Alliance regional transmission organization, a proposed profit-making transmission company or "transco" that would operate in nine Midwest and Southeast states, on Friday responded to conditions imposed by the Federal Energy Regulatory Commission in orders issued last December and in May of this year.

The companies organizing the Alliance RTO hope to have it up and running by Dec. 15, 2001.

The filing made with FERC on Friday, according to Alliance, eliminates multiple transmission access charges, which are sometimes called "rate pancaking." The proposed rate design would apply one standard transmission rate for all transactions that deliver power inside the Alliance RTO, and another standard rate for all transactions that deliver power outside or through the Alliance RTO.

"The proposed rate design accommodates the various state retail competition programs in which the Alliance transmission owners must participate, minimizes cost shifts among companies and customer classes, introduces a framework that will support a viable transmission business and establishes a level playing field for generators which should facilitate a broad regional market," Alliance said in a news release.

The filing also includes a pro-forma inter-RTO coordination agreement that addresses seams issues, including security coordination, market monitoring, regional planning, pricing reciprocity andtransmission capability calculations, the statement said.

The companies seeking to form the Alliance RTO are American Electric Power Co., Consumers Energy Co., Detroit Edison Co., First Energy Corp. and Virginia Electric & Power Co. Together they own 43,300 miles of transmission lines over 124,000 square miles in nine contiguous states: Ohio, Pennsylvania, Virginia, West Virginia, Michigan, Indiana, North Carolina, Kentucky and Tennessee.

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